Changzhou Helilai ABS FRABS-HA-101
- Product Name: Changzhou Helilai ABS FRABS-HA-101
- Factroy Site: Yinchuan, Ningxia, China
- Price Inquiry: sales8@ascent-chem.com
- Manufacturer: Ascent Petrochem Holdings Co., Limited
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- Changzhou Helilai ABS FRABS-HA-101 is typically used in formulations when flame-retardant rating (UL 94 V-0), notched impact strength, and melt flow index and processing melt temperature, mold temperature, and pre-drying moisture content must be controlled within specific ranges.
| HS Code | 232445 |
| Density | 1.18 g/cm³ |
| Melt Flow Rate | 10 g/10 min |
| Tensile Strength | 40 MPa |
| Elongation At Break | 20% |
| Flexural Strength | 65 MPa |
| Flexural Modulus | 2200 MPa |
| Notched Izod Impact Strength | 12 kJ/m² |
| Heat Deflection Temperature | 75°C |
| Vicat Softening Temperature | 90°C |
| Flammability Rating | UL94 V-0 |
| Dielectric Strength | 15 kV/mm |
| Molding Shrinkage | 0.4–0.6% |
As an accredited Changzhou Helilai ABS FRABS-HA-101 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Changzhou Helilai ABS FRABS-HA-101 is supplied in 25 kg moisture-proof bags, 40 bags per shrink-wrapped pallet. |
| Container Loading (20′ FCL) | Standard 20′ FCL container loading for Changzhou Helilai ABS FRABS-HA-101, with palletized cargo properly secured for safe ocean transport. |
| Shipping | Shipping description: Changzhou Helilai ABS FRABS-HA-101, flame-retardant ABS resin pellets, is not regulated as dangerous goods and has no UN number. Use standard industrial packaging; keep dry, ventilated, and protected from moisture, heat, and direct sunlight. Handle with normal industrial care. |
| Storage | Store Changzhou Helilai ABS FRABS-HA-101 in a cool, dry, well-ventilated area away from direct sunlight, heat, sparks, flames, and incompatible oxidizers. Keep original containers tightly closed to prevent moisture and dust contamination. Avoid static buildup, secure stacking, and observe good housekeeping. Follow the manufacturer’s SDS and local regulations for safe storage and handling. |
| Shelf Life | Typically 24 months when stored dry, cool, and in original sealed packaging, away from direct sunlight and moisture. |
In external power adapter and USB-PD charger production, FRABS-HA-101 is introduced directly as the base polymer feed at 100 wt% of the total thermoplastic mass; it is not used as a functional masterbatch or let-down additive, and any color adjustment is limited to 2.0–4.0 wt% of a styrenic carrier masterbatch with a carrier melt-flow index matched to ISO 1133-1:2022. The fire enclosure requirements applicable to end products derive from IEC 62368-1:2018, Clause 6.4.8, with UL 94 V-0 at the minimum certified part thickness, commonly 1.0–1.2 mm for wall adapters; material-level RoHS 2011/65/EU Annex II and REACH 1907/2006 Annex XVII documentation is maintained through the supplier declaration. Desiccant drying at 80 °C for 3–4 h to a residual moisture content below 0.05 wt% is mandatory before molding; when ambient relative humidity exceeds 60%, the residence time is extended to 4 h. Barrel temperatures are maintained at 190–210 °C, and the hot-runner manifold is held no higher than 210 °C because overheating above 220 °C accelerates release of acidic decomposition species that deposit on polished cavity surfaces. Injection velocity is set at 0.8–1.2 m/s, holding pressure is adjusted to 45–70 MPa, and mold surface temperature is controlled at 50–60 °C. Vent channels at 0.02–0.03 mm depth are cleaned after 20,000–30,000 shots due to gradual plate-out at vent lips. Terminal product types include USB-C wall adapters, multi-port GaN travel chargers, and detachable power-brick shells. Published data for FRABS-HA-101 at wall thickness below 0.75 mm is limited and should be confirmed through UL witness testing before production release.
Is Glow-Wire Resistance the Controlling Requirement in Fixed Wiring Accessories?
Wall-mounted junction boxes and flush switch boxes made from FRABS-HA-101 are evaluated under IEC 60670-1:2013 and national derivatives, with glow-wire testing according to IEC 60695-2-11. The formulation is 100 wt% FRABS-HA-101 in the virgin feed; first-generation regrind from the same grade is limited to 15 wt% of total shot weight because higher regrind fractions reduce Vicat softening temperature measured under ISO 306/B50 and increase sensitivity to slow-burn in thin internal ribs. Desiccant dryer settings of 80 °C and 3 h are maintained, with a dew point below −30 °C. Melt temperature is controlled at 190–215 °C, with mold temperature 45–65 °C. Multi-cavity hot-runner systems with 2.5–3.0 mm melt-flow channels and external heating are preferred; internally heated hot runners with dead spots are avoided because residence time beyond 5 min shifts the material toward embrittlement and darkening. Terminal outputs include surface-mounted switch boxes, wall socket boxes, junction boxes, and electrical accessory back plates.
