Delrin® 527UVE RD402

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Description

Common features of Delrin® acetal resins include mechanical and physical properties such as high mechanical strength and rigidity, excellent fatigue and impact resistance, as well as resistance to moisture, gasoline, lubricants, solvents, and many other neutral chemicals. Delrin® acetal resins also have excellent dimensional stability and good electrical insulating characteristics. They are naturally resilient, self-lubricating, and available in a variety of colors and speciality grades. Delrin® acetal resin typically is used in demanding applications in the automotive, domestic appliances, sports, industrial engineering, electronics, and consumer goods industries.Delrin® 527UVE RD402 is a red, UV-stabilized, medium viscosity acetal homopolymer with very low VOC emissions, developed for automotive interior applications. Processing methods include injection molding.

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

1.42 g/cm³

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ISO 1183

Water absorption

23.0 °C

1.2 %

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Sim. to ISO 62 | 80mil

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

3.2 GPa

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ISO 527-1/-2

Elongation

23.0 °C

30 %

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ISO 527-1/-2

Elongation at yield

23.0 °C

15 %

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ISO 527-1/-2

Flexural modulus

23.0 °C

3.1 GPa

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ISO 178

Hardness, Rockwell M

23.0 °C

92.4 [-]

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ISO 2039-2

Hardness, Rockwell R

23.0 °C

121 [-]

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ISO 2039-2

Impact strength, Charpy notched

23.0 °C

7 kJ/m²

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ISO 179/1eA

Impact strength, Charpy unnotched

-6.0 °C

250 kJ/m²

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ISO 179/1eU

23.0 °C

270 kJ/m²

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ISO 179/1eU

Poisson's ratio

23.0 °C

0.37 [-]

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Yield strength

23.0 °C

73 MPa

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ISO 527-1/-2

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.1E-4 1/K

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ISO 11359-1/-2

Coefficient of thermal expansion, transverse

23.0 °C

1.1E-4 1/K

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ISO 11359-1/-2

Heat deflection temperature, 0.45 MPa

160 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

94 °C

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ISO 75-1/-2

Melting point

178 °C

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ISO 11357-1/-3 | 18°F/min

Vicat softening temperature

174 °C

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ISO 306 | 90°F, 2 lbf

Flammability

FMVSS Class: B -, Burning rate, Thickness 1 mm: <80 mm/min

Rheological Properties

PropertyTemperatureValueComment

Melt volume-flow rate

13 cm³/10min

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ISO 1133

Shrinkage

23.0 °C

2 %

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ISO 294-4, 2577

Shrinkage, transverse

23.0 °C

1.9 %

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ISO 294-4, 2577

Technological properties

Property
Processing methods

Drying Recommended: yes, Drying Temperature: 80°C, Drying Time, Dehumidified Dryer: 2-4h, Processing Moisture Content: ≤0.2%, Melt Temperature Optimum: 205°C, Min. melt temperature: 200°C, Max. melt temperature: 210°C, Mold Temperature Optimum: 90°C, Min. mold temperature: 80°C, Max. mold temperature: 100°C, Hold pressure range: 80-100MPa, Hold pressure time: 8s/mm