| HS Code | 592106 |
| Density | 1.24 g/cm³ |
| Melt Flow Rate 190 C 2 16 Kg | 6 g/10 min |
| Tensile Strength | 45 MPa |
| Tensile Modulus | 2100 MPa |
| Elongation At Break | 150% |
| Flexural Strength | 65 MPa |
| Flexural Modulus | 2200 MPa |
| Notched Izod Impact Strength 23 C | 25 kJ/m² |
| Notched Charpy Impact Strength 23 C | 20 kJ/m² |
| Heat Deflection Temperature 0 45 Mpa | 60°C |
| Vicat Softening Temperature | 60°C |
| Mold Shrinkage | 0.5% |
| Water Absorption 24 H | 0.5% |
| Bio Based Content | 70% |
| Processing Melt Temperature | 180-200°C |
| Mold Temperature | 20-50°C |
As an accredited Floreon Dura-Tech Durable High Impact Polylactic Acid Compound factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Floreon Dura-Tech Durable High Impact Polylactic Acid Compound supplied in 25 kg moisture-resistant paper bags, stacked on pallets. |
| Container Loading (20′ FCL) | 20′ FCL container loaded with Floreon Dura-Tech Durable High Impact Polylactic Acid Compound in 25 kg bags, palletized and shrink-wrapped. |
| Shipping | Floreon Dura-Tech Durable High Impact Polylactic Acid Compound is shipped as a non-hazardous, moisture-sensitive solid in sealed, polyethylene-lined bags or drums. Store below 40°C, away from direct sunlight and moisture. No special dangerous goods classification is typically required; follow the SDS and local regulations. |
| Storage | Store Floreon Dura-Tech Durable High Impact Polylactic Acid Compound in a cool, dry, well-ventilated area. Keep containers tightly closed and protect from moisture, direct sunlight, heat, and ignition sources. Maintain away from incompatible chemicals and dust generation. Store at ambient temperature in original packaging. Follow manufacturer’s instructions and SDS. Use first-in, first-out stock rotation; avoid prolonged storage above recommended temperatures. |
| Shelf Life | Shelf life is 12 months when stored in unopened original packaging in a cool, dry place, away from moisture and sunlight. |
On production lines producing non-flame-retardant consumer electronic enclosures, the Floreon Dura-Tech Durable High Impact Polylactic Acid Compound is loaded into an insulated desiccant hopper maintained at 80 °C with a supply-air dew point of -40 °C or lower. Drying time before first production is 4 h, and residual moisture is held below 250 ppm because melt-state hydrolysis accelerates above 210 °C, generating lactic acid, reducing molecular weight, and producing silver streaks at the gate. Peripheral equipment includes a desiccant-wheel dryer with dew-point sensor at the outlet; a reading above -30 °C indicates insufficient drying capacity or saturated desiccant. The hopper should be insulated and purged with dried air during production stops longer than 2 min. If plant ambient relative humidity exceeds 60 %, pre-dried compound is transferred by vacuum loader from a sealed silo or gaylord instead of open-air dump stations. Barrel temperatures are profiled from 170 °C in the rear zone to 195 °C at the metering zone, with nozzle temperature at 200 °C. Melt temperature measured by an immersion probe is kept between 190 °C and 210 °C. A standard general-purpose screw with L/D 20:1 to 24:1 and compression ratio 2.5:1 is recommended; high-shear barrier screws can produce local melt temperatures above 220 °C and should be avoided. Mould temperature is set between 25 °C and 40 °C, and maximum cycle-averaged mould surface temperature is limited to 50 °C to avoid post-mould shrinkage and sink over bosses. Injection speed is held at 50 mm/s to 100 mm/s, hold pressure at 50 MPa to 70 MPa, and back pressure at 0.5 MPa to 1.0 MPa. Melt pressure at the machine barrel is monitored; peak pressure above 140 MPa indicates gate freeze-off or overly restrictive runner. Cushion is held at 2 mm to 4 mm, and screw decompression is set to 2 mm to 3 mm to prevent drool at open nozzles. Mould venting is cut at 0.02 mm to 0.03 mm depth to avoid flash while allowing gas evacuation. Gates should be placed away from direct impact points, with minimum gate thickness 0.8 mm; hot-runner drops are externally heated and closed during hold time because residence time above 5 min at melt temperature produces black specks and acid odour. Finished enclosures are tested for mechanical impact under IEC 62368-1:2023 and tensile properties are verified after each lot on cold-runner plaques according to ISO 527-2. The compound is not a drop-in replacement for PC/ABS in UL 94 V-0 enclosures: impact-modified PLA typically fails vertical burn at 1.5 mm unless specifically formulated with a flame-retardant package not present in this grade. Terminal components include tablet rear covers, laptop palm rest frames, handheld scanner bodies, and display bezel retainers, typically moulded with wall thickness from 1.2 mm to 2.5 mm at cycle times from 35 s to 55 s depending on part mass and projected area.