Flame-Retardant ABS in Set-Top Box and Router Housings Requires a Shrinkage Window Below 0.8%
In display and network equipment enclosures, dimensional repeatability is tied to the isotropic shrinkage of the compound. FRABS-HA-101 is loaded at 100 wt% as the base resin, with 2.0–3.0 wt% of a styrenic color masterbatch; higher pigment loadings are not used because they alter the UL 94 V-0 burn behavior at 1.5 mm and produce visible splay under high-humidity molding. End-product fire enclosure compliance is evaluated under IEC 62368-1:2018, Clause 6.4.8, and UL 94 V-0 at the certified thickness. The production process uses high-gloss injection molds with SPI A2 polished cavity surfaces and a melt temperature of 200–220 °C; mold surface temperatures are held at 60–70 °C to prevent sinks over ribs and bosses. Desiccant drying at 80 °C for 3–4 h is required. Post-mold dimensional checks are performed after 24 h at 23 °C and 50% relative humidity, with acceptance limits tied to the end-product's snap-fit assembly retention. The main terminal product types are set-top box shells, Wi-Fi access point enclosures, monitor back frames, and router bottom trays.
When Power Strips Are Insert-Molded with Brass Contact Strips at Glow-Wire 750 °C
Power strip and extension socket manufacturing imposes simultaneous demands of insert bonding and flame resistance. FRABS-HA-101 is processed at 100 wt% of the polymer fraction, with regrind allowed up to 12 wt% in thick-section parts; higher regrind use is not recommended for thin webs around socket apertures because notched Charpy impact under ISO 179-1/1eA can fall below 4 kJ/m² in some multi-gate tool layouts. Compliance is verified under IEC 60670-1:2013 and IEC 60884-1:2002/AMD2:2013 national equivalents, with glow-wire tests at 750 °C using IEC 60695-2-11 where the end standard imposes a higher temperature for live-pin surroundings. Brass contact strips are preheated to 80–100 °C before insertion to reduce localized cooling and cosmetic delamination near the insert surface. Melt temperature is set at 190–210 °C, with barrel residence time below 5 min. Mold temperature is controlled at 50–60 °C. Terminal product types include three-gang extension sockets with switch apertures, surge-protector socket consoles, and travel socket adapters.
For automotive interior trims regulated by FMVSS 302 and ISO 3795:1989, FRABS-HA-101 is injection-molded at 100 wt% of the polymer feed; blends with 8–12 wt% mineral-filled ABS regrind from internal production are used only where dimensional stability must be raised for long door-panel trim strips. Horizontal burn rate is required to be less than 100 mm/min when tested in accordance with ISO 3795, and lot sampling must follow the end-vehicle manufacturer's procedure because the standard alone does not define sampling frequency. Drying is carried out at 80 °C for 3–4 h; melt temperature is limited to 190–215 °C, and mold temperature is maintained at 50–65 °C. Gate design for seat side shields uses fan gates with a thickness of not less than 60% of the nominal wall to avoid high shear near the gate, which can initiate surface roughness and local degradation. Terminal parts include seat side shields, switch bezels, interior door handle recesses, and instrument panel sub-structures. Published data for FRABS-HA-101 in long-fiber or continuous-fiber overmolded composites is limited.
Industrial Control Housings and IEC 61010-1 Enclosure Integrity Requirements
PLC, HMI, and relay box enclosures made from FRABS-HA-101 are tested under IEC 61010-1:2010/AMD1:2016, Clause 6.5.1, and UL 61010-1 where applicable. The material is dosed at 100 wt% as the base thermoplastic; clean first-generation regrind is limited to 20 wt%, provided that melt flow rate under ISO 1133-1:2022 at 220 °C and 10 kg remains within the range specified by the molder's process capability. Drying at 80 °C for 3–4 h is required before molding, with residual moisture below 0.05 wt%. Large flat housing bases are produced with sequential valve-gated hot runners; the melt temperature is held at 190–215 °C, and mold temperature is set at 45–65 °C. Holding pressure is 45–70 MPa, and clamping force is calculated from projected area at 4–6 kN/cm² to reduce flash in split-line areas. Terminal products include PLC housings, HMI frames, relay and terminal box covers, and industrial power-supply shells. In proximity to power transformers, the end-standard temperature rise limits must be checked against the relative temperature index assigned to the grade in the UL Yellow Card.
