Dongguan Guojia ABS GF10~30
- Product Name: Dongguan Guojia ABS GF10~30
- Factroy Site: Yinchuan, Ningxia, China
- Price Inquiry: sales8@ascent-chem.com
- Manufacturer: Ascent Petrochem Holdings Co., Limited
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- Dongguan Guojia ABS GF10~30 is typically used in formulations when mechanical strength, stiffness, and heat resistance requirements and melt temperature, mold temperature, and drying conditions must be controlled within specific ranges.
| HS Code | 847222 |
| Productname | Dongguan Guojia ABS GF10~30 |
| Basepolymer | Acrylonitrile-butadiene-styrene copolymer (ABS) |
| Reinforcement | Glass fiber |
| Glassfibercontent | 10-30% |
| Density | 1.10-1.28 g/cm3 |
| Tensilestrength | 55-90 MPa |
| Elongationatbreak | 1-3% |
| Flexuralmodulus | 3.5-7.5 GPa |
| Notchedizodimpactstrength | 5-12 kJ/m2 |
| Heatdeflectiontemperature | 85-105 °C at 1.82 MPa |
| Moldingshrinkage | 0.2-0.6% |
| Waterabsorption | 0.1-0.3% |
| Processingmethod | Injection molding |
| Melttemperature | 210-250 °C |
| Moldtemperature | 50-80 °C |
| Color | Natural, black, or custom |
As an accredited Dongguan Guojia ABS GF10~30 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dongguan Guojia ABS GF10~30 is supplied in 25 kg moisture-proof bags, 40 bags per pallet for secure transport. |
| Container Loading (20′ FCL) | Dongguan Guojia ABS GF10~30 is packed in 25 kg bags and loaded into a 20′ FCL container for shipment. |
| Shipping | Shipping description: Dongguan Guojia ABS GF10~30, glass-fiber reinforced ABS resin, non-hazardous solid. Packed in moisture-proof bags/cartons; keep dry, cool, away from sunlight. Handle as ordinary cargo, avoid puncturing packaging and prolonged heat exposure. Not regulated for transport; refer to SDS and confirm local rules. |
| Storage | Store Dongguan Guojia ABS GF10~30 in a cool, dry, well-ventilated warehouse, away from direct sunlight, rain, heat, and ignition sources. Keep original bags sealed and palletized to prevent moisture pickup and contamination. Avoid contact with oxidizers and solvents. Store below 50 °C, protect from physical damage, use first-in, first-out rotation, and maintain clean handling areas. |
| Shelf Life | The typical shelf life is 12 months when stored sealed in a cool, dry place, away from moisture, heat, and sunlight. |
When an automotive interior door module carrier is converted from a steel stamping to a Dongguan Guojia ABS GF20 compound, the part is dried for 4 h at 80 °C in a desiccant dryer with a dew point no higher than -30 °C until residual moisture drops below 0.02 wt%. The melt is processed through a three-zone screw with L/D 22:1 and a compression ratio of 2.5:1, with barrel temperatures from 230 °C at the feed throat to 255 °C at the nozzle; mould temperature is held at 70–80 °C. Injection speed is set between 30 cm³/s and 60 cm³/s through a 2.5 mm tunnel gate, and holding pressure is maintained at 60–80 MPa for 8–10 s until gate freeze. Shrinkage measured in flow direction falls within 0.2–0.4% and transverse shrinkage within 0.4–0.6% according to ASTM D955-21; this anisotropy requires symmetrical gate placement around boss arrays to prevent sink and assembly misalignment. The addition ratio in the moulder’s formulation is 100 wt% as-supplied GF20, and regrind from sprues and runners is limited to 20 wt% to keep reverse-side boss impact within the OEM acceptance envelope when tested per ISO 180:2019. Parts are listed in IMDS, screened against GADSL, tested for interior flammability under FMVSS 302 and ISO 3795:1989, and supported by REACH 1907/2006 Article 33 communication. Terminal finished components include door panel carriers, seat side shields, centre console structural brackets, and HVAC outlet frames.
What Limits Weld-Line Strength in Glass-Fibre ABS Power Tool Housings?