Clip bodies and trim fasteners have part masses from 1.4 g to 3.0 g and are frequently moulded in 12-cavity to 24-cavity cold-runner tools with automatic degating. Melt temperature is kept at 185 °C to 200 °C because small-diameter runners and long flow paths increase shear heating; mould temperature is set to 30 °C or below to maintain fast cycle time and to minimise moulded-in stress. Sub-gate diameter is held between 0.6 mm and 0.8 mm, and degating is completed by mechanical punch or automatic shear at ejection. The limiting technical factor is not processing but low-temperature ductility and heat deflection. Impact-modified PLA may improve room-temperature notched Izod measured per ISO 180/A, but published data for this specific configuration at -20 °C are limited, and automotive validation requires actual part-level snap-fit insertion tests from OEM material specifications. Heat deflection under 0.45 MPa per ISO 75-2/B for generic impact-modified PLA typically remains near 55 °C; therefore clip and fastener applications are confined to interior zones below the beltline, away from direct solar loading and continuous service above 50 °C. Snap-fit retention is sensitive to creep at elevated cabin temperatures, so design rules limit fixed snap deflection to 0.8 % strain and use corner gussets rather than thickening the part. Regrind use in clip production is restricted to 10 % to 15 % by weight because reground PLA absorbs moisture more rapidly than virgin compound, and each regrind batch must be re-dried to below 250 ppm before blending. Emissions from moulded parts are screened using VDA 278:2011-10 for volatile and semi-volatile compounds when required by interior material specifications; published data for this specific impact-modified PLA compound are limited, and each OEM supply contract must establish fogging and odour limits on the final part. The compound is not recommended for engine-bay clips, exterior mirror housings, or under-hood retainers due to heat exposure and humidity. Terminal components include door panel retainers, A-, B-, and C-pillar clip housings, wiring harness clips, and seat trim fasteners.
For returnable logistics trays and collapsible tote panels, moulding is carried out with nominal wall thickness from 3 mm to 5 mm, using low-to-moderate injection speeds of 40 mm/s to 80 mm/s to avoid shear heating in thick sections. Melt temperature is maintained at 195 °C to 210 °C, mould temperature at 30 °C to 50 °C, and hold pressure is selected to fill the part without overpacking ribs, typically 40 MPa to 60 MPa. Large tools may run on hydraulic toggle machines with clamping force from 3,000 kN to 5,000 kN and shot size between 500 g and 1,000 g. Long flow lengths require multiple edge gates or sequential valve gates, and weld lines are positioned away from corner impact zones because the hinge point of returnable containers experiences repeated drop impacts. Drop performance is evaluated by vertical drop testing according to ISO 2248:2018 on loaded trays; however, published correlation data for this specific impact-modified PLA compound in returnable logistics assets are limited. Repeated industrial washing is the main process conflict. PLA undergoes hydrolytic chain scission in hot aqueous alkaline conditions, so wash water temperature is held at or below 50 °C and detergent pH is maintained between 8 and 10. Steam sterilisation above 60 °C is not recommended. Outdoor exposure is limited by UV embrittlement unless the part is co-moulded with a capstock or stored under covered logistics yards; unprotected storage exceeding 6 months under direct UV can shift notched Izod values downward. Dimensional stability after washing is checked by measuring warp and corner flatness per internal returnable asset specifications; moisture-conditioned trays are allowed to cool to room temperature before stacking to avoid stack creep. Melt flow stability across recycled-content lots is verified using ISO 1133-1:2022 at 210 °C with 2.16 kg load. Terminal products include stack-nest tote bins, divider trays, rack-mounted logistics boxes, and reusable order-picking totes.
