Chimei Polylac® PA-746H ABS

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Chimei POLYLAC PA-746H ABS Resin

Polylac® PA-746H High Flow Grade High Impact ABS


Polylac PA-746H is a High Flow ABS resin engineered for thin-walled, high-impact applications. With exceptional flowability (40 ml/10 min) and robust impact resistance (27 KJ/m² at 23°C), it streamlines production while ensuring durability in demanding environments.

  • Application: Suitable for thin wall and high impact strength products
  • Character: High flowability, high impact strength
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Key technical data (ISO)

  • Flowability: 40 ml/10 min (220°C, 10KG)
  • Impact Strength: 27 KJ/m² (23°C, Izod) / 14 KJ/m² (-30°C, Charpy)
  • Heat Resistance: Vicat 102°C (1KG); HDT 81°C (1.8MPa)
  • Flammability: UL 94 HB (1.5mm)
  • Shrinkage: 0.4–0.7%

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ISO TDSDownload
ASTM TDSDownload
MSDSDownload
Process GuideDownload
UL Product iQDownload

Superior Mold-Filling Efficiency

POLYLAC PA-746H’s high melt flow index (40 ml/10 min) ensures rapid, uniform filling of intricate molds—ideal for thin-wall designs like automotive trim or electronics housings, reducing cycle times and material waste.

Reliable Impact Resistance

With Izod impact strength of 27 KJ/m² (23°C) and 12 KJ/m² (-30°C), this ABS resin withstands drops, vibrations, and cold environments, perfect for outdoor equipment or automotive components exposed to harsh conditions.

Thermal Stability Under Pressure

A Vicat softening temperature of 102°C (1KG load) ensures dimensional stability during high-heat processes like plating or assembly, minimizing warping in appliances or industrial parts.

Chimei POLYLAC PA-746H ABS

Applications

  • Thin-Wall Electronics: Smartphone cases, laptop frames – lightweight yet impact-resistant.
  • Automotive Trim: Dashboard vents, door handles – high flow for detailed textures, durable in temperature swings.
  • Appliance Components: Vacuum cleaner housings, power tool grips – resists cracking during assembly and daily use.
  • Outdoor Equipment: HVAC covers, garden tool casings – maintains integrity in cold climates.
Chimei POLYLAC PA-746H application

Polylac® PA-746H Datasheet

High Flow ABS POLYLAC®  PA-746H
Product Description: Super high flow,High impact
PropertiesISO Test MethodTest ConditionUnitPA-746H
Melt Flow Index1133 220℃×10KGml/10 min40 
Mass Density1183 23 ℃g/cm31.03 
Tensile Strength527 50 mm/min, yieldMPa37 
50 mm/min, breakMPa27 
Tensile Elongation527 50 mm/min%40 
Flexural Strength178 2 mm/minMPa54 
Flexural Modulus2 mm/minGPa1.7 
Izod Impact Strength180/1A23℃, NotchedKJ/m227 
-30℃, NotchedKJ/m212 
Charpy Impact Strength179 23℃, NotchedKJ/m228 
-30℃, NotchedKJ/m214 
Vicat Softening Temp.306 50℃/hr;1KG℃102 
50℃/hr;5KG℃94 
Heat Distortion Temp.75/A1.8MPa, unannealed℃81 
1.8MPa, annealed℃96 
Coefficient of Linear Thermal Expansion11359 ––9.2 x 10-5
Flammability–UL-94–1.5mm HB
Mold Shrinkage294-4–%0.4~0.7
Symbol1043 ––>ABS<
March  12, 2025
Notes：These are typical properties only and are not to be construed as specifications. Users should confirm results by their own test

Polylac® PA-746H UL Product iQ

POLYLAC® PA-746H | UL Product iQ
File Number: E56070Yellow Card™Acrylonitrile Butadiene Styrene (ABS) “POLYLAC”, furnished as pellets
FLAMMABILITY PROPERTIESVALUETEST METHOD
FlammabilityANSI/UL 94
1.6 mm, Color: ALLHB
3.0 mm, Color: ALLHB
ISO/IEC FLAMMABILITY PROPERTIESVALUETEST METHOD
FlammabilityIEC 60695-11-10
1.6 mm, Color: ALLHB75
3.0 mm, Color: ALLHB40
ELECTRICAL PROPERTIESVALUETEST METHOD
Hot-wire Ignition (HWI)UL 746A
1.6 mmPLC 5
3.0 mmPLC 4
High Amp Arc Ignition (HAI)UL 746A
1.6 mmPLC 0
3.0 mmPLC 0
Comparative Tracking Index (CTI)PLC 0UL 746A
High Voltage Arc Tracking Rate (HVTR)PLC 2
High Voltage, Low Current Arc ResistancePLC 6
THERMAL PROPERTIESVALUETEST METHOD
Relative Thermal Index – Electrical StrengthUL 746B
1.6 mm60   °C
3.0 mm60   °C
Relative Thermal Index – Mechanical ImpactUL 746B
1.6 mm60   °C
3.0 mm60   °C
Relative Thermal Index – Mechanical StrengthUL 746B
1.6 mm60   °C
3.0 mm60   °C

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