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ASTM D704 Type 5 Unreinforced Melamine Compound

ASTM D704 type 5 is a grade of melamine moulding compound. The graph bars on the material properties cards below compare ASTM D704 type 5 to other thermoset plastics (top) and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi)

170 °C 330 °F

Solidification (Pattern Maker's) Shrinkage

1.0 %

Other Material Properties


1.3 g/cm3 83 lb/ft3

Flexural Strength

75 MPa 11 x 103 psi

Water Absorption After 24 Hours

0.31 %

Followup Questions

Further Reading

ASTM D704: Standard Specification for Melamine-Formaldehyde Molding Compounds

Thermosets: Structure, Properties and Applications, Qipeng Guo (editor), 2012

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015