| HS Code | 708512 |
| Density | 1.37 g/cm³ |
| Mold Shrinkage | 0.3 % |
| Water Absorption 24 Hr | 0.4 % |
| Tensile Strength | 200 MPa |
| Tensile Modulus | 10.0 GPa |
| Flexural Strength | 280 MPa |
| Flexural Modulus | 8.0 GPa |
| Notched Izod Impact | 120 J/m |
| Heat Deflection Temperature 1 82 Mpa | 210 °C |
| Glass Transition Temperature | 125 °C |
| Flame Rating Ul94 | HB |
| Dielectric Strength | 20 kV/mm |
As an accredited Encom Polymers EnLon PX30GF Amorphous Nylon, 30% Glass Filled factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in 25 kg sealed polyethylene-lined paper bags, clearly labeled with product name, lot number, and safety handling instructions. |
| Container Loading (20′ FCL) | EnLon PX30GF nylon, 30% glass filled, loaded on pallets in 20′ FCL, securely strapped and protected for safe transit. |
| Shipping | EnLon PX30GF amorphous nylon with 30% glass fill ships in sealed, moisture-barrier bags or fiber drums to prevent hydration. Properly labeled as non-hazardous under most transport regulations, it requires dry, ventilated storage away from incompatible materials. Handle with standard PPE; avoid inhaling resin dust during loading, unloading, or processing. |
| Storage | Store EnLon PX30GF Amorphous Nylon in its original, tightly sealed container in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and moisture. Avoid exposure to UV radiation and strong oxidizing agents. Reseal promptly after use; dry before processing if condensation occurs. Follow all safety data sheet guidelines. |
| Shelf Life | Store in original sealed container, cool and dry. Shelf life is typically two years from manufacture date. |
Typical supplier data for amorphous polyamide compounds with a fixed 30 wt% glass fiber loading indicate a tensile modulus between 7.5 GPa and 9.0 GPa when tested to ISO 527-2:2012 and a notched Izod impact value between 7 kJ/m² and 10 kJ/m² at 23°C under ISO 180. Drying to a residual moisture content below 0.10% is mandatory before melt processing; at ambient relative humidity above 60%, a desiccant dryer operating at 80°C with a dew point of -40°C or lower for 4–6 h prevents hydrolysis of the amide linkages. Because the 30% glass fiber content is fixed in EnLon PX30GF, downstream formulators adjust process variables—melt temperature, mold temperature, regrind ratio, and gate geometry—rather than the filler loading itself. The following scenarios are restricted to applications already established for amorphous nylon grades with 30% glass reinforcement in industrial production.
Underhood connector housings manufactured from EnLon PX30GF are exposed to thermal gradients from -40°C to 125°C during vehicle operation and to zinc chloride splash from road deicing salts. Compliance verification for this application class references SAE/USCAR-2 performance requirements for automotive electrical connection systems, including mechanical shock and thermal shock cycling between -40°C and 125°C as defined in the specification. Flame resistance of the base grade is generally limited to UL 94 HB at 0.75 mm; processors must not assume UL 94 V-2 or V-0 performance without receiving a supplier certification for the specific lot. The formulation addition ratio for production parts is 100% virgin compound for first-shot components, with a maximum of 20 wt% internally generated sprues and runners introduced as regrind when the regrind is dried to 0.10% moisture or below and has undergone no more than one thermal cycle. The downstream process typically uses a reciprocating-screw injection molding machine with a screw L/D of 20:1, barrel temperatures from 260°C to 285°C, mold temperature 80–100°C, and holding pressure 60–80 MPa; injection speed is set at 80–120 mm/s to fill thin latch arms without short shots. Terminal product types include engine-control-module connector faces, transmission sensor housings, and underhood junction-box retainers.
