Bulk Molding Compound (BMC) / Dough Molding Compound (DMC)

BMC or DMC is a kind of composite materials made by a special process with unsaturated resin, glass fiber, low shrinkage additives, fillers, curing agent, release agent and various additives. Technic Data No. Project Units Item data DMC-1……

BMC or DMC is a kind of composite materials made by a special process with unsaturated resin, glass fiber, low shrinkage additives, fillers, curing agent, release agent and various additives.

Technic Data
No. Project Units Item data
DMC-1 DMC-2 DMC-3
1 Density g/cm3 1.75–1.95
2 Water absorption mg ≦20 __
3 Mould plastic shrinkage rate % ≦0.15 ≦0.30
4 Thermal Shrinkage temreture(A) ≧240 ≧220
5 Impact strength (simple beam, no gap) kJ/m2 ≧30 ≧25 ≧20
6 Bending strength Mpa ≧90 ≧80 ≧70
7 Insulation resistance(Normal) ≧0.1*1013 ≧0.1*1012
Insulation resistance(soaking 24h) ≧0.1*1012
8 Dielectric strength(90℃ oil soaking) MV/m ≧12 ≧10
9 Dielectric loss factor(1MHZ) _ _ ≦0.015
10 Relative dielectric constant (1MHZ) _ _ ≦4.8
11 Arc Resistant s ≧180
12 Resistance to traceability index (PT I) V ≧600
13 Flammability Class Fvo
14 Heat resistance of long time temperature _ _ 155 130

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