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SD POLYCA™ CR3440

Technical Datasheet | Supplied by Sumika Styron Polycarbonate

SD POLYCA CR3440 by Sumika Styron Polycarbonate is a polycarbonate and polybutylene terephthalate (PC+PBT) alloy by Sumika Styron Polycarbonate. Exhibits improved chemical- CR3440 is suitable for processing by injection molding. Used for automotive exterior parts. Complies with ISO 9001 and ISO 14001.

SD POLYCA™ CR3440 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage

0.6 - 0.8 %

(MD, TD)

Internal Method

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

7 g/10 min

(250°C, 5 kg)

ISO 1133

Specific Gravity

1.21 g/cm³

ISO 1183

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

70 - 100 °C

Drying Temperature

115 °C

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SD POLYCA™ CR3440

SD POLYCA™ CR3440 Properties

Physical Properties

SD POLYCA™ CR3440 Processing Guidelines

Injection Molding Properties