Within AC charging stations, internal brackets and cable-retention structures are not primary insulation barriers, but their dimensional stability influences creepage and clearance distances measured under IEC 60664-1:2020 clause 5.3.2 for pollution degree 2. A moisture absorption of 0.5–0.8% after 24 h immersion per ISO 62:2008 can produce a linear dimensional change of 0.1–0.3%; therefore, post-mold conditioning at 23°C and 50% RH for 48 h is often specified before final gauge verification. The compound's comparative tracking index, when certified by the supplier under IEC 60112:2003+AMD1:2009, is typically reported at 600 V for similar amorphous polyamide grades, but each production lot must be verified because glass fiber surfacing can lower tracking resistance. Published multi-year hygrothermal aging data for this exact grade in charging station environments is limited; therefore, end-use qualification must include temperature-humidity cycling at 85°C/85% RH for at least 1000 h according to the equipment manufacturer's verification plan. The formulation addition ratio for bracket production should not exceed 15 wt% regrind, and regrind must not be used in components that are located closer than 3 mm to uninsulated live parts. The downstream process involves injection molding in a 120–180 t clamp force machine with a 25 mm diameter screw and a shot size controlled to 30–60% of barrel capacity; a sequential valve-gated hot runner is preferred because glass fiber converging at weld lines can create a localized drop in tensile strength of 30–40% compared with the bulk matrix. Terminal product types include wall-box internal mounting frames, cable strain-relief brackets, and AC connector back shells.
Municipal water metering bodies and flow-sensor housings operate under continuous moisture ingress, chlorinated water exposure, and hydrostatic pressures up to 16 bar. The relevant compliance standards are NSF/ANSI 61 for potable water contact, WRAS approval for the United Kingdom market, and ACS certification in France; a compound that lacks these certifications should not be substituted into potable water service without a full leachate study under the applicable national code. The formulation addition ratio for certified water-contact parts is typically 100% approved virgin compound, because reprocessed amorphous nylon can contain thermally degraded oligomers that alter extractable levels; where certification permits, regrind is limited to 10 wt% and must be generated from the same certified lot. The downstream production process uses a low-shear screw geometry, barrel temperature set points of 250–270°C, and a mold temperature of 80–110°C to reduce internal stress in thick wall sections of 4–8 mm; post-mold annealing at 90°C for 2–4 h is sometimes required to stabilize dimensions before installation of metallic inserts. Hydrolysis accelerates above 60°C continuous water service, and published long-term pressure-life data for this specific compound under hot chlorinated water is limited. Terminal products include water meter register covers, ultrasonic flow-sensor bodies, and pump volute inserts.
When drop-impact requirements govern a power tool housing program, the acceptable regrind fraction is no longer controlled by melt viscosity alone but by notch sensitivity after fiber fracture. The relevant standards are IEC 62841-1:2014 for motor-operated hand-held tools and UL 746C for polymeric materials in electrical equipment. A 30 wt% glass fiber loading reduces notched impact strength compared with unfilled amorphous nylon; therefore, any regrind addition magnifies fiber-length reduction and notch sensitivity. The formulation addition ratio for impact-critical housings is 100% virgin compound, with regrind tolerated only at 5–10 wt% in non-impact bosses and rib feet after measuring notched Izod on molded plaques per ISO 180; if the notched Izod falls below 8 kJ/m² at 23°C, the regrind proportion must be reduced. The downstream production process uses a 160–220 t injection molding machine with a shut-off nozzle to prevent drool, barrel temperatures from 265°C at the hopper to 285°C at the nozzle, and mold temperature 85–95°C; gas counterpressure at 0.5–1.0 MPa is sometimes applied to reduce splay on textured surfaces. Terminal products include orbital sander motor housings, rotary hammer gearcase covers, and cordless battery pack structural frames.
