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PBI vs. Melamine Moulding Compound

Both PBI and melamine moulding compound are thermoset plastics. There are 5 material properties with values for both materials. Properties with values for just one material (24, in this case) are not shown.

For each property being compared, the top bar is PBI and the bottom bar is melamine moulding compound.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.3 to 1.9
Dielectric Strength (Breakdown Potential), kV/mm 23
4.4 to 11
Flexural Strength, MPa 220
45 to 160
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 430
170 to 230
Water Absorption After 24 Hours, % 0.4
0.13 to 0.53