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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
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HEC0255B

HEC0255B is a modified, blowing polycarbonate (PC) and acrylonitrile ethylene styrene (AES) blend. Exhibits high heat resistance, gloss and weather resistance. Offers high strength, toughness, chemical resistance and excellent processing properties. It improves anti-stress cracking and chemical reagent. Is suitable for processing by injection molding. HEC0255B by Shanghai Kumho Sunny Plastics is recommended for automobile spoiler and bumper guard applications. Complies with UL file numbers E65424 and E254819.
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Product Type
PC (Polycarbonate) > PC, other Alloy
Product Status
COMMERCIAL
Applications/ Recommended for
  • Automotive > External - Bumpers
  • Automotive > External - Spoiler
  • Injection molding - thermoplastics

HEC0255B Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.11 g/cm3
(23°C, 50% RH)
ASTM D792
Linear Mold Shrinkage
0.4 - 0.6 %
(23°C, 50% RH)
ASTM D955
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
12 g/10 min
(230°C, 10 kg)
ASTM D1238

HEC0255B Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
95 - 105 °C
Drying Time
3 - 4 hr
Maximum Moisture Content
0.02 %
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