Surface disinfection cycles in clinical diagnostic equipment expose large exterior panels to 70% isopropanol, 0.5% sodium hypochlorite, and quaternary ammonium compounds under hospital hygiene protocols. The applicable standards are IEC 60601-1:2005/AMD2:2020 for medical electrical equipment and ISO 10993-5 for cytotoxicity when the housing can be touched by operators but is not a patient-contact device. The material is processed at 100% virgin compound to avoid surface streaks and discoloration on high-gloss textured parts; if color masterbatch is added, the let-down ratio is held at 2.0 wt% maximum and the carrier resin must be an amorphous polyamide compatible with the matrix. The downstream process uses a mold temperature of 90–110°C and slow to medium injection speeds of 40–70 mm/s to minimize flow marks on large flat panels; a desiccant dryer with a dew point of -40°C and a drying time of 4–6 h at 80°C is required before molding. Terminal products include diagnostic analyzer front bezels, ultrasound system chassis frames, and laboratory automation deck panels.
For pneumatic valve manifold bases, the primary failure mode is not mechanical overload but dimensional drift caused by water absorption, pressure cycling, and retained stress from injection molding. The relevant system standard is ISO 4414:2010 for pneumatic fluid power, and material dimensional stability is evaluated by ISO 62:2008 water absorption and ISO 294-4:2018 shrinkage. Water absorption at saturation can reach 4–6% for unmodified polyamide and causes dimensional growth; for amorphous 30% glass-filled grades, the practical dimensional change is lower but must still be compensated in valve plate flatness tolerances of 0.05 mm across 100 mm. The formulation addition ratio is 100% virgin in manifold blocks, because regrind can introduce porosity that becomes leak paths at 10 bar operating pressure; where non-pressure covers are molded, up to 20 wt% regrind is acceptable if vacuum-dried at 80°C for 4 h. The downstream process uses a two-stage injection profile with fast initial fill at 100 mm/s and reduced pack velocity at 30 mm/s to prevent overpacking near the valve seat areas; mold temperatures are held at 80–100°C and the tool is fitted with conformal cooling channels in the manifold plate. Terminal products include pneumatic solenoid valve bases, distribution plates for modular valve stations, and compressed-air filter housings.
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Encom Polymers EnLon PX30GF is a glass fiber–reinforced amorphous nylon product with a nominal glass loading of 30% by weight. The product is supplied as a pre-compounded pellet for injection molding and extrusion applications in which measured mold shrinkage below 0.4% and post-mold warp below 0.2 mm on a 100 mm span are common dimensional capability requirements. The amorphous nylon matrix does not form the same semi-crystalline morphology as PA66 or PA6 during cooling; therefore, EnLon PX30GF is specified where the crystallinity-induced shrinkage anisotropy of a semicrystalline 30% glass-filled polyamide would create excessive part distortion or dimensional variability. The model designation PX30GF identifies the polymer family, the 30% glass fiber reinforcement level, and the glass-reinforced formulation. Type-specific physical, mechanical, and thermal specifications are contained in the supplier’s product data sheet and certificate of analysis. The ranges presented below are class-typical values for 30% glass-filled amorphous nylon and must not be interpreted as lot-specific guarantees.
Under capillary rheometry conducted per ISO 11443:2014, a 30% glass-filled amorphous nylon typically exhibits shear-thinning flow behavior with a viscosity reduction of approximately 25% to 40% between shear rates of 100 s⁻¹ and 1000 s⁻¹ at melt temperatures near 280°C. The absence of a crystalline melting point means barrel temperature settings are referenced to the glass transition and to shear heating rather than to a 260°C Tm. In PA66-GF30, the crystalline melting endotherm near 260°C requires careful rear-zone temperature management to prevent melt inhomogeneity. By contrast, amorphous nylon grades soften progressively above the glass transition temperature, which for this class commonly falls between 125°C and 150°C. Thermal analysis under ASTM D3418-21 shows a distinct Tg shift but no significant melting endotherm, whereas PA66-GF30 produces a reproducible Tm near 260°C. Operators should not reduce rear-zone temperatures excessively simply because no crystalline melting peak is observed; fiber attrition and melt-temperature override in the screw remain process limits.
