Chimei Polylac® PA-777B ABS

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Chimei Polylac ABS Resin PA-777B

Polylac® PA-777B High Heat High Impact ABS Resin

Polylac PA-777B ABS resin combines high heat resistance and strong impact performance, even in freezing conditions. Its lightweight design cuts material costs without sacrificing strength. UL94 HB-certified for safety, it’s a reliable choice for manufacturers needing materials that handle heat, shocks, and everyday wear.

  • Manufacturer: CHIMEI
  • Application: Shells for heat producing household appliances, hair dryer tubes, iron casings, heaters, auto parts, water tank covers
  • Character: Heat resistance, high impact strength
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Key technical data (ISO)

  • Vicat Softening Temp: 113°C
  • Heat Distortion Temp (annealed): 106°C @ 1.8MPa
  • Tensile Strength: 44 MPa
  • Izod Impact (23°C): 21 kJ/m²
  • Flammability Rating: UL94 HB
  • RoHS Compliance: Yes
  • Melt Flow Rate: 8.5 g/10min
  • Mold Shrinkage: 0.3–0.6%

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ISO TDSDownload
ASTM TDSDownload
UL Product iQDownload
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Process GuideDownload

Handles High Heat Easily

Polylac PA-777B resists heat up to 113°C, keeping its shape in hot environments. Ideal for irons, heaters, and auto parts near engines.

Stays Tough in Cold

Even at -30°C, it keeps 11 KJ/m² impact strength. Perfect for outdoor gear or appliances exposed to temperature swings.

Molds Smoothly, Saves Time

With a 8.5 melt flow index, it fills molds fast. Low shrinkage (0.3–0.6%) ensures precise parts, cutting waste and production costs.

Chimei Polylac® PA-777B

Applications

  • Household Appliances: Hair dryer tubes, iron casings, heater shells
  • Automotive Components: Under-hood parts, connectors, water tank covers
  • Durable Electronics: Power adapter housings, router casings
Chimei Polylac® PA-777B Application

Polylac® PA-777B Datasheet

High Heat ABS POLYLAC® PA-777B
Product Description: Medium heat, High impact
PropertiesISO Test MethodTest ConditionUnitPA-777B
Melt Flow Index1133220℃×10KGml/10 min8.5
Mass Density118323  ℃g/cm31.03
Tensile Strength52750 mm/min, yieldMPa44
50 mm/min, breakMPa34
Tensile Elongation52750 mm/min%35
Flexural Strength1782 mm/minMPa67
Flexural Modulus1782 mm/minGPa2.2
Izod Impact Strength180/1A23℃, NotchedKJ/m221
-30℃, NotchedKJ/m211
Charpy Impact Strength17923℃, NotchedKJ/m222
-30℃, NotchedKJ/m211
Vicat Softening Temp.30650℃/hr;1KG℃113
50℃/hr;5KG℃106
Heat Distortion Temp.75/A1.8MPa, unannealed℃86
1.8MPa, annealed℃106
Coefficient of Linear Thermal Expansion11359––8.4 x 10-5
Flammability–UL-94–1.5mm HB
Mold Shrinkage294-4–%0.3~0.6
Symbol1043––>ABS<
March 11, 2024
Notes：These are typical properties only and are not to be construed as specifications. Users should confirm results by their own test

Polylac® PA-777B UL Product iQ

POLYLAC® PA-777B UL Product iQ
File Number: E56070Yellow Cardâ„¢Acrylonitrile Butadiene Styrene (ABS) “POLYLAC”, furnished as pellets
FLAMMABILITY PROPERTIESVALUETEST METHOD
Flammability (1.5 to 1.7 mm, Color: ALL)HBANSI/UL 94
ISO/IEC FLAMMABILITY PROPERTIESVALUETEST METHOD
Flammability (1.5 to 1.7 mm, Color: ALL)HB75IEC 60695-11-10
ELECTRICAL PROPERTIESVALUETEST METHOD
Hot-wire Ignition (HWI) (1.5 to 1.7 mm)PLC 4UL 746A
High Amp Arc Ignition (HAI) (1.5 to 1.7 mm)PLC 0UL 746A
Comparative Tracking Index (CTI)PLC 1UL 746A
High Voltage Arc Tracking Rate (HVTR)PLC 0
High Voltage, Low Current Arc ResistancePLC 7
THERMAL PROPERTIESVALUETEST METHOD
Relative Thermal Index – Electrical Strength (1.5 to 1.7 mm)60   °CUL 746B
Relative Thermal Index – Mechanical Impact (1.5 to 1.7 mm)60   °CUL 746B
Relative Thermal Index – Mechanical Strength (1.5 to 1.7 mm)60   °CUL 746B

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