| Sector | Melt temperature | Mould temperature | Injection speed | Drying condition before moulding |
|---|---|---|---|---|
| Consumer electronic enclosures | 190 °C–210 °C | 25 °C–40 °C | 50 mm/s–100 mm/s | 80 °C for 4 h, dew point -40 °C |
| Automotive interior clips | 185 °C–200 °C | 25 °C–30 °C | 50 mm/s–90 mm/s | 80 °C for 4 h, moisture below 250 ppm |
| Returnable logistics trays | 195 °C–210 °C | 30 °C–50 °C | 40 mm/s–80 mm/s | 80 °C for 4 h, moisture below 250 ppm |
Compact cases, lipstick sleeves, and fragrance cap outer bodies are cavity-filled through pin gates of 1.0 mm to 1.5 mm diameter, with part wall thickness between 0.8 mm and 1.2 mm. Thin-wall filling normally requires high injection speed, but impact-modified PLA exhibits shear heating and surface splay above melt temperatures of 210 °C; injection speed at the gate is therefore limited to 80 mm/s to 120 mm/s, and the number of gates is increased to reduce flow length rather than raising pressure. Mould temperature is set between 35 °C and 55 °C using water-stabilised chiller units; polished tool surfaces with roughness below 0.1 µm Ra are required for high-gloss 20° geometry. Gloss retention after drop testing is checked according to ISO 2813 before and after repeated drop cycles. The compound is screened for REACH compliance under REACH Annex XVII and packaging heavy metal limits under 94/62/EC; odour and extractables are handled under brand-specific packaging specifications rather than a universal food-contact presumption. A process conflict arises at high gloss: elevated mould temperature improves visual finish but lengthens cycle time and can induce sink over internal ribs; therefore ribs are capped at 0.6 times nominal wall and located away from the visible surface, or replaced by micro-textured surfaces to hide flow marks. Gas accumulation in polished tools must be controlled with venting at the parting line, because insufficient venting produces burn marks visible on high-gloss surfaces. Hot-runner valve gates are sequenced from the part centre outward to prevent aesthetic weld lines on visible faces. Finished parts must not be exposed to hot filling above 40 °C or to dishwasher detergent cycles. Terminal products include caps, outer collars, compact cases, and replaceable decorative shells.
Injection-moulded outer shells for shin guards, knee pads, saddle bases, and ski pole grips use wall thickness from 2.0 mm to 3.5 mm and are processed at melt temperatures from 190 °C to 205 °C. Large-radius gates or fan gates are preferred because direct edge gates create internal stress concentrations that reduce multiaxial impact energy. Mould temperature is kept low, 25 °C to 35 °C, to retain impact strength but reduces gloss; therefore matte or textured cavity surfaces are selected. Multiaxial impact resistance is measured using ISO 6603-2 at 23 °C; notched Izod is measured using ISO 180/A. Published data for this specific impact-modified PLA compound at sub-zero alpine conditions are limited, and the material is not recommended for load-bearing helmet shells or protective equipment where EN 1077 or EN 1078 certification requires controlled energy dissipation across -20 °C to 50 °C. For non-certified sports shells and leisure components, the compound can be specified where an impact-modified PLA material is approved on the part drawing, but design validation must include an environmental chamber drop at the lowest intended use temperature. Post-mould annealing is not used for impact-critical shells because annealing increases crystallinity and can reduce impact strength while improving heat resistance. Textured cavity depths of 20 µm to 30 µm are used to reduce visible flow scuffs after field use. Terminal products include shin guard outer shells, knee pad caps, bicycle saddle bases, ski pole grips, and non-certified equipment covers.