The amorphous morphology also influences holding pressure and screw recovery settings. Because solidification occurs through a glass transition rather than through spherulitic crystal growth, pack-and-hold time can often be reduced relative to PA66-GF30 for the same wall section. On a 30 mm diameter, 22:1 L/D injection screw, screw speed should be limited to 60 rpm to 120 rpm to avoid excessive glass fiber breakage. Backpressure from 0.3 MPa to 0.8 MPa is typically sufficient to maintain a homogeneous melt and prevent unmelted pellets from reaching the check ring. Higher backpressure values generate excessive shear heating and can push the actual melt temperature above the degradation threshold of the amorphous matrix.
For 30% glass-filled polyamides, moisture removal is critical because the polymer backbone hydrolyzes at melt processing temperatures when free moisture exceeds thermodynamic limits. Desiccant drying at a dew point no higher than −40°C and a bed temperature between 80°C and 100°C for 4 to 6 h typically reduces residual moisture below 0.15 wt%. At ambient relative humidity above 60%, material removed from the drying hopper should be consumed within 30 to 60 min; exposed regrind should be redried before processing. Screw wear in glass-filled nylon concentrates on the check ring, screw tip, and barrel feed section. Processing on a 20:1 L/D single-screw injection machine with a nitrided steel screw may require screw-tip replacement after roughly 20,000 to 40,000 cycles depending on shot size and backpressure. Bimetallic barrels and hardened screw flights are more appropriate for sustained production because glass fiber scoring of the feed-throat and screw root accelerates the introduction of iron wear particles into the melt.
Production trials of EnLon PX30GF on a 150-ton hydraulic injection molding machine with a 30 mm diameter screw and a 22:1 L/D barrel produced rotor housings with mold shrinkage of 0.25% to 0.35% in the machine direction and 0.30% to 0.40% across the flow direction, as measured after 24 h at 23°C and 50% relative humidity under ASTM D955-08. The tool used two direct edge gates and a cold runner. Dimensional capability improved when packing pressure was held at 55 MPa to 75 MPa and hold time was set between 4 s and 6 s for a 3 mm nominal wall thickness. These ranges are not product certification values but illustrate the interaction between gate location, fiber orientation, and amorphous matrix solidification.
At moisture levels between 0.15 wt% and 0.30 wt%, the immediate effect in an amorphous nylon 30% glass compound is surface splay distributed along flow fronts and weld lines. The severity increases with hot-runner manifold temperature because hydrolysis reduces molecular weight and lowers melt viscosity, resulting in flashing at normal clamp force settings. Melt flow rate measured under ISO 1133-1:2022 may shift upward by more than 30% relative to properly dried resin when moisture-induced chain scission is progressive. If moisture rises above 0.30 wt%, tensile strength measured under ASTM D638-14 can drop more than 20% due to polymer backbone cleavage; this is a known failure mechanism for polyamides processed without adequate drying. The processing window narrows further when regrind is added at more than 30% by weight, because fiber length degradation and moisture pickup in regrind alter melt elasticity and reduce weld-line strength. Processors should reject any material lot that has been exposed to ambient air for more than 2 h without desiccant-bed coverage in a humid plant environment.
Mechanical evaluations of glass-filled thermoplastics are sensitive to specimen preparation. Injection-molded ISO 527-2:2012 Type 1A specimens with end gates orient fibers predominantly along the flow axis and yield higher tensile modulus and lower transverse tensile strength than the same material measured on ASTM D638-14 injection-molded specimens with a larger gauge width. The following table records class-typical property windows for 30% glass-filled amorphous nylon, PA66-GF30, and PBT-GF30 after conditioning at 23°C and 50% relative humidity for 48 h. Actual lot values for EnLon PX30GF must be taken from the supplier’s certificate of analysis.