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- Changzhou Helilai ABS FRABS-HA-101 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.
Changzhou Helilai supplies the compound designated FRABS-HA-101 as a flame-retardant, heat-stabilized acrylonitrile-butadiene-styrene compound intended for injection-molded electrical enclosures, appliance control housings, and power-distribution components. The designation is parsed as FR for flame retardant, ABS for the base polymer, HA for the heat-aged stabilization package, and 101 as the producer series code. The primary supplier claim is UL 94 V-0 classification at 1.5 mm and 3.0 mm, with ancillary compliance declared against IEC 60695-2-12 glow-wire and IEC 60112 tracking-resistance procedures. Published independent data for this specific configuration remains limited; therefore, lot-level certificates of analysis should be treated as the operative specification rather than generic reference literature.
Why Does a Brominated Flame Retardant Package Force a Narrower Melt-Temperature Window?
In brominated FR ABS compounds of this class, the upper melt-temperature ceiling is set by thermal dehalogenation rather than by the flow limit of the base resin. The safe melt-temperature envelope for FRABS-HA-101 is 200 °C to 230 °C. At 240 °C and above, residence time becomes critical; heating for more than 5 min causes visible yellowing and release of acidic decomposition products. The processing window is therefore no more than ±5 °C around a central set point of 220 °C for a general-purpose screw. Machines with high compression ratio screws or small shot volumes generate more shear heating and require lower set points. Barrel and screw surfaces should be nitrided or bimetallic to resist acid-induced wear, and mold cores and cavities are preferably produced from H13 hardened steel with chrome plating for long production runs.
Before melt processing, pellet moisture should be reduced below 0.1 % by weight. A closed-loop desiccant dryer with a dew point of −35 °C and inlet air temperature of 80 °C is recommended for 3 h to 4 h. If storage time in an unsealed container exceeds 8 h at relative humidity above 60 %, drying should be extended to 6 h. Residual moisture may be confirmed by ISO 15512 or ASTM D6980-17; visual surface splay in molded parts is not a valid substitute for moisture measurement. Regrind usage should remain conservative, with a maximum of 25 % unless validated on a production lot because repeated heat history shifts the flame retardant distribution and narrows the melt window further.
Melt Rheology, Screw L/D Constraints, and Mold Temperature Boundaries
Processing parameters for FRABS-HA-101 follow the general class of medium-viscosity ABS but require lower shear heating than unmodified ABS. Barrel zones are typically set to 180 °C to 200 °C at the rear, 190 °C to 210 °C in the center, and 200 °C to 220 °C at the front, with nozzle temperature held at 200 °C to 220 °C. Measured melt temperature should remain 200 °C to 230 °C. Injection pressure is commonly 70 MPa to 100 MPa, with holding pressure at 50 MPa to 70 MPa and back pressure at 0.5 MPa to 1.5 MPa. Screw speed for a 35 mm screw should be limited to 60 min−1 to 100 min−1 to avoid excessive frictional heat. Mold wall temperature is normally 40 °C to 70 °C; higher values improve surface gloss but extend cycle time. Vent depth at the parting line should be 0.02 mm to 0.04 mm. Screw L/D should be 18:1 to 22:1 with a compression ratio of 2.0:1 to 2.5:1; intensive mixing sections are not recommended unless active barrel cooling is confirmed. Packing should be held until gate freeze, and sudden decompression should be avoided because flame retardant byproducts can produce gas marks at the end of fill.
The practical differences among FRABS-HA-101, unmodified ABS, flame-retardant HIPS, and flame-retardant PC/ABS are dominated by density, impact behavior, heat deflection, and processing temperature. The incorporation of a flame retardant raises density and reduces notched impact relative to unmodified ABS. Standard ABS may achieve only UL 94 HB at 1.5 mm, while FRABS-HA-101 is specified for UL 94 V-0 at the same thickness. Against FR HIPS, the ABS grade offers higher notched impact and better resistance to dilute aqueous chemicals; against FR PC/ABS, it offers lower melt temperature and lower drying temperature but lower heat deflection and lower toughness. The ABS base also provides greater resistance to dilute acids and bases than HIPS, although immersion testing under ISO 175 is required before contact with ketones, esters, or aromatic hydrocarbons. The comparison below uses supplier-declared nominal ranges for FRABS-HA-101 and general industrial reference ranges for the other materials.