In retail display frames and point-of-sale fixture clips, production often begins with aluminium prototype tools before transferring to production steel tools. Wall thickness varies from 2 mm to 5 mm, so long hold times and controlled cooling are more important than high injection speed. Material is processed at melt temperature 190 °C to 205 °C and mould temperature 20 °C to 35 °C. Because display components must meet visual acceptance under bright retail lighting, weld lines and gate blush are suppressed by using multiple edge gates and by positioning them behind graphic overlays or along non-visible edges. Screw rotation and back pressure are kept low to reduce shear residence time; melt residence time in the barrel should not exceed 5 min during production interruptions. The compound is checked against RoHS Directive 2011/65/EU as amended by (EU) 2015/863 for lead, mercury, cadmium, hexavalent chromium, PBB, PBDE, and the four restricted phthalates, but printed inserts and metal fasteners are controlled separately. No continuous structural load is allowed because creep under sustained shelf weight can relax snap fits; brackets are designed with ribs rather than loaded snap features. Re-servicing of display parts in high-humidity retail environments requires moisture tolerance testing because repeated cleaning with mild detergent at room temperature is acceptable, but hot-water cleaning above 50 °C is not. Terminal products include display frames, sign holder clips, shelf edge strips, and modular retail fixture panels.
For outer shells and front panels of small appliances, vacuum cleaner cowls, and floor care housings, injection moulding is performed at wall thickness from 2.0 mm to 3.0 mm using melt temperatures 190 °C to 205 °C and mould temperatures 30 °C to 45 °C. Structural rib patterns follow a thickness ratio of 0.5 to 0.6 relative to the nominal wall to avoid sink and internal voids. Mechanical strength is verified by impact, drop, and creep testing under IEC 60335-1; however, the compound is not appropriate for parts mounted directly above heating elements or for components requiring glow wire ignition temperature of 750 °C per IEC 60695-2-11. Continuous service temperature is limited to 50 °C; at 60 °C under load, amorphous impact-modified PLA grades can undergo creep and dimensional distortion. Production lines report that moulding around metal inserts requires preheating inserts to 80 °C to 100 °C to prevent premature solidification at the insert wall and to reduce residual stress. Inserts with sharp internal corners should be avoided because impact-modified PLA is notch-sensitive; a minimum insert corner radius of 0.5 mm is specified where mechanical retention is required. Screw degassing is not used because the material requires closed-loop drying rather than vented-barrel devolatilisation. Weld lines in highly ribbed appliance housings are moved away from screw bosses by using slight melt temperature adjustments of 5 °C across the tool rather than raising injection speed. Terminal products include floor care cowls, handheld appliance side covers, cordless tool battery housings when used without thermal overload, and small appliance front shells.
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Floreon Dura-Tech Durable High Impact Polylactic Acid Compound is a pelletized, melt-processable polylactic acid formulation in which a dispersed impact-modifying phase is incorporated into the PLA matrix. The model designation covers injection molding, sheet extrusion, profile extrusion, and thermoforming grades intended for durable components where neat PLA notch sensitivity is unacceptable. It differs from standard polylactic acid in its failure mode: the formulation is designed to promote shear yielding ahead of a crack tip instead of brittle crack propagation. It differs from mineral-filled PLA because stiffness is deliberately reduced to gain ductility and impact resistance. The product is hygroscopic; pellets are supplied in moisture-barrier packaging and require desiccant drying before melt processing. Processing temperatures should be kept below 220 °C to limit thermal chain scission. Exact melt-flow index, notched impact strength, tensile properties, and heat deflection data must be obtained from the lot-specific certificate of analysis, because published data for this specific configuration is limited.
Moisture uptake and loss of molecular weight are the principal processing risks. Material exposed to ambient air above 60 % relative humidity should be re-dried before use. Without a controlled dryer, melt processing can produce splay, reduced melt strength, and lower impact performance that cannot be recovered by raising barrel temperature.
Neat PLA fails in a brittle manner at sharp notches because localized plastic deformation is limited and crack propagation energy is low. Impact-modified grades address this by dispersing elastomeric or reactive domains that cavitate or debond ahead of a crack tip, thereby initiating matrix shear yielding. Under ISO 180/1A at 23 °C, high-impact PLA compounds commonly show notched Izod impact values between 15 kJ/m² and 60 kJ/m², while unmodified PLA typically remains between 2.5 kJ/m² and 4.0 kJ/m². The increase is accompanied by a fall in tensile strength from approximately 60–65 MPa to 28–45 MPa and a reduction in tensile modulus from 3.0–3.5 GPa to 1.8–3.2 GPa when measured under ISO 527-2. The relationship between modifier content and impact response is non-linear. Above approximately 10 wt% modifier loading, additional impact benefit may flatten while heat resistance and stiffness continue to decline. Published data for the exact Floreon Dura-Tech formulation is limited; therefore, the ductile-brittle transition should be measured on molded plaques across the expected service temperature range.
