Zytel® 70K20HSL BK284

Alternative and trade names
PA66-AF20
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Description

Zytel® 70K20HSL BK284 is a 20% Kevlar® Fiber Reinforced, Heat Stabilized, Polyamide 66

Equivalent Materials

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

1.19 g/cm³

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ISO 1183

Water absorption

23.0 °C

6.8 %

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Sim. to ISO 62 | 80mil

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

5.3 GPa

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ISO 527-1/-2

Elongation

23.0 °C

5 %

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ISO 527-1/-2

Impact strength, Charpy notched

23.0 °C

6 kJ/m²

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ISO 179/1eA

Impact strength, Charpy unnotched

23.0 °C

50 kJ/m²

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ISO 179/1eU

Poisson's ratio

23.0 °C

0.35 [-]

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Tensile strength

23.0 °C

110 MPa

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ISO 527-1/-2

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

4.7E-5 1/K

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ISO 11359-1/-2

Coefficient of thermal expansion, transverse

23.0 °C

7.5E-5 1/K

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ISO 11359-1/-2

Glass transition temperature

80 °C

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ISO 11357-1/-2 | 18°F/min

Heat deflection temperature, 0.45 MPa

255 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

222 °C

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ISO 75-1/-2

Melting point

263 °C

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ISO 11357-1/-3 | 18°F/min

Vicat softening temperature

240 °C

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ISO 306 | 90°F/h, 11 lbf

Flammability

Glow Wire Flammability Index, 40mil: 750 °C, Glow Wire Flammability Index, 80mil: 750 °C, Glow Wire Flammability Index, 120mil: 960 °C, Glow Wire Ignition Temperature, 40mil: 750 °C, Glow Wire Ignition Temperature, 80mil: 750 °C, Glow Wire Ignition Temperature, 120mil: 750 °C, FMVSS Class: B -, Burning rate, Thickness 1 mm: <80 mm/min

Electrical

PropertyTemperatureValueComment

Dielectric strength

23.0 °C

23 kV/mm

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IEC 60243-1

Dissipation factor, 100Hz

23.0 °C

0.01 [-]

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IEC 62631-2-1

Dissipation factor, 1MHz

23.0 °C

0.01 [-]

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IEC 62631-2-1

Volume resistivity

23.0 °C

1.00E+11 Ω·cm

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IEC 62631-3-1

Rheological Properties

PropertyTemperatureValueComment

Shrinkage

23.0 °C

0.9 %

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ISO 294-4, 2577

Shrinkage, transverse

23.0 °C

1.4 %

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ISO 294-4, 2577

Technological properties

Property
Fillers

20% Aramid Fiber

Processing methods

Drying Recommended: yes, Drying Temperature: 80°C, Drying Time, Dehumidified Dryer: 2-4h, Processing Moisture Content: ≤0.2%, Melt Temperature Optimum: 295°C, Min. melt temperature: 285°C, Max. melt temperature: 305°C, Max. screw tangential speed: 0.2m/s, Mold Temperature Optimum: 100°C, Min. mold temperature: 70°C, Max. mold temperature: 120°C, Hold pressure range: 50-100MPa, Hold pressure time: 3s/mm, Back pressure: As low as possible, Ejection temperature: 210°C