by SpecialChem

Crastin® SK643FR BK851

Technical Datasheet | Supplied by Celanese

Crastin® SK643FR BK851 by DuPont is a flame retardant polybutylene terephthalate (PBT) grade reinforced with 20% glass fiber. Crastin® SK643FR BK851 is suitable for processing by injection molding.

Crastin® SK643FR BK851 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage, Flow

0.6 %

(Annealed)

ISO 294-4

Linear Mold Shrinkage, Flow

0.5 %

ISO 294-4

Linear Mold Shrinkage, Transverse

1.5 %

(Annealed)

ISO 294-4

Injection Properties

Value & Unit

Test Condition

Test Method

Holding Pressure

60 MPa

Holding Pressure Time

3 s/mm

Back Pressure

Low

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Crastin® SK643FR BK851

Crastin® SK643FR BK851 Properties

Physical Properties

Crastin® SK643FR BK851 Processing Guidelines

Injection Properties