VALOX™ FR Resins 553U

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Description

VALOX 553U is a 30% glass filled, UV stabilized flame retardant Polybutylene Terephthalate/Polycarbonate (PBT/PC) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.86mm and 5VA@2.31mm flame rating. This is a good candidate for applications needing reduced shrinkage/warpage including appliance handles, spotlights, electric motors, and pump housings

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.

Ashby charts

Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.58 g/cm³

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ASTM D 792

Water absorption

23.0 °C

0.07 %

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ASTM D 570 | 24 Hours

Mechanical

PropertyTemperatureValueComment

Flexural modulus

23.0 °C

6.89 GPa

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

Flexural strength

23.0 °C

179 MPa

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

Hardness, Rockwell R

23.0 °C

118 [-]

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ASTM D 785

Impact strength, Izod notched, ASTM

23.0 °C

85 J/m

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ASTM D 256

Impact strength, Izod unnotched, ASTM

23.0 °C

640 J/m

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ASTM D 4812

Tensile strength

23.0 °C

110 MPa

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ASTM D 638 | Type I, 5 mm/min

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

2.16E-5 1/K

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ASTM E 831 | 60°C to 138°C

Heat deflection temperature, 1.80 MPa

160 °C

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ASTM D 648 | 1.82 MPa, 6.4 mm, 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

Flammability

UL Recognized, 94-5VA Flame Class Rating | 2.31mm | UL 94

Electrical

PropertyTemperatureValueComment

Comparative tracking index

23.0 °C

3 V

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UL 746A

Dielectric constant

23.0 °C

3.7 [-]

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ASTM D 150 | at 1 MHz

Dielectric strength

23.0 °C

25.5 kV/mm

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ASTM D 149 | in oil, 1.6 mm

Dissipation factor

23.0 °C

0.02 [-]

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ASTM D 150 | at 1 MHz

Electrical resistivity

23.0 °C

4.30E+14 Ω·m

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ASTM D 257

Rheological Properties

PropertyTemperatureValueComment

Shrinkage

23.0 °C

0.5 - 0.8 %

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SABIC method | 3.2-4.6 mm

Shrinkage, transverse

23.0 °C

0.6 - 0.9 %

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SABIC method | 3.2-4.6 mm

Technological properties

Property
Application areas

Building Accessory,Data Transfer,Document Handling,Electronic Components,Enclosures,Meter Water,Non-LED Lighting,Oil/Gas,Photovoltaic Components,Recreational Vehicle,Small Appliance,Water Treatment/Filtration,Weaving Machine

Fillers

30% Glass Fiber

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: 65-90°C, Back Pressure: 0.3-0.7MPa, Screw Speed: 50-80rpm, Shot to Cylinder Size: 40-80%, Vent Depth: 0.025-0.038mm