VALOX™ FR Resins 4521

Want to keep this datasheet? Save it now in your required format

Description

VALOX 4521 is a 20% glass filled, high flow, flame retardant Polybutylene Terephthalate (PBT) injection moldable grade. It has excellent chemical resistance and a UL94V0@0.75 flame rating and 5VA@2.0mm.

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

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

1.58 g/cm³

Show Material materials with Density of 1.58 g/cm³

ASTM D 792

Water absorption

23.0 °C

0.09 %

Show Material materials with Water absorption of 0.09 %

ISO 62 | 23°C, 50% RH

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

7.8 GPa

Show Material materials with Elastic modulus of 7.8 GPa

ASTM D 638 | 5 mm/min

Elongation

23.0 °C

2 %

Show Material materials with Elongation of 2 %

ASTM D 638 | Type I, 5 mm/min

Elongation at yield

23.0 °C

2 %

Show Material materials with Elongation at yield of 2 %

ASTM D 638 | Type I, 5 mm/min

Flexural modulus

23.0 °C

7 GPa

Show Material materials with Flexural modulus of 7 GPa

ISO 178 | 2 mm/min

Flexural strain

23.0 °C

3 %

Show Material materials with Flexural strain of 3 %

ISO 178 | 2 mm/min

Flexural strength

23.0 °C

160 MPa

Show Material materials with Flexural strength of 160 MPa

ISO 178

Flexural yield strength

23.0 °C

160 MPa

Show Material materials with Flexural yield strength of 160 MPa

ISO 178 | 2 mm/min

Hardness, Ball Indentation

23.0 °C

142 MPa

Show Material materials with Hardness, Ball Indentation of 142 MPa

ISO 2039-1

Hardness, Rockwell R

23.0 °C

120 [-]

Show Material materials with Hardness, Rockwell R of 120 [-]

ISO 2039-2

Impact strength, Charpy notched

-30.0 °C

8 kJ/m²

Show Material materials with Impact strength, Charpy notched of 8 kJ/m²

ISO 179/2C

23.0 °C

8 kJ/m²

Show Material materials with Impact strength, Charpy notched of 8 kJ/m²

ISO 179/2C

Impact strength, Charpy unnotched

-30.0 °C

28 kJ/m²

Show Material materials with Impact strength, Charpy unnotched of 28 kJ/m²

ISO 179/1eU

23.0 °C

30 kJ/m²

Show Material materials with Impact strength, Charpy unnotched of 30 kJ/m²

ISO 179/1eU

Unlock all property charts

Impact strength, Izod notched

-30.0 °C

7 kJ/m²

Show Material materials with Impact strength, Izod notched of 7 kJ/m²

ISO 180/1A

23.0 °C

8 kJ/m²

Show Material materials with Impact strength, Izod notched of 8 kJ/m²

ISO 180/1A

Unlock all property charts

Impact strength, Izod notched, ASTM

-30.0 °C

65 J/m

Show Material materials with Impact strength, Izod notched, ASTM of 65 J/m

ASTM D 256

23.0 °C

70 J/m

Show Material materials with Impact strength, Izod notched, ASTM of 70 J/m

ASTM D 256

Unlock all property charts

Impact strength, Izod unnotched

-30.0 °C

30 kJ/m²

Show Material materials with Impact strength, Izod unnotched of 30 kJ/m²

ISO 180/1U

23.0 °C

35 kJ/m²

Show Material materials with Impact strength, Izod unnotched of 35 kJ/m²

ISO 180/1U

Unlock all property charts

Impact strength, Izod unnotched, ASTM

-30.0 °C

470 J/m

Show Material materials with Impact strength, Izod unnotched, ASTM of 470 J/m

ASTM D 4812

23.0 °C

530 J/m

Show Material materials with Impact strength, Izod unnotched, ASTM of 530 J/m

ASTM D 4812

Unlock all property charts

Tensile strength

23.0 °C

110 MPa

Show Material materials with Tensile strength of 110 MPa

ASTM D 638 | Type I, 5 mm/min

Yield strength

23.0 °C

110 MPa

Show Material materials with Yield strength of 110 MPa

ASTM D 638 | Type I, 5 mm/min

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

2.5E-5 1/K

Show Material materials with Coefficient of thermal expansion of 2.5E-5 1/K

ASTM E 831 | 23°C to 150°C

Coefficient of thermal expansion, transverse

23.0 °C

1.8E-4 1/K

Show Material materials with Coefficient of thermal expansion, transverse of 1.8E-4 1/K

