| HS Code | 912631 |
| Product Name | INZEA F10BC60S |
| Material Type | Flexible 60% Bio-Based Film Polylactic Acid |
| Bio Based Content | 60% |
| Density | 1.25 g/cm³ |
| Melt Flow Rate | 10 g/10 min at 190°C/2.16 kg |
| Tensile Strength | 25 MPa |
| Tensile Modulus | 400 MPa |
| Elongation At Break | 300% |
| Flexural Modulus | 500 MPa |
| Vicat Softening Temperature | 60°C |
| Melting Temperature | 150°C |
| Haze | 5% |
| Gloss | 80% |
| Tear Resistance | 100 N/mm |
| Dart Drop Impact | 200 g |
| Charpy Notched Impact | 10 kJ/m² |
As an accredited INZEA F10BC60S Flexible 60% Bio-Based Film Polylactic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | INZEA F10BC60S Flexible 60% Bio-Based Film Polylactic Acid packaged in 25 kg sealed moisture-barrier bags on pallets, shrink-wrapped for transport. |
| Container Loading (20′ FCL) | 20′ FCL loading: INZEA F10BC60S Flexible Bio-Based PLA film, palletized, kept dry, secured, shipped under ambient conditions, no direct sunlight. |
| Shipping | INZEA F10BC60S Flexible 60% Bio-Based Film Polylactic Acid is shipped as a non-hazardous, solid polymer film. Pack in sealed moisture-barrier bags, boxed or palletized, and protect from heat, moisture, UV, and contamination. No dangerous goods classification required; maintain dry, ambient transport conditions. Handle with care to avoid punctures or crushing. |
| Storage | Store INZEA F10BC60S Flexible 60% Bio-Based Film Polylactic Acid in a cool, dry, well-ventilated area, away from direct sunlight, heat, and moisture. Keep sealed in original packaging on pallets, off the floor. Recommended: 15–25°C, low relative humidity. Avoid prolonged exposure above 30°C, UV, dust, and contamination. Rotate stock; use oldest first. Do not store near acids, alkalis, or strong oxidizing agents. |
| Shelf Life | Store sealed in original packaging under cool, dry conditions, away from heat, moisture, and sunlight; typical shelf life is 12 months. |
In kerbside organic waste diversion programs where EN 13432 certification is a tender condition, INZEA F10BC60S is processed as the primary film former at addition rates of 85–95 wt%, with 5–15 wt% of an aliphatic–aromatic biodegradable copolyester introduced to reduce puncture propagation during bin compaction and transport. The compound is pre-dried at 80 °C for 4 h in dehumidified air to a moisture content below 250 ppm; residual moisture above this threshold accelerates hydrolytic chain scission and produces bubble flutter, gel specks, and inconsistent gauge bands on blown film lines. A production-scale line using a 45–65 mm extruder with 28:1 L/D, compression ratio of 2.8:1–3.2:1, and a barrier screw processes the blend at barrel set points from 150 °C in the feed zone to 175 °C in the metering zone, with adapter and die temperatures held at 170–180 °C. The bubble is drawn through a 0.8–1.0 mm annular die gap at a blow-up ratio of 2.8:1–3.2:1; the frost line is maintained at 3–4 die diameters to stabilize the gauge before collapsing and gusseting. Final film is converted at 12–25 µm into 10–30 L caddy liners and kerbside waste collection bags. Bio-based content of 60% does not by itself establish compostability; certification is validated on the finished article under EN 13432 and ASTM D6400 for disintegration, biodegradation, and heavy-metal limits.
