VALOX™ FR Resins 357U

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Description

VALOX 357U is an unreinforced, UV stabilized, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.64mm and 5VA@3.0mm flame rating. This is a good candidate for applications in the electrical industry including bobbins, switches, and enclosures.

Diese Materialdaten wurden von Matmatch zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

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Eigenschaften

Allgemein

PropertyTemperatureValueComment

Dichte

23.0 °C

1.34 g/cm³

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ASTM D 792

Wasserabsorption

23.0 °C

0.08 %

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ASTM D 570 | 24 Hours

Mechanisch

PropertyTemperatureValueComment

Biegefestigkeit

23.0 °C

82 MPa

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ASTM D 790 | 1.3 mm/min, 50 mm span

Biegemodul

23.0 °C

2.06 GPa

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ASTM D 790 | 1.3 mm/min, 50 mm span

Dehnung

23.0 °C

110 %

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ASTM D 638 | Type I, 50 mm/min

Elastizitätsmodul

23.0 °C

2.05 GPa

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ASTM D 638 | 50 mm/min

Elongation at yield

23.0 °C

5.28 %

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ASTM D 638 | 50 mm/min

Flexural yield strength

23.0 °C

82 MPa

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ASTM D 790 | 1.3 mm/min, 50 mm span

Hardness, Rockwell R

23.0 °C

117 [-]

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ASTM D 785

Impact strength, Izod notched, ASTM

23.0 °C

534 J/m

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ASTM D 256

Impact strength, Izod unnotched, ASTM

23.0 °C

3204 J/m

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ASTM D 4812

Streckgrenze

23.0 °C

48 MPa

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ASTM D 638 | Type I, 50 mm/min

Zugfestigkeit

23.0 °C

48 MPa

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ASTM D 638 | Type I, 50 mm/min

Thermisch

PropertyTemperatureValueComment

Heat deflection temperature, 1.80 MPa

98 °C

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ASTM D 648 | 1.82 MPa, 6.4 mm, unannealed

Koeffizient der thermischen Ausdehnung

23.0 °C

1.24E-4 1/K

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ASTM E 831 | 60°C to 138°C

Relative temperature index, electrical

120 °C

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UL 746B

Relative temperature index, mechanical impact

120 °C

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UL 746B

Relative temperature index, mechanical strength

140 °C

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UL 746B

Entflammbarkeit

UL Recognized, 94-5VA Flame Class Rating | 3mm | UL 94

Elektrisch

PropertyTemperatureValueComment

Dielektrizitätskonstante

23.0 °C

3.2 [-]

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ASTM D 150 | at 1 MHz

Durchschlagfestigkeit

23.0 °C

18.5 kV/mm

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ASTM D 149 | in oil, 3.2 mm

Kriechstromfestigkeit

23.0 °C

2 V

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UL 746A

Verlustfaktor

23.0 °C

0.03 [-]

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ASTM D 150 | at 1 MHz

Rheological Properties

PropertyTemperatureValueComment

Schrumpfung

23.0 °C

1 - 1.4 %

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SABIC method | 2.3-4.6 mm

Schrumpfung, diagonal

23.0 °C

1.2 - 1.6 %

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SABIC method | 2.3-4.6 mm

Technological properties

Property
Application areas

Air Conditioning,Air Filtration,Amusement Machine,Audio,Building Accessory,Commercial Storage/Cookware,Cooking Range,Data Transfer,Document Handling,Electronic Components,Enclosure/Housing/Cover,Enclosures,Energy Management,EV Infrastructure,Fluid Delivery,Freezer,Furnace/Heater,Heavy Vehicles,Industrial Material Handling,Lab Ware and Clinical Diagnostics,Lawn/Garden,LED Lighting,Medical Device,Medical Facility Infrastructure,Monitoring and Imaging,Non-LED Lighting,Personal Computing,Photovoltaic Components,Plumbing,Power Manangement,Refrigerator,Renal and Blood Handling,Small Appliance,Surgical Devices,Swimming Pool/Spa,Traffic Management,Wearables,Window,Wireless Communications,Wiring Devices,Wire & cable

Processing methods

Drying Temperature: 120°C, Drying Time: 3-4hrs, Drying Time (Cumulative): 12hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 250-265°C, Nozzle Temperature: 245-260°C, Front - Zone 3 Temperature: 250-265°C, Middle - Zone 2 Temperature: 245-260°C, Rear - Zone 1 Temperature: 240-255°C, Mold Temperature: 50-75°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 50-100rpm, Shot to Cylinder Size: 40-80%, Vent Depth: 0.025-0.038mm