Impact performance in PLA compounds is controlled less by absolute modifier loading than by dispersed-phase particle size and interphase adhesion. Too fine a dispersion below approximately 0.1 µm may not cavitate effectively; too coarse a dispersion above 2–5 µm reduces impact efficiency and creates surface roughness. Compatibilization is therefore a process variable. On a twin-screw extruder with 40:1 L/D, feeding liquid reactive modifiers at mid-extruder rather than at the throat can improve dispersion and reduce total thermal history. Lot-to-lot comparison should include scanning electron microscopy of cryo-fractured surfaces and notched impact testing under ISO 180/1A.
The following comparative ranges are based on published material-class data, not certified values for Floreon Dura-Tech.
| Material class | Tensile modulus, ISO 527-2 | Tensile strength, ISO 527-2 | Notched Izod, ISO 180/1A | HDT at 0.45 MPa, ISO 75-2 |
|---|---|---|---|---|
| Neat PLA | 3.0–3.5 GPa | 60–65 MPa | 2.5–4.0 kJ/m² | 50–60 °C |
| High-impact PLA compounds | 1.8–3.2 GPa | 28–45 MPa | 15–60 kJ/m² | 50–70 °C |
| ABS impact grades | 2.0–2.5 GPa | 35–45 MPa | 20–35 kJ/m² | 85–100 °C |
Qualification should use ISO 179-1 edgewise impact and ISO 180/1A notched Izod specimens conditioned at 23 °C and 50 % relative humidity for 48 h. Values for the Floreon grade may fall outside the typical high-impact PLA window depending on impact-modifier type, compatibilizer addition, and crystallinity.
Polylactic acid undergoes hydrolytic and thermal chain scission at melt temperatures above 180 °C when residual moisture is not controlled. The carbonyl ester linkages are vulnerable to hydrolysis; therefore, desiccant drying at 80 °C for 4 h with a dew point of -40 °C or lower is standard. The target pellet moisture is ≤0.010 % as measured by ISO 15512. Moisture above 0.025 % can reduce molecular weight by approximately 10–20 % during a 4 min melt residence time at 210 °C, with a corresponding reduction in notched impact of 20–40 %. Drying temperatures above 100 °C are not recommended because pellet agglomeration can occur near the glass transition. In hot-runner systems, nozzle tip temperatures should be held below 230 °C and hot-runner residence time below 5 min. On compounding lines with 40:1 L/D and vacuum venting at -0.08 MPa, residual volatiles are removed before pelletizing, but post-compounding moisture regain remains possible if packaging is opened in humid air.
In facilities where relative humidity exceeds 60 %, pre-drying time may be extended to 6 h, and machine hoppers should be purged with dry air. Batches left overnight in an unsealed feed system should be re-dried before startup because moisture adsorption is rapid at pellet surfaces.
On a 100 t clamp injection molding machine with a 28 mm diameter screw and 20:1 L/D, high-impact PLA compounds are commonly processed with barrel zone temperatures from 180 °C to 210 °C and mold temperatures of 25–40 °C. Back pressure between 0.5 MPa and 1.0 MPa is typical, with screw speed of 50–100 min–1. Short shots have been observed at nozzle temperatures below 195 °C because the compound has higher melt elasticity than neat PLA. Warpage after demolding becomes more pronounced when mold temperature exceeds 60 °C without sufficient pack-and-hold time. Hold pressure should be maintained until gate freeze; for wall sections below 2 mm, hold times of 2–4 s per millimeter of wall thickness are typical. Gate freeze is verified by part weight stability across increasing hold times.
Melt-flow index measured under ISO 1133-1 at 190 °C/2.16 kg for high-impact PLA compounds typically falls between 3 g/10 min and 10 g/10 min; at 210 °C/2.16 kg, the range is commonly 6–20 g/10 min. The exact value for Floreon Dura-Tech must be confirmed from the certificate of analysis, because melt-flow index alone does not predict shear-thinning behavior in injection molding. Capillary rheometry at 100 s–1 and 1,000 s–1 is recommended for runner and gate sizing. Shear viscosity at 1,000 s–1 and 210 °C is typically lower than ABS by 10–25 %, but melt elasticity can still produce jetting and gate blush if melt temperature exceeds 220 °C. Multi-cavity tools should be balanced by short-shot trials rather than by melt temperature alone.