Because glass-fibre orientation in complex multi-rib power tool housings creates weld lines perpendicular to impact loading, the weld-line tensile strength retention for a 30 wt% glass-fibre ABS grade is typically below 55% of the unwelded tensile value when tested according to ISO 527-2:2012; published data for this specific Dongguan Guojia formulation is limited, but the failure mode is consistently brittle fracture at the knit line rather than ductile yield. On a 1200 kN clamp force injection moulding machine with a 25 mm screw, sequential valve gating and hot-runner temperature control at 250 °C reduce the number of flow fronts meeting at high-stress bosses. The compound is dried at 80 °C for 3–4 h and processed with a barrel profile of 240–260 °C; mould temperature is set to 80 °C to permit glass fibre wetting while avoiding excessive cycle time. Melt residence time is kept below 4 min at 250 °C to limit fibre attrition in the check ring. The addition ratio for GF30 power tool housings is 100 wt% as supplied; if low-temperature impact below -20 °C is specified, a 70/30 wt% PC/ABS blend is used instead, with the PC component serving as the impact modifier. Industry compliance is evaluated under IEC 62841-1:2014 for power tool mechanical safety, UL 94 HB at 1.5 mm, and RoHS 2011/65/EU for restricted substances. Terminal finished parts include angle grinder motor housings, circular saw lower guards, cordless drill housing halves, and battery pack top shells.
Evaporator Fan Wheels, Air Guide Vanes and Blower Scrolls
Multi-cavity hot-runner tools for centrifugal blower wheels using 30 wt% glass-fibre ABS require a mould temperature of 80–90 °C to reduce differential shrinkage between the hub and blade tips; residual imbalance is controlled below balance quality grade G 6.3 as defined in ISO 1940-1:2003. The formulation addition ratio is 100 wt% GF30 for blower wheels, while closed-loop regrind from sprue and runner systems is limited to 20 wt% because rotor grinding reduces fibre length and lowers blade-tip modulus. When a lighter-duty air guide vane is moulded, a 50/50 wt% blend of GF30 and GF10 grades is used to target a nominal 20 wt% fibre content. Processing is performed on a 1500 kN injection machine with a 30 mm screw, screw speed 50–70 rpm, back pressure 0.5–1.0 MPa, and barrel temperatures from 240 °C to 260 °C. Fan performance is verified to ISO 5801:2017, and material flammability is rated UL 94 HB at 1.5 mm; REACH 1907/2006 and RoHS 2011/65/EU obligations apply to all delivered components. Terminal finished product types include axial fan blades up to 250 mm diameter, centrifugal blower wheels, and annular air guide vanes.
On high-cavitation appliance-panel tools producing dishwasher door inner frames from 20 wt% glass-fibre ABS, the primary constraint is not melt temperature but glass-fibre abrasion of gate inserts and parting-line edges, which increases flash formation after approximately 50,000 cycles if inserts are not hardened to HRC 52–56. The GF20 compound is injected at 100 wt% as supplied; where lower warpage is required, a 50/50 wt% blend of GF30 with unreinforced ABS brings nominal fibre content to 15 wt%. Drying uses a 4 h profile at 80 °C to 0.02 wt% moisture, followed by barrel heating from 230 °C to 250 °C, mould temperature 60–70 °C, injection speed 25–50 cm³/s, and holding pressure 55–75 MPa. The process is qualified under IEC 60335-1:2020 clause 30 for resistance to heat and fire, with material flammability listed as UL 94 HB at 1.5 mm; REACH 1907/2006 Article 33 and RoHS 2011/65/EU requirements are applied at the shipment level. Terminal finished components include refrigerator handle reinforcements, washing machine top frames, dishwasher door inner panels, and air conditioner front panels.
When a Portable Industrial Data Logger Housing Is Converted From Die-Cast Zinc
Converting a portable industrial data logger housing from die-cast zinc to 20 wt% glass-fibre ABS changes the failure mode from permanent deformation to flexural cracking at the sealing boss; the moulder compensates by increasing boss root radii to 1.5 mm and holding mould temperature at 75 °C to limit notch sensitivity. The component is produced on an 8-cavity hot-runner tool with a 1000 kN clamp force machine and a 22 mm screw; melt residence time is kept below 5 min at 245 °C to avoid fibre length reduction below the supplier-specific distribution threshold. 100 wt% GF20 is used for the enclosure base and cover; if a wall thickness below 2.0 mm must flow more than 150 mm, the GF10 grade is substituted to reduce flow resistance, but flexural modulus measured by ASTM D790-17 decreases accordingly. Compliance for electrical test and measurement enclosures is evaluated under IEC 61010-1:2010/AMD2:2019, with flammability at UL 94 HB and restricted substance compliance to RoHS 2011/65/EU. Terminal finished products include handheld industrial data loggers, portable gas detector housings, and panel-mount instrument enclosures.
