Delrin® 300CP BK602

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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® 300CP is a medium-high viscosity acetal homopolymer with improved thermal stability and an outstanding balance of ease of processing and part performance. This black is formulated to maintain the mechanical properties of the natural.

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

1.42 g/cm³

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ISO 1183



Elastic modulus

23.0 °C

3.05 GPa

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ISO 527-1/-2


23.0 °C

40 %

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ISO 527-1/-2

Elongation at yield

23.0 °C

22 %

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ISO 527-1/-2

Impact strength, Charpy notched

-6.0 °C

9.5 kJ/m²

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ISO 179/1eA

23.0 °C

10 kJ/m²

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ISO 179/1eA

Poisson's ratio

23.0 °C

0.37 [-]

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Yield strength

23.0 °C

71 MPa

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ISO 527-1/-2

Impact strength, Charpy unnotched

No Break @ 23,-6°C, ISO 179/1eU



Heat deflection temperature, 0.45 MPa

163 °C

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ISO 75-1/-2

Heat deflection temperature, 1.80 MPa

100 °C

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ISO 75-1/-2

Melting point

178 °C

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ISO 11357-1/-3 | 18°F/min


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

Rheological Properties


Melt mass-flow rate

7 g/10min

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ISO 1133 | 190°C/2.16kg

Melt volume-flow rate

6 cm³/10min

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ISO 1133


23.0 °C

2.1 %

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ISO 294-4, 2577

Shrinkage, transverse

23.0 °C

1.8 %

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ISO 294-4, 2577

Technological properties

Processing methods

Drying Recommended: yes, Drying Temperature: 80°C, Drying Time, Dehumidified Dryer: 2-4h, Processing Moisture Content: ≤0.2%, Melt Temperature Optimum: 215°C, Min. melt temperature: 210°C, Max. melt temperature: 220°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