| Property | Test method | EnLon PX30GF class typical | PA66-GF30 class typical | PBT-GF30 class typical |
|---|---|---|---|---|
| Specific gravity | ISO 1183-1:2019 | 1.35–1.45 | 1.37–1.46 | 1.50–1.55 |
| Tensile strength at break | ISO 527-2:2012 | 130–170 MPa | 140–190 MPa | 120–160 MPa |
| Tensile modulus | ISO 527-2:2012 | 8,000–10,500 MPa | 7,500–11,000 MPa | 7,000–10,000 MPa |
| Flexural strength | ASTM D790-17 | 200–260 MPa | 220–280 MPa | 180–240 MPa |
| Flexural modulus | ASTM D790-17 | 7,800–10,000 MPa | 8,000–11,000 MPa | 6,500–9,000 MPa |
| Notched Izod impact at 23°C | ASTM D256-10(2018) | 70–130 J/m | 80–140 J/m | 60–120 J/m |
| Heat deflection temperature at 1.82 MPa | ASTM D648-18 | 130–185°C | 220–250°C | 195–215°C |
| Mold shrinkage, parallel direction | ASTM D955-08 | 0.2–0.4% | 0.4–0.7% | 0.4–0.7% |
| Coefficient of linear thermal expansion, parallel | ISO 11359-2:1999 | 2.0–3.5 ×10⁻⁵ /K | 2.5–4.5 ×10⁻⁵ /K | 3.0–5.0 ×10⁻⁵ /K |
The most operationally significant distinction in the table is the lower parallel mold shrinkage of amorphous nylon relative to PA66-GF30 and PBT-GF30. This difference reduces cavity-to-cavity shrinkage variation in multi-cavity tools and improves roundness retention in thin-walled cylindrical components. The lower heat deflection temperature relative to PA66-GF30 means EnLon PX30GF must not be used as a drop-in replacement for PA66-GF30 in continuous-use structural applications above 150°C without verification by heat aging under ISO 527-2:2012 tensile retention protocols.
Multi-cavity hot-runner tools for glass-filled amorphous nylon usually require manifold temperatures 10°C to 30°C above the nozzle setting to maintain steady pressure drop; however, excessive manifold temperature promotes thermal degradation. Recommended melt temperatures for 30% glass-filled amorphous nylon are typically between 270°C and 300°C, measured at the nozzle, with mold temperatures between 65°C and 110°C. Published data specific to EnLon PX30GF under hot-runner sequential valve gating is limited. Cold-runner systems with full-round runners of at least 4 mm diameter reduce shear heating and fiber breakage. Runner diameters below 3 mm can raise pressure drop beyond the clamping compensation available on smaller machines. Gate dimensions for wall thickness 2.5 mm to 4.0 mm are usually 0.8 mm to 1.2 mm land length and 1.5 mm to 2.0 mm gate width for edge gates. Tunnel gates should be avoided where gate vestige and glass fiber scoring of the mold steel are unacceptable.
Typical applications evaluated for EnLon PX30GF include automotive sensor housings, industrial electrical connectors, precision pump wear rings, structural brackets in analytical instruments, and appliance components requiring low warpage after humidity cycling. When painting is required, amorphous nylons generally show higher surface roughness after chemical etching, but solvent-based primer selection must be confirmed by cross-cut adhesion testing under ISO 2409:2020. Chemical compatibility boundaries follow class-level amorphous nylon behavior. Resistance to hydrocarbon oils, aliphatic solvents, and dilute neutral solutions is generally consistent with polyamide chemistry; however, exposure to strong mineral acids, acetic acid, and boiling water can reduce tensile strength. For applications involving automotive coolant at 90°C or higher, ASTM D543-21 immersion testing is required before release, because glycol-water mixtures at elevated temperature can cause hydrolysis and surface stress cracking in glass-filled amorphous nylon. Published data for EnLon PX30GF in aggressive biodiesel and diesel exhaust fluid environments is limited at the time of writing.
