VALOX™ FR Resins 855

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Description

VALOX 855 is a 15% glass filled, flame retardant Polybutylene Terephthalate/Polyethylene Terephthalate (PBT/PET) injection moldable grade. It has excellent chemical resistance and a UL94V0@1.5mm flame rating. With its improved aesthetics compared to standard PBT, it is an excellent candidate for a wide variety of applications including steam irons, appliance components, and lighting parts.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.5 g/cm³

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ASTM D 792

Water absorption

23.0 °C

0.06 %

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ISO 62 | 23°C, 50% RH

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

6.5 GPa

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ASTM D 638 | 5 mm/min

Elongation

23.0 °C

3 %

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ASTM D 638 | Type I, 5 mm/min

Elongation at yield

23.0 °C

2 %

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ASTM D 638 | Type I, 5 mm/min

Flexural modulus

23.0 °C

5.4 GPa

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ISO 178 | 2 mm/min

Flexural strain

23.0 °C

3 %

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ISO 178 | 2 mm/min

Flexural strength

23.0 °C

150 MPa

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ISO 178

Flexural yield strength

23.0 °C

150 MPa

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ISO 178 | 2 mm/min

Hardness, Ball Indentation

23.0 °C

126 MPa

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ISO 2039-1

Hardness, Rockwell R

23.0 °C

120 [-]

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ISO 2039-2

Impact strength, Charpy notched

-30.0 °C

6 kJ/m²

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ISO 179/2C

23.0 °C

6 kJ/m²

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ISO 179/2C

Impact strength, Charpy unnotched

-30.0 °C

15 kJ/m²

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ISO 179/1eU

23.0 °C

20 kJ/m²

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ISO 179/1eU

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Impact strength, Izod notched

-30.0 °C

6 kJ/m²

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ISO 180/1A

23.0 °C

6 kJ/m²

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ISO 180/1A

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Impact strength, Izod notched, ASTM

-30.0 °C

55 J/m

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ASTM D 256

23.0 °C

55 J/m

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ASTM D 256

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Impact strength, Izod unnotched

-30.0 °C

23 kJ/m²

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ISO 180/1U

23.0 °C

25 kJ/m²

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ISO 180/1U

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Impact strength, Izod unnotched, ASTM

-30.0 °C

400 J/m

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ASTM D 4812

23.0 °C

345 J/m

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ASTM D 4812

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Tensile strength

23.0 °C

95 MPa

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ASTM D 638 | Type I, 5 mm/min

Yield strength

23.0 °C

95 MPa

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ASTM D 638 | Type I, 5 mm/min

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

2.7E-5 1/K

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ASTM E 831 | -20°C to 150°C

Coefficient of thermal expansion, transverse

23.0 °C

1.7E-4 1/K

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ASTM E 831 | -20°C to 150°C

Heat deflection temperature, 1.80 MPa

187 °C

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ASTM D 648 | 1.82 MPa, 3.2mm, unannealed

Relative temperature index, electrical

125 °C

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UL 746B

Relative temperature index, mechanical impact

110 °C

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UL 746B

Relative temperature index, mechanical strength

125 °C

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UL 746B

Thermal conductivity

23.0 °C

0.19 W/(m·K)

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ISO 8302

Vicat softening temperature

196 °C

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ASTM D 1525 | Rate B/50

Flammability

UL Recognized, 94V-0 Flame Class Rating | 1.5mm | UL 94

Electrical

PropertyTemperatureValueComment

Comparative tracking index

23.0 °C

225 V

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IEC 60112

Dielectric constant

23.0 °C

3.3 [-]

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ASTM D 150 | at 1 MHz

Dielectric strength

23.0 °C

18 kV/mm

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ASTM D 149 | in oil, 3.2 mm

Dissipation factor

23.0 °C

0.01 [-]

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ASTM D 150 | at 1 MHz

Electrical resistivity

23.0 °C

1.00E+11 Ω·m

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ASTM D 257

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

79 g/10min

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ASTM D 1238 | 266°C/5.0 kg

Melt viscosity

260.0 °C

135 Pa·s

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ISO 11443 | 1500 sec⁻¹

Melt volume-flow rate

60 cm³/10min

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ISO 1133 | 265°C/5.0 kg

Shrinkage

23.0 °C

0.6 %

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SABIC method | 3.2 mm

Shrinkage, transverse

23.0 °C

0.6 - 1 %

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SABIC method

Technological properties

Property
Application areas

Air Conditioning,Coffee Maker/Espresso Machine,Cooking Range,Electronic Components,Enclosure/Housing/Cover,Enclosures,Gas/Electric Oven,Heavy Vehicles,LED Lighting,Medical Device,Meter Gas,Pharmaceutical Packaging & Drug Delivery,Semiconductor,Small Appliance,Surgical Devices,Wearables,Wiring Devices

Fillers

15% Glass Fiber

Processing methods

Drying Temperature: 110-120°C, Drying Time: 4-6hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 260-285°C, Nozzle Temperature: 265-275°C, Front - Zone 3 Temperature: 260-280°C, Middle - Zone 2 Temperature: 255-280°C, Rear - Zone 1 Temperature: 240-260°C, Hopper Temperature: 40-60°C, Mold Temperature: 60-110°C