Electrical Meter Boxes, DIN-Rail Housings and Circuit Breaker Covers
Meter box covers moulded from 20 wt% glass-fibre ABS are tested for glow-wire ignition at 650 °C under IEC 60695-2-11:2021 and are supplied only after passing a 2.5 mm wall thickness criterion; the process uses a 1300 kN injection machine with a 28 mm screw and barrel temperatures from 235 °C to 255 °C. The formulation addition ratio is 100 wt% GF20 as supplied; regrind addition is capped at 15 wt% because the glow-wire result is sensitive to glass-fibre distribution at the surface. Mould temperature is set at 70 °C, injection speed is 20–40 cm³/s, and holding pressure is 50–70 MPa for 6–9 s; the tool is vented to 0.02 mm depth to prevent burn marks at the end of fill. Empty enclosure mechanical requirements are checked against IEC 62208:2011, and material flammability is UL 94 HB at 1.5 mm; RoHS 2011/65/EU and REACH 1907/2006 apply. Terminal finished products include energy meter boxes, DIN-rail enclosures, circuit breaker covers, and terminal block shrouds.
Competitive Dongguan Guojia ABS GF10~30 prices that fit your budget—flexible terms and customized quotes for every order.
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- Dongguan Guojia ABS GF10~30 is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales8@ascent-chem.com.
Material Profile and Specification Matrix
The table below reports indicative values for commercial short-glass ABS compounds with 10, 20, and 30 mass% glass fiber. The data are not lot-specific product guarantees and must be replaced with the producer’s batch documentation for final part design. The most directionally sensitive property is notched impact strength; moving from GF10 to GF30 typically reduces impact toughness by more than 40% while increasing tensile modulus by approximately 90–100%. Weld-line locations can retain less than 50% of the unreinforced matrix tensile strength because fiber orientation across the knit line is discontinuous.
| Property | Test standard | GF10 | GF20 | GF30 |
|---|---|---|---|---|
| Density | ISO 1183-1 | 1.10–1.12 g/cm³ | 1.16–1.18 g/cm³ | 1.27–1.30 g/cm³ |
| Tensile strength at break | ISO 527-2 | 55–65 MPa | 70–80 MPa | 85–100 MPa |
| Tensile modulus | ISO 527-2 | 3.2–3.8 GPa | 4.5–5.5 GPa | 6.5–7.5 GPa |
| Flexural strength | ISO 178 | 80–100 MPa | 105–125 MPa | 130–155 MPa |
| Notched Izod impact, 23 °C | ISO 180/A | 12–16 kJ/m² | 9–13 kJ/m² | 6–9 kJ/m² |
| Heat deflection temperature, 1.82 MPa | ISO 75-2/Ae | 94–100 °C | 98–105 °C | 102–110 °C |
| Melt mass-flow rate, 220 °C, 10 kg | ISO 1133-1:2022 | 15–20 g/10 min | 8–12 g/10 min | 4–8 g/10 min |
| Mold shrinkage, parallel | ISO 294-4 | 0.3–0.5 % | 0.2–0.4 % | 0.1–0.3 % |
The property envelope demonstrates a direct processing and design trade-off. Increasing glass fiber from 10 to 30 mass% raises tensile modulus by nearly twofold while reducing melt flow by 60–70%. This affects minimum wall thickness, gate geometry, pack pressure, and fiber length retention. Conditioning and moisture state also influence results; ISO 291 conditioning at 23 °C and 50 % relative humidity can shift notched impact values by several kJ/m² compared with dry-as-molded specimens.
What Limits Melt Flow and Warpage at 30 wt% Reinforcement?
At 30 mass% glass fiber, the dominant process limitation is not barrel temperature but shear heating and fiber-length preservation. The apparent melt viscosity under injection molding shear rates can be 2–3 times higher than the GF10 grade, raising injection pressure requirements to 80–120 MPa on many production molds. Capillary rheometry under ISO 11443 shows shear-thinning behavior, but the reinforcement network increases low-shear viscosity disproportionately. This reduces knit-line filling and can produce exposed glass at the part surface. Production-scale observations on 80–120 ton hydraulic injection molding machines indicate that gate diameters below 1.5 mm or flow length-to-thickness ratios above 150:1 can produce short shots, burn marks, or surface delamination when melt temperature is kept below 260 °C. Direct-edge gates sized at 60–80% of the nominal wall thickness are preferred over small submarine gates, and hot-runner channels should have flow diameters above 6 mm to limit pressure loss.
Warpage in GF30 arises from anisotropic shrinkage generated by glass fiber orientation. Simulation inputs based on ISO 294-4 shrinkage measurements typically show flow-direction shrinkage of 0.1–0.3% and transverse shrinkage of 0.4–0.6%, creating a differential of 0.2–0.5 percentage points. On a rectangular housing wall 400 mm long, that differential can produce out-of-plane deflection of 2–4 mm if hold pressure is terminated before gate freeze. Warpage mitigation requires multiple gates to shorten flow paths, mold temperature of 60–80 °C, extended hold pressure, and gradual wall-thickness transitions. Weld lines remain the most severe structural defect; they should be placed away from load-bearing features or managed with overflow tabs.
