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Makroblend® KU2-7912

Technical Datasheet | Supplied by Covestro
Makroblend® KU2-7912 by Covestro is an unreinforced, impact modified, cold stable, polycarbonate (PC) and polybutylene terephthalate (PBT) blend. It is suitable for processing by injection molding. It offers chemical resistance and impact resistance. It provides medium flow, impact strength, and high toughness at low temperatures. It is ideal for painted application and automotive body panels. Makroblend® KU2-7912 complies with UL 94 HB flame rating.
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Makroblend® KU2-7912
Technical Datasheet | Supplied by Covestro
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Product Type
PC (Polycarbonate) > PC + PBT
Product Status
COMMERCIAL
Applications/ Recommended for
  • Automotive
  • Injection molding - thermoplastics
Labels/Agency Rating
ISO 7792-1
Key Features
  • Chemical resistance, Good
  • Flow, Medium
  • Impact modified
  • Impact Resistance, Good
  • Strength, High
  • Toughness, Low Temperature

Makroblend® KU2-7912 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Viscosity, Melt
570 Pa-s
(At 260°C, 165 s-1, Göttfert) 
Bayer Test
Melt Volume Flow Rate (MVR)
21 cm3/10 min
(At 260°C, 5 kg) 
ISO 1133
Linear Mold Shrinkage, Flow
0.7 - 0.9 %
(At 600bar) 
ISO 2577

Makroblend® KU2-7912 Processing Guidelines

Injection molding Properties

Value & Unit
Test Condition
Test Method
Injection Velocity
200 mm/s
Melt Temperature
250 - 270 °C
Barrel Rear Temperature
230 - 240 °C
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