Impact-modified PLA compounds are sensitive to additives that shift crystallization, melt stability, or phase adhesion. Primary and secondary amine-based additives should be avoided because they accelerate polyester chain scission through aminolysis. Excessive metal stearate release agents can interfere with impact-modifier dispersion. Compatibility of a secondary masterbatch or regrind stream should be checked by melt-flow index retention after accelerated heat aging at 60 °C for 72 h and by notched impact after damp-heat aging at 85 °C and 85 % relative humidity for 168 h using ISO 180/1A.
Heat deflection temperature under ISO 75-2 at 0.45 MPa for unannealed high-impact PLA generally falls between 50 °C and 70 °C; at 1.8 MPa, values below 60 °C are common. Post-mold annealing at 80–100 °C for 30–120 min increases crystalline fraction and can raise HDT at 0.45 MPa to 90–120 °C, but the same treatment can lower notched impact and increase brittleness. Shrinkage during annealing is measurable under ISO 294-4; values of 0.5–1.5 % are typical because cold crystallization densifies the matrix. Fixturing is required to control warpage. Continuous service under load above 65 °C is not recommended unless the material has been annealed or nucleated for crystallinity control. Mold temperature also acts as a crystallization variable: mold temperatures above 80 °C can build crystallinity during cooling, but cycle time increases and ejection may become more difficult for polished surfaces.
For electrical enclosures, appliance housings, and consumer durable shells, Floreon Dura-Tech is positioned as a replacement for ABS where ambient temperature remains below 45–55 °C and where lower fossil-carbon content, as determined by ASTM D6866, is required. Snap-fit features and bosses must be designed for lower modulus than glass-filled ABS; internal corner radii should be maintained above 0.5 mm to avoid the return of notch sensitivity at stress concentrations. The compound differs from standard PLA primarily in ductile response after notching; it differs from ABS in lower heat resistance and higher equilibrium moisture absorption when conditioned under ISO 62 at 23 °C and 50 % relative humidity, where PLA-based compounds can absorb 0.5–1.0 % moisture versus 0.2–0.4 % for ABS. Repeated assembly threads should be validated for more than 50 insertion-removal cycles because stress whitening can occur at bearing surfaces.
Compared with polypropylene copolymer, high-impact PLA typically has higher tensile modulus but lower notched impact at sub-zero temperatures and lower continuous heat resistance. In applications requiring impact resistance below 0 °C, ABS or polypropylene may be more predictable unless the specific PLA compound is formulated for low-temperature ductility. Published data for Floreon Dura-Tech at sub-zero temperatures is limited.
Compliance must be established on the specific formulation rather than assumed from the polymer base. PLA-based compounds can meet EU 2011/65/EU RoHS requirements when heavy-metal pigments are excluded from the masterbatch and when the impact-modifier package does not introduce restricted flame retardants. REACH obligations are managed through supplier full material declarations and SVHC screening rather than through the polymer name alone. Food-contact suitability requires formulation-specific migration testing under EU 10/2011 or a valid FDA food-contact notification; neat PLA status does not automatically extend to impact-modified compounds. Industrial applications in electronics and appliances should be supported by certificates of conformity test reports to IEC 62321 for restricted substances and by lot-specific REACH statements. Published data for the exact Floreon Dura-Tech formulation is limited.
In profile extrusion of durable PLA sections, the compound is run on a 30:1 L/D single-screw extruder with metering zone temperatures of 190–205 °C and die temperatures of 195–210 °C. Melt strength is lower than that of neat PLA; therefore, calibrator vacuum above 0.02 MPa can collapse unsupported cross-sections unless wall thickness is maintained above 1.5 mm. A screen pack of 60/100/60 mesh removes residual gel particles and stabilizes head pressure. At high screw speeds above 80 min–1, melt temperature should be monitored at the die because shear heating can raise temperature above the 220 °C ceiling even when barrel settings remain moderate.