Pre-drying of Dongguan Guojia ABS GF10~30 is mandatory when granulate has been exposed to ambient humidity. The residual moisture target before melt processing is below 0.02 mass% (200 ppm). A desiccant dryer with a dew point of -30 to -40 °C and inlet air temperature of 80 °C for 3–4 h is the standard drying procedure. Residence times above 90 °C should be avoided because the styrene-acrylonitrile phase can yellow. Drying hoppers must be cleaned between black and natural grades to prevent glass fiber cross-contamination. On the injection molding machine, a general-purpose screw with compression ratio of 2.0–2.5:1 and a check ring free-flow area not less than 80% of the screw channel is acceptable for short runs, but hardened screw and barrel surfaces are required after 300–500 tonnes of glass-filled production to maintain shot-weight consistency. Cylinder set points from 230–260 °C are used, with the nozzle 5–10 °C lower to reduce drool. Holding pressure of 50–70% of peak injection pressure is maintained until gate freeze. Switch-over at 95–99% fill is typical for degassing, but fiber-rich surfaces may require switch-over at 90–95% fill to limit shear-induced fiber breakage and surface splay.When Unfilled ABS or Long-Glass Polyolefins Fit the Specification Better
Relative to unfilled ABS, the GF10~30 family provides higher tensile strength and modulus, lower mold shrinkage, higher heat deflection temperature, and lower thermal expansion. The penalty appears in impact toughness, surface aesthetics, and melt flow. Unfilled ABS commonly shows unnotched Charpy impact values above 60 kJ/m² under ISO 179-1/1eU, while GF30 typically falls below 30 kJ/m². This difference is decisive for clips, snap-fits, and bosses subjected to high strain. When a part requires tight surface appearance with minimal glass streaks, unfilled ABS or ABS/PC may be selected because the glass reinforcement raises surface roughness and can produce visible fiber orientation at the gate.
Compared with long-glass polypropylene, Dongguan Guojia ABS GF10~30 tends to offer higher heat deflection temperature and better dimensional precision, but lower repeated-impact resistance, especially below 0 °C. Long-glass PP with 30 mass% fiber can retain notched Izod values above 20 kJ/m² at 23 °C, while GF30 ABS typically remains below 10 kJ/m². Long-glass PP is therefore preferred for large under-hood or outdoor energy-management parts, while short-glass ABS is preferred for precise housing structures, electrical enclosure bases, appliance frames, fan shrouds, and automotive interior brackets. Within the family, GF10 is suited to moderate-stiffness structural parts requiring better toughness; GF20 is the compromise for stiffness and processability; GF30 is restricted to stiff frames and brackets where weld-line strength is controlled and melt flow is sufficient.
Compared with glass-filled PC/ABS, the ABS GF grades generally show lower Vicat softening temperature and lower multi-axial impact resistance. Vicat softening temperature for GF30 ABS is commonly 105–115 °C under ISO 306 Method B50, while glass-filled PC/ABS grades often fall between 125 and 140 °C. The ABS GF family is selected where moderate heat resistance, lower cost, and faster injection cycles are more important than elevated continuous-use temperature.
Candidate applications include appliance structural bases, electrical enclosure frames, fan impellers, pump housings, and automotive interior mounting brackets. For electrical enclosure parts, the comparative tracking index under IEC 60112 and the glow-wire performance must be verified on the actual formulation because pigments, flame-retardant systems, and glass content can alter surface leakage resistance. Parts exposed to outdoor UV should be painted, film-inserted, or protected with a UV-stabilized cover because the butadiene phase in ABS is susceptible to embrittlement under prolonged ultraviolet exposure. Before product qualification, the user should request a compliance declaration from Dongguan Guojia covering RoHS Directive 2011/65/EU, Annex II restricted substances, and REACH Regulation (EC) No 1907/2006, Article 33. The base ABS and glass fiber system may contain undisclosed processing aids; therefore food-contact status under FDA 21 CFR 177.1020 is not implied unless the supplier provides explicit written confirmation. Storage conditions should be dry, below 40 °C, away from direct sunlight, and the material should be used within 12 months. Compatibility with external flame-retardant masterbatches is not generic: halogenated flame retardants can reduce interfacial coupling and lower impact, while certain amine-based stabilizers can increase moisture uptake. For each incoming lot, measure moisture content, melt flow rate, ash content at 600 °C, tensile strength, and notched Izod impact against the supplier certificate of analysis. Published data for this specific Dongguan Guojia configuration is limited; the reported ranges are industrial reference values for comparable short-glass ABS compounds and must not be substituted for product-specific testing.