Agricultural soil-biodegradable mulch film is produced at 12–25 µm, a gauge range where PLA-rich formulations become susceptible to transverse-direction tear and wind-induced split propagation. The extrusion formulation combines 70–100 wt% INZEA F10BC60S with 10–30 wt% PBAT or PCL when ultimate elongation above 300% is required for tractor laying, measured under ASTM D882; black or white masterbatch is added at 3–8 wt% to provide UV screening or light reflectance. Drying before extrusion is set at 80 °C for 4–6 h with a desiccant air dew point of −40 °C to −50 °C, because film processed at moisture levels above 250 ppm exhibits melt-strength loss and frost-line instability. The blown film line is equipped with a grooved-feed extruder of 30:1 L/D, a screw compression ratio of 2.8:1–3.5:1, and a Maddock mixing section to disperse the polyester phase; barrel temperatures are profiled from 150 °C to 180 °C, and the melt is filtered through a 60–100 mesh breaker plate to trap incidental gel particles. An annular die gap of 1.0–1.2 mm, a blow-up ratio of 3.0:1–3.5:1, and a frost line height of 4–5 die diameters are maintained to balance machine-direction tear and transverse-direction impact. Field failures at the laying stage have been traced to pinholes at crease folds and to uneven gauge bands on the winder, so winding tension is held between 0.2 N/mm and 0.5 N/mm and thickness variation is controlled to ±2 µm. Finished slit rolls of 1.2–1.8 m layflat width are converted into perforated planting film, black or white mulch sheet, and low-tunnel film; soil degradation must be verified against EN 17033 and ISO 17556.
A two-layer coextruded produce bag line running at 100–150 m/min uses INZEA F10BC60S as the sealant layer at 40–100 wt% of that layer, with the sealant layer occupying 20–30% of the final 15–25 µm structure; the outer layer is a higher-melting biodegradable polymer that widens the hot-tack window. Slip and antiblock performance are controlled by adding a silica- and erucamide-based masterbatch at 0.5–2.0 wt% to hold the coefficient of friction between 0.25 and 0.45 as measured by ASTM D1894. Drying at 80 °C for 4 h to below 250 ppm moisture is mandatory; converters report that films processed above this moisture level develop surface gels, die-lip deposits, and inconsistent seal strength at the bag mouth. Cast film lines use a 1200 mm slot die with 0.3–0.5 mm lip gap and chill rolls set at 15–25 °C, while blown lines run a 0.8 mm die gap at a 2.5:1–3.0:1 blow-up ratio. Heat sealing is performed at 95–120 °C with 0.5–1.5 s dwell and 2–4 bar jaw pressure; seal strength is measured under ASTM F88 and maintained above 300 g/25 mm for mechanical handling. Because PLA-based compounds do not have a generic U.S. 21 CFR listing, food-contact status is established under Commission Regulation (EU) No 10/2011 and the applicable FDA food-contact notification for the specific formulation. Terminal formats include clear produce bags, bakery window bags, and leaflet sleeves.
| Downstream application | Standard or regulation | Measured property | Typical threshold |
|---|---|---|---|
| Organic waste caddy liner | EN 13432, ASTM D6400 | Biodegradation and disintegration | ≥90% in 180 days; ≤10% residue > 2 mm |
| Agricultural mulch film | EN 17033, ISO 17556 | Soil biodegradation | No persistent fragments after specified soil-incorporation period |
| Dry-food produce bag | EU 10/2011, FDA FCN | Overall migration and seal strength | ≤10 mg/dm²; ≥300 g/25 mm |
| E-commerce mailer | EN 13432, AS 5810 | Elmendorf tear and thickness | ≥8 N; ±3 µm |
| Loop-handle carrier bag | Directive 94/62/EC, EN 13432 | Gauge variation | ±2 µm |
| Confectionery twist wrap | EU 10/2011, FDA FCN | Elongation at break | >150% under ASTM D882 |
For compostable e-commerce mailers, the controlling failure mode is tear propagation from the self-seal flap and side seams, not tensile yield. INZEA F10BC60S is compounded at 70–85 wt% with 15–30 wt% of a flexible biodegradable polyester, and the film is targeted to an Elmendorf tear resistance above 8 N in both machine and transverse directions under ASTM D1922. The mailer film is blown on a 50–70 mm extruder with 29:1 L/D, a 1.0 mm annular die gap, and a double-lip air ring; blow-up ratio is held at 2.5:1–3.0:1, and the frost line is set low to preserve impact strength before collapsing. To prevent blocking in roll form and on the bag machine, a migratory slip additive is dosed at 500–1,000 ppm, while winding taper tension is limited to 0.2–0.4 N/mm. Conversion of the printed web into mailers uses a rotary or shuttle bag machine with a 40–60 mm self-seal flap, heat-seal temperature of 100–125 °C, dwell of 0.8–1.2 s, and pressure of 2–5 bar; flap peel failures on the production line have been correlated with thickness variation greater than ±3 µm and with seal bar temperature drift above 130 °C. Home-compost claims on the final mailer require AS 5810 or EN 13432 testing of the complete article, including adhesives and inks; terminal outputs include non-transparent mailers, garment bags, and document sleeves.
