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Plastics & Elastomers
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Crastin® SK605LM BK591

Technical Datasheet | Supplied by Dupont
Crastin® SK605LM BK591 by DuPont is a laser markable polybutylene terephthalate (PBT) grade with good mold release. It is reinforced with 30% glass fiber and is available in the form of pellets. Crastin® SK605LM BK591 is suitable for processing by injection molding.
Product Type
Polyester > PBT
Physical Form

Crastin® SK605LM BK591 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Strength at Break
130 MPa
( )
ISO 527-2
Tensile Modulus
9500 MPa
( )
ISO 527-2
Tensile Strain
2.5 %
(at Break)
ISO 527-2

Crastin® SK605LM BK591 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
120 °C
Drying Time
2.0 - 4.0 hr
Suggested Max Moisture
0.040 %
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