VALOX™ FR Resins 357

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Description

VALOX 357 is an unreinforced, impact modified flame retardant Polybutylene Terephthalate/Polycarbonate (PBT/PC) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.63mm and 5VA@3.0mm flame rating. This is a good candidate for applications in the electrical industry including bobbins, switches, and enclosures.

Los datos sobre este material han sido proporcionados por Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValueComment

Absorción de agua

23.0 °C

0.15 %

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ISO 62 | 23°C, 50% RH

Densidad

23.0 °C

1.34 g/cm³

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ASTM D 792

Mecánica

PropertyTemperatureValueComment

Elongación

23.0 °C

110 %

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ASTM D 638 | Type I, 50 mm/min

Elongation at yield

23.0 °C

5 %

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ASTM D 638 | Type I, 50 mm/min

Flexural yield strength

23.0 °C

83 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

-30.0 °C

153 J/m

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ASTM D 256

23.0 °C

534 J/m

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ASTM D 256

Límite elástico

23.0 °C

48 MPa

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ASTM D 638 | Type I, 50 mm/min

Módulo de flexión

23.0 °C

2.06 GPa

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

Módulo elástico

23.0 °C

2.02 GPa

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ASTM D 638 | 5 mm/min

Resistencia a la flexión

23.0 °C

83 MPa

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

Resistencia a la tracción

23.0 °C

45 MPa

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ASTM D 638 | Type I, 50 mm/min

Resistencia al choque, ensayo Charpy entallado

23.0 °C

45 kJ/m²

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ISO 179/1eA

Resistencia al choque, ensayo Izod entallado

-30.0 °C

10 kJ/m²

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ISO 180/1A

23.0 °C

45 kJ/m²

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ISO 180/1A

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Impact strength, Izod unnotched, ASTM

No break @ 23°C | ASTM D 4812

Resistencia al choque, ensayo Charpy no entallado

No break @ 23°C | ISO 179/1eU

Resistencia al choque, ensayo Izod no entallado

No break @ 23,-30°C | ISO 180/1U

Aplicaciones térmicas

PropertyTemperatureValueComment

Coeficiente de dilatación térmica

23.0 °C

1.24E-4 1/K

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ASTM E 831 | 60°C to 138°C

Coeficiente de dilatación térmica transversal

23.0 °C

8.4E-5 1/K

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ASTM E 831 | -40°C to 40°C

Heat deflection temperature, 0.45 MPa

125 °C

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ISO 75/Bf | 0.45 MPa

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

Temperatura de reblandecimiento Vicat

134 °C

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ASTM D 1525 | Rate B/50

Inflamabilidad

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

Eléctrico

PropertyTemperatureValueComment

Constante dieléctrica

23.0 °C

3.2 [-]

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ASTM D 150 | at 1 MHz

Factor de disipación

23.0 °C

0.03 [-]

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ASTM D 150 | at 1 MHz

Rigidez dieléctrica

23.0 °C

18.5 kV/mm

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ASTM D 149 | in oil, 3.2 mm

Índice de seguimiento comparativo

23.0 °C

2 V

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UL 746A

Rheological Properties

PropertyTemperatureValueComment

Contracción

23.0 °C

1 - 1.4 %

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SABIC method | 2.3-4.6 mm

Contracción transversal

23.0 °C

1.2 - 1.6 %

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SABIC method | 2.3-4.6 mm

Velocidad de flujo de la masa derretida

9.6 g/10min

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ASTM D 1238 | 250°C/5.0 kgf

Velocidad de flujo del volumen derretido

8 cm³/10min

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ISO 1133 | 250°C/5.0 kg

Technological properties

Property
Application areas

Air Conditioning,Amusement Machine,Audio,Building Accessory,Circuit Protection,Cooking Range,Data Transfer,Defense Vehicles,Dishwasher,Displays,Document Handling,Electronic Components,Enclosure/Housing/Cover,Enclosures,Energy Management,EV Infrastructure,Fluid Delivery,Food Processor,Freezer,Gas/Electric Oven,Golf Cart,Heavy Vehicles,Industrial Material Handling,Lab Ware and Clinical Diagnostics,Laundry Dryer,LED Lighting,Medical Device,Medical Facility Infrastructure,Non-LED Lighting,Oil/Gas,Personal Computing,Photovoltaic Components,Power Manangement,Pump,Recreational Vehicle,Refrigerator,Respiratory,Semiconductor,Small Appliance,Surgical Devices,Swimming Pool/Spa,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