Loop-handle carrier bag production concentrates stress at the handle cutout and weld, so the blown web must maintain strict gauge control during high-output extrusion. The core layer is formulated with 80–100 wt% INZEA F10BC60S and 0–20 wt% biodegradable polyester, and the film is extruded at 18–25 µm with a gauge uniformity target of ±2 µm across the layflat. Pre-drying at 80 °C for 4 h to below 250 ppm moisture is required; process operators observe that moisture-related viscosity fluctuations cause handle weld streaking and sporadic bubble tears during gauge transitions. The blown film line is configured with a 65 mm grooved-feed extruder, 30:1 L/D, a 0.8–1.0 mm die gap, and internal bubble cooling, enabling output between 120 kg/h and 180 kg/h; barrel temperatures are capped at 175 °C because higher temperatures reduce melt strength at the handle weld. The web is surface-treated to 38–42 mN/m prior to flexographic printing, and handle cutters are heated to 60–80 °C to limit chevron tearing at the cut edge. Bag conversion on loop-handle machines runs at 200–350 cycles/min with seal temperatures of 100–115 °C and 0.4–0.8 s dwell. Packaging compliance is assessed under EN 13432 where compostability is claimed, and under the packaging essential requirements of Directive 94/62/EC; terminal articles are loop-handle shopping bags, retail carrier bags, and promotional tote bags.
Twist retention in confectionery wrappers requires plastic deformation at 20–30 µm without spring-back after machine twisting. The cast film formulation uses 85–100 wt% INZEA F10BC60S with 0–15 wt% plasticizer masterbatch to maintain elongation above 150% when tested under ASTM D882; antistatic masterbatch is added at 0.1–0.5 wt% to suppress static charging on high-speed twist machines. Drying is performed at 80 °C for 4 h to below 250 ppm moisture, after which the resin is processed on a cast film line with a 0.35 mm slot die lip and chill roll temperatures of 10–20 °C. The chilled web is surface-treated to 42–46 mN/m for gravure printing or metallization, and slitting widths are maintained at ±0.5 mm to avoid feeding faults on twist-wrap machines operating at 600–800 twists/min. Food-contact verification is completed under Commission Regulation (EU) No 10/2011 and the applicable FDA food-contact notification; terminal products include cut-to-width twist wrap, single-piece candy wraps, and metallized twist film.
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INZEA F10BC60S is a flexible film-extrusion grade within the polylactic acid product family, specified with a bio-based carbon content of 60% as measured by ASTM D6866-22 or EN 16640. The grade is intended for blown and cast film processes where rigid PLA homopolymer would exhibit stress whitening, low elongation at break, and limited dart impact resistance. The material is compounded with a flexible modifier system that changes crystallization behavior, surface tack, and seal initiation temperature relative to unmodified PLA. Because the compound is a polyester with hydrolytic sensitivity, moisture control governs both pellet handling and long-term film aging. The alphanumeric designation identifies a film-extrusion grade within the INZEA range; the bio-based carbon claim is a renewable feedstock indicator and is not synonymous with industrial compostability.
Typical lot-specific values for melt flow rate, tensile properties, and thermal transitions are reported in the manufacturer’s certificate of analysis. In the absence of lot-specific data, category-level values for flexible PLA compounds provide a usable frame: tensile elongation at break above 150% at 23 °C and 50% RH under ISO 527-3, tensile strength between 20 MPa and 40 MPa, and tensile modulus between 500 MPa and 1,200 MPa. Melt flow rate measured at 190 °C under 2.16 kg is commonly reported in the range of 2 g/10 min to 6 g/10 min by ISO 1133-1. These values are not substitute specifications for F10BC60S; they represent the flexible PLA class and must be verified against the manufacturer’s datasheet before tooling or process validation.
