Crastin® LW9320LM BK591

Alternative und Handelsbezeichungen
PBT+SAN-GF20
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Description

Common features of Crastin® thermoplastic polyester resin include mechanical and physical properties such as stiffness and toughness, heat resistance, friction and wear resistance, excellent surface finishes and good colourability. Crastin® thermoplastic polyester resin has excellent electrical insulation characteristics and high arc-resistant grades are available. Many flame retardant grades have UL recognition (class V-0). Crastin® thermoplastic polyester resin typically has high chemical and heat ageing resistance. The good melt stability of Crastin® thermoplastic polyester resin normally enables the recycling of properly handled production waste.If recycling is not possible, DuPont recommends, as the preferred option, incineration with energy recovery (-24 kJ/g of base polymer) in appropriately equipped installations. For disposal, local regulations have to be observed. Crastin® thermoplastic polyester resin typically is used in demanding applications in the electronics, electrical, automotive, mechanical engineering, chemical, domestic appliances and sporting goods industry.Crastin® LW9320LM is a 20% glass fiber reinforced polybutylene terephthalate blend for injection molding. It has excellent surface aspect, dimensional stability and low warpage and was developed for laser marking applications..

Diese Materialdaten wurden von Matmatch zur Verfügung gestellt

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Eigenschaften

Allgemein

PropertyTemperatureValueComment

Dichte

23.0 °C

1.35 g/cm³

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ISO 1183

Mechanisch

PropertyTemperatureValueComment

Biegemodul

23.0 °C

7 GPa

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ISO 178

Dehnung

23.0 °C

2.3 %

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ISO 527-1/-2

Elastizitätsmodul

23.0 °C

7.5 GPa

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ISO 527-1/-2

Poissonzahl

23.0 °C

0.34 [-]

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Schlagfestigkeit, Charpy gekerbt

23.0 °C

7 kJ/m²

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ISO 179/1eA

Schlagzähigkeit, Charpy ungekerbt

-6.0 °C

40 kJ/m²

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ISO 179/1eU

23.0 °C

45 kJ/m²

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ISO 179/1eU

Schlagzähigkeit, Izod gekerbt

-40.0 °C

45 kJ/m²

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ISO 180/1U

23.0 °C

45 kJ/m²

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ISO 180/1U

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Zugfestigkeit

23.0 °C

120 MPa

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ISO 527-1/-2

Thermisch

PropertyValueComment

Heat deflection temperature, 1.80 MPa

165 °C

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ISO 75-1/-2

Schmelzpunkt

220 °C

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ISO 11357-1/-3 | 18°F/min

Entflammbarkeit

Burning Behav. at 60mil nom. thickn.: HB class, Thickness tested: 1.6 mm, FMVSS Class: B -, Burning rate, Thickness 1 mm: 59 mm/min

Technological properties

Property
Fillers

20% Glass Fiber

Processing methods

Drying Recommended: yes, Drying Temperature: 120°C, Drying Time, Dehumidified Dryer: 2-4h, Processing Moisture Content: ≤0.04%, Melt Temperature Optimum: 250°C, Min. melt temperature: 240°C, Max. melt temperature: 260°C, Mold Temperature Optimum: 80°C, Min. mold temperature: 30°C, Max. mold temperature: 130°C, Hold pressure range: ≥60MPa, Hold pressure time: 3s/mm, Back pressure: As low as possible, Ejection temperature: 170°C