Zytel® HTN51G35HSLR BK420J

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Zytel® HTN51G35HSLR BK420J is a 35% glass reinforced, heat stabilized, lubricated, hydrolysis resistant high performance polyamide resin with improved surface appearance. It is also a PPA resin.

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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23.0 °C

1.46 g/cm³

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ISO 1183



Elastic modulus

23.0 °C

11.5 GPa

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ISO 527-1/-2


23.0 °C

2.6 %

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ISO 527-1/-2

Flexural modulus

23.0 °C

10.3 GPa

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ISO 178

Impact strength, Charpy notched

23.0 °C

11 kJ/m²

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ISO 179/1eA

Poisson's ratio

23.0 °C

0.33 [-]

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Tensile strength

23.0 °C

215 MPa

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ISO 527-1/-2



Glass transition temperature

135 °C

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ISO 11357-1/-2 | 18°F/min

Heat deflection temperature, 1.80 MPa

264 °C

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ISO 75-1/-2


FMVSS Class: B -, Burning rate, Thickness 1 mm: 23 mm/min

Rheological Properties



23.0 °C

0.2 %

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ISO 294-4, 2577

Shrinkage, transverse

23.0 °C

0.5 %

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ISO 294-4, 2577

Technological properties


35% Glass Fiber

Processing methods

Drying Recommended: yes, Drying Temperature: 100°C, Drying Time, Dehumidified Dryer: 6-8h, Processing Moisture Content: ≤0.1%, Melt Temperature Optimum: 325°C, Min. melt temperature: 320°C, Max. melt temperature: 330°C, Mold Temperature Optimum: 150°C, Min. mold temperature: 140°C, Max. mold temperature: 180°C