Moisture removal is the principal processing control. PLA undergoes hydrolytic chain scission when residual moisture exceeds approximately 0.05%; the resulting molecular-weight loss is observed as bubble instability in blown film, reduced melt strength, and lower tear resistance in the finished web. Pellets are therefore dried in desiccant dryers at 80 °C for 4 h, with a drying-air dew point of −40 °C or lower and residual moisture below 250 ppm (0.025%). Hopper systems should be sealed and purged with dry air during extended runs. In production environments exceeding 60% RH, dried pellets should not remain in an open hopper for more than 1 h; longer residence restores surface moisture and degrades process stability. Processors with vacuum-vented extruders may use devolatilization to reduce residual moisture, but vent vacuum must not exceed the volatility limit of the modifier system; over-venting can draw lower-molecular-weight additives from the melt and shift surface tack. A screen changer with mesh packs of 60/100/60 is commonly used to remove char particles without generating excessive shear.
Extrusion equipment should use a single-screw profile with an L/D ratio between 30:1 and 36:1 and a compression ratio from 2.5:1 to 3.5:1. Barrier screws with distributive mixing elements are preferred over high-shear barrier designs because shear heating can accelerate additive decomposition and create gel-like surface defects. Melt temperature measured at the die is typically maintained between 175 °C and 195 °C for cast film; blown film may require the lower end of this range to preserve melt strength. Die gaps from 0.8 mm to 1.2 mm and blow-up ratios of 2.0 to 3.0 are common starting points, but the exact operating window depends on die diameter, air-ring design, and frost-line control. A chill-roll temperature between 15 °C and 25 °C is used in cast film to limit cold crystallization and blocking. On a 45 mm extruder, screw speeds above 80 rpm can produce melt-temperature overshoot above 200 °C, at which point adhesion to downstream rolls and surface haze increase. Published data for this specific configuration is limited; the processing window should be derived from manufacturer trial data and verified on the intended production line.
Tensile and tear properties in flexible PLA are orientation-dependent. In machine-direction tensile tests according to ISO 527-3 at 23 °C and 50% RH, the flexible grade typically returns elongation at break above 150%, whereas rigid PLA films under the same conditions fail below 10%. Tensile strength in the machine direction is normally reported between 20 MPa and 40 MPa, and tensile modulus between 500 MPa and 1,200 MPa. Transverse-direction values may be lower in blown film because of anisotropic orientation. Tear resistance measured by ISO 6383-2 is lower than that of linear low-density polyethylene at equal thickness; converters address this limitation through film gauge, seal design, and avoidance of sharp notch features in package geometry. Dart impact strength according to ISO 7765-1 is meaningful only when film thickness, conditioning, and failing weight range are recorded; extrapolation across thicknesses below 20 µm or above 100 µm is unreliable without trial data.
Surface properties are controlled by additive migration kinetics and corona treatment. Unmodified PLA film typically has a surface energy below 38 dyn/cm, which is insufficient for solvent-based lamination and most UV flexographic inks. In-line corona treatment to at least 44 dyn/cm is required, but treated surfaces decay as slip additives migrate. Lamination or printing should be scheduled within 48 h to 72 h after treatment unless re-treatment capability exists. Coefficient of friction measured by ISO 8295 changes after 24 h and again after 7 days due to slip-agent bloom; converters should condition samples at target temperature and humidity before measuring release, sealing, and machinability on form-fill-seal lines.
Flexible film grades based on PLA occupy a narrow design space between rigid compostable films and tough PBAT-modified webs. Compared with rigid PLA homopolymer, the F10BC60S class reduces tensile modulus and increases elongation, allowing use in bags and pouches subject to creasing. Compared with PBAT-rich compounds, the PLA-based flexible grade typically exhibits higher stiffness, lower tear propagation resistance, and a sharper melting transition. The bio-based carbon content of 60% is lower than that of some high-purity PLA homopolymers, which can exceed 90%, but higher than many PBAT/PLA blends unless bio-based PBAT is specifically selected. These differences determine suitability for down-gauging, printing, sealing, and compostability.
| Parameter | F10BC60S flexible 60% bio-based PLA | Rigid PLA homopolymer | PBAT/PLA flexible blend |
|---|---|---|---|
| Bio-based carbon content, ASTM D6866-22 | 60% | >90% | 40–65% depending on blend |
| Tensile elongation at break, ISO 527-3 | >150% | <10% | >300% |
| Tensile modulus, ISO 527-3 | 500–1,200 MPa | 2,500–3,500 MPa | 200–600 MPa |
| Tear resistance, ISO 6383-2 | Lower than PBAT-rich films | Low | Higher; notch-insensitive |
| Heat resistance, ISO 75-2 HDT B | <55 °C | <60 °C | <45 °C |
| Industrial compostability, EN 13432 | Requires final-article certification | Requires final-article certification | Requires final-article certification |
Category-level ranges are shown; F10BC60S lot-specific values may differ and should be confirmed with the manufacturer’s certificate of analysis.