| Property / method | FRABS-HA-101 supplier nominal range | Unmodified ABS general range | FR HIPS general range | FR PC/ABS general range |
|---|---|---|---|---|
| Density (ISO 1183-1) | 1.18–1.21 g/cm³ | 1.04–1.07 g/cm³ | 1.08–1.12 g/cm³ | 1.17–1.21 g/cm³ |
| Melt mass-flow rate (ISO 1133-1:2022, 220 °C/10 kg) | 18–25 g/10 min | 20–30 g/10 min | 8–15 g/10 min | 15–25 g/10 min |
| Tensile yield stress (ISO 527-1) | 40–46 MPa | 40–50 MPa | 25–35 MPa | 55–65 MPa |
| Notched Izod impact (ISO 180/1A, 23 °C) | 14–20 kJ/m² | 25–35 kJ/m² | 10–16 kJ/m² | 45–60 kJ/m² |
| Heat deflection temperature (ISO 75-2, 1.8 MPa) | 82–88 °C | 90–100 °C | 78–85 °C | 105–120 °C |
| Flammability (UL 94, 1.5 mm) | V-0 | HB | V-2/V-0 | V-0 |
The non-FRABS columns are general industrial reference ranges, not supplier certificates. FRABS-HA-101 values are producer-declared nominal ranges and are batch-dependent. All values should be replaced by lot-specific test reports before production release.
When an Electrical Enclosure Requires Glow-Wire End-Product Compliance
Material flammability classification under UL 94 is a bench-scale material property and does not automatically satisfy end-product glow-wire testing under IEC 60695-2-11. For unattended appliance housings, typical pass criteria require no ignition or self-extinguishment after a 750 °C or 850 °C glow-wire contact for 30 s. The result is thickness-dependent, and failures are frequently caused by thin wall sections, gas entrapment at ribs, or metal inserts that increase local heat conduction. For FRABS-HA-101, the supplier may declare glow-wire flammability index values from IEC 60695-2-12; final part validation should be performed on molded plaques of the same nominal wall thickness as production components, not on generic specimens. Comparative tracking index under IEC 60112 is relevant for terminal blocks and printed circuit board carriers; flame-retardant ABS of this class commonly falls in the 300 V to 400 V range, but lot-specific verification is required because regrind or pigment packages can shift the value.
For supply-chain audits, a material declaration for FRABS-HA-101 should be requested in IEC 62474 format together with REACH information under EC 1907/2006. If the flame-retardant system contains brominated species, the declaration must identify the specific brominated compound; restricted polybrominated diphenyl ethers are not permitted under EU 2019/1021. RoHS compliance is typically declared as conformity to 2011/65/EU Annex II maximum concentration values: 1000 ppm for lead and mercury, 100 ppm for cadmium, and 1000 ppm for hexavalent chromium. The compliance matrix below summarizes the principal test methods and documentation requirements for incoming quality control.
| Domain | Relevant standard or regulation | Typical test or verification requirement |
|---|---|---|
| Flammability | UL 94, IEC 60695-11-10 | Vertical burn at 1.5 mm and 3.0 mm |
| Glow-wire material test | IEC 60695-2-12 | Glow-wire flammability index on plaque |
| Tracking resistance | IEC 60112 | Comparative tracking index on 3 mm plaque |
| Tensile and flexural | ISO 527-1:2019, ISO 178:2019 | Yield stress, elongation, flexural modulus |
| Impact | ISO 180:2019 | Notched Izod at 23 °C |
| Thermal | ISO 75-2:2013, ISO 306 | Heat deflection and Vicat softening temperature |
| Melt flow | ISO 1133-1:2022 | Melt mass-flow rate at 220 °C/10 kg |
| Density | ISO 1183-1:2019 | Solid density on injection-molded specimen |
| Regulatory declaration | EU 2011/65/EU, EC 1907/2006, IEC 62474 | Material declaration with CAS numbers and exemption codes |
On a production injection molding line for power adaptor housings, the most common failure modes are gas burns near the end of fill, splay from residual moisture, and yellowing from dead spots in the hot runner. These failures are addressed by reducing manifold temperature to 220 °C, eliminating stagnant melt pools, and verifying that the nozzle tip is free of degraded deposits after every 8 h shift. The grade should not be blended with amine-containing masterbatches or regrind from polyamide without supplier validation, because free amine species can interact with the flame retardant package and produce crosslinked gels during melt compounding. Published data for this specific configuration is limited, so mold startup trials should use a design of experiments that varies melt temperature, injection speed, and hold pressure while recording part weight, surface appearance, and UL 94 afterflame time from molded plaques.
