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Crastin® HR5315HFS BK591

Technical Datasheet | Supplied by Celanese

Crastin® HR5315HFS BK591 by Celanese is a high flow, moderately tough, hydrolysis resistant polybutylene terephthalate (PBT) resin reinforced with 15% glass. Possesses mechanical and physical properties such as stiffness & toughness, heat-, friction-, chemical-, heat ageing- & wear resistance, excellent surface finishes and good colorability. Exhibits good melt stability and excellent electrical insulation characteristics. Good melt stability enables the recycling of properly handled production waste. Crastin® HR5315HFS BK591 can be processed using injection molding. Applicable for electronics, electrical, automotive, mechanical engineering, chemical, domestic appliances and sporting goods industry.

Crastin® HR5315HFS BK591 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage, Flow

0.5 %

(23°C)

ISO 294-4, 2577

Linear Mold Shrinkage, Transverse

1.1 %

(23°C)

ISO 294-4, 2577

Melt Volume Flow Rate (MVR)

13.5 cm³/10 min

(250°C/2.16 kg)

ISO 1133

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

30 - 130 °C

Melt Temperature

240 - 260 °C

Moisture Content (Max)

< 0.04 %

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Crastin® HR5315HFS BK591

Crastin® HR5315HFS BK591 Properties

Physical Properties

Crastin® HR5315HFS BK591 Processing Guidelines

Injection Molding Properties