ASTM E 831 | 23°C to 150°C

Heat deflection temperature, 1.80 MPa

205 °C

Show Material materials with Heat deflection temperature, 1.80 MPa of 205 °C

ASTM D 648 | 1.82 MPa, 3.2mm, unannealed

Relative temperature index, electrical

130 °C

Show Material materials with Relative temperature index, electrical of 130 °C

UL 746B

Relative temperature index, mechanical impact

130 °C

Show Material materials with Relative temperature index, mechanical impact of 130 °C

UL 746B

Relative temperature index, mechanical strength

130 °C

Show Material materials with Relative temperature index, mechanical strength of 130 °C

UL 746B

Thermal conductivity

23.0 °C

0.27 W/(m·K)

Show Material materials with Thermal conductivity of 0.27 W/(m·K)

ISO 8302

Vicat softening temperature

206 °C

Show Material materials with Vicat softening temperature of 206 °C

ASTM D 1525 | Rate B/50

Flammability

UL Recognized, 94-5VB Flame Class Rating | 1.5mm | UL 94

Electrical

PropertyTemperatureValueComment

Comparative tracking index

23.0 °C

275 V

Show Material materials with Comparative tracking index of 275 V

IEC 60112

Dielectric constant

23.0 °C

3.4 [-]

Show Material materials with Dielectric constant of 3.4 [-]

ASTM D 150 | at 1 MHz

Dielectric strength

23.0 °C

20 kV/mm

Show Material materials with Dielectric strength of 20 kV/mm

ASTM D 149 | in oil, 3.2 mm

Dissipation factor

23.0 °C

0.02 [-]

Show Material materials with Dissipation factor of 0.02 [-]

ASTM D 150 | at 1 MHz

Electrical resistivity

23.0 °C

1.00E+13 Ω·m

Show Material materials with Electrical resistivity of 1.00E+13 Ω·m

ASTM D 257

Rheological Properties

PropertyTemperatureValueComment

Melt mass-flow rate

26 g/10min

Show Material materials with Melt mass-flow rate of 26 g/10min

ISO 1133 | 250°C/2.16 kg

Melt viscosity

260.0 °C

95 Pa·s

Show Material materials with Melt viscosity of 95 Pa·s

ISO 11443 | 1500 sec⁻¹

Melt volume-flow rate

95 cm³/10min

Show Material materials with Melt volume-flow rate of 95 cm³/10min

ISO 1133 | 265°C/5.0 kg

Shrinkage

23.0 °C

0.3 - 0.7 %

Show Material materials with Shrinkage of 0.3 - 0.7 %

SABIC method

Shrinkage, transverse

23.0 °C

0.6 - 0.9 %

Show Material materials with Shrinkage, transverse of 0.6 - 0.9 %

SABIC method

Technological properties

Property
Application areas

Building Accessory,Circuit Protection,Document Handling,Electronic Components,Enclosures,Heavy Vehicles,LED Lighting,Medical Device,Meter Gas,Personal Computing,Photovoltaic Components,Wireless Communications,Wiring Devices,Wire & cable

Fillers

20% Glass Fiber

Processing methods

Drying Temperature: 110-120°C, Drying Time: 2-4hrs, Maximum Moisture Content: 0.02%, Melt Temperature: 250-270°C, Nozzle Temperature: 240-260°C, Front - Zone 3 Temperature: 245-265°C, Middle - Zone 2 Temperature: 240-255°C, Rear - Zone 1 Temperature: 230-245°C, Hopper Temperature: 40-60°C, Mold Temperature: 40-100°C