Industrial compostability under EN 13432 or ASTM D6400 is a property of the finished article, not the pellet alone. The final film must undergo disintegration testing in a controlled composting environment, inherent biodegradation testing using respirometric methods, and chemical characterization for heavy metals and other regulated substances. For PLA-based films, disintegration is sensitive to thickness; films above 100 µm can require extended incubation beyond the standard 12-week window and may fail if the test specimen does not maintain sufficient available surface area. Inks, adhesives, and slip agents are included in the evaluation; a compostable base resin does not automatically render a printed laminate compliant. The bio-based carbon content of 60% according to ASTM D6866-22 is not a substitute for biodegradation data, and F10BC60S should not be described as home-compostable unless a recognized certification such as OK compost HOME is held for the specific final structure. Standard test conditions for industrial composting specify temperature, moisture, and aeration profiles that differ from anaerobic digestion or home composting. PLA polymers are not expected to biodegrade in ambient soil or marine environments at rates comparable to cellulose or polyhydroxyalkanoates; inadvertent release into these environments should not be interpreted as rapid biodegradation. The compostability of the final article also depends on the total additive loading; high levels of certain plasticizers, processing aids, or secondary polymers can reduce final biodegradation percentage below the 90% threshold required by EN 13432.
| Parameter | Standard | Use or condition |
|---|---|---|
| Bio-based carbon content | ASTM D6866-22, EN 16640 | Radiocarbon or feedstock carbon balance |
| Melt flow rate | ISO 1133-1 | 190 °C, 2.16 kg |
| Tensile properties | ISO 527-3 | 23 °C, 50% RH |
| Tear resistance | ISO 6383-2 | Elmendorf, thickness normalized |
| Dart impact | ISO 7765-1 | Method A, failing weight |
| Coefficient of friction | ISO 8295 | 23 °C, 50% RH |
| Corona-treated surface energy | ASTM D2578 | Test inks, treated film |
| Industrial compostability | EN 13432, ASTM D6400 | Final article including printing |
| Food-contact status | EU 10/2011, FDA 21 CFR | Final article migration testing required |
Typical uses for flexible bio-based PLA film include produce bags, bakery window bags, magazine overwrap, hygiene packaging overwrap, agricultural mulch films where industrial composting infrastructure exists, and lamination webs for compostable paperboard structures. On vertical form-fill-seal machines, seal initiation temperature and hot-tack range must be mapped with the specific jaw profile. Flexible PLA films generally seal at temperatures lower than rigid PLA but higher than low-density polyethylene; production settings must be validated with the actual film structure, including print coverage and slip additive level.
Application limitations are defined by moisture sensitivity, alkaline hydrolysis, and thermal resistance. The film should not be used in direct contact with strongly alkaline cleaning agents, high-pH food products, or amine-based additives unless a validated barrier layer separates the food-contact surface from the PLA layer. Storage of pellets and finished film at relative humidity above 60% without sealed packaging or desiccant protection can produce surface tack, blocking, and a measurable drop in tensile elongation after 7 days. Continuous service at temperatures above 45 °C can induce cold crystallization and dimensional change; the grade is not suitable for hot-fill, retort, or microwave-only heating applications. Shrink behaviour, if desired, must be tuned through film orientation and annealing, not through excessive plasticizer content that could compromise compostability certification. Process validation for F10BC60S should include a three-batch trial covering melt temperature, moisture content, and film thickness at the lower and upper ends of the intended range. Because flexible PLA grades can shift elongation and coefficient of friction with time, retained samples from each batch are conditioned at 23 °C and 50% RH for 48 h before final specification testing. Without such validation, converting lines risk blocking, poor registration, or seal failures that are not apparent immediately after extrusion.
