BMC Bulk moulding compound material,DMC dough molding compounds material,SMC BMC DMC material
BMC Buck Moulding Compounds are formulated to achieve close dimensional control flame and track resistance,electrical insulation corrosion and stain resistance,superior mechanical properties low shrink,and color stability.
Package and storage
DMC Molding Compounds Material are packaged in kraft bags or woven bags, about 25kgs per bag, 4 bags per layer, 8 layers per pallet and 32 bags about 1000kg net weight per pallet, Each 32 bags of products are packed by multilayer shrink film and firmly fixed on the pallet. Also, the product can be packed as the customers’ requires.
BMC DMC material should be stocked in dry and cool places. The best condition is with temperature between 15-35 centigrade, with a relative humidity between 30% and 70%. Please keep the product in its original packing before use and avoiding moisture.
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Physical Properties
No. Properties
UNIT
BMC-1
BMC-2
BMC-3
1
Specific gravity
g/cm3
1.75—1.95
2
Water absorption
mg
≤20
≤20
——–
3
Shrink rate
%
≤0.15
≤0.15
≤0.30
4
Heat deflection temperature
°C
≥240
≥240
≥220
5
Notched Izod impact strength
KJ /m2
≥30
≥25
≥20
6
Flexural strength
MPa
≥90
≥80
≥70
7
Insulation resistance
Normal
Ω
≥1.0×1013
≥1.0×1013
≥1.0×1012
24hours after soaking
≥1.0×1012
≥1.0×1012
——–
8
Dielectric strength (at 90°C in oil)
MV/m
≥12
≥12
≥10
9
Dielectric loss factor (at 1 MHz )
≤0.015
≤0.015
———
10
Dielectric constant ((at 1 MHz )
≤4.8
≤4.8
———
11
Surface resistivity
S
≥180
≥180
≥150
12
Tracking resistivity (PTI)
V
≥600
13
Flammability
FV0
FV0
———
14
Long term heat resistance temperature
155
155
130
Mechanical Properties
Properties
Unit
Data
Tensile Strength
Mpa
>50
Tensile Modulus
GPa
10
Flexural Strength
MPa
>100
Flexural Modulus
GPa
10
Compressive Strength
Mpa
>50
Compressive Modulus
GPa
10
Impact Strength
MPa
>50
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BMC/DMC Moulding Compounds Package
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BMC/DMC material used in electrical equipement and spare parts 
BMC/DMC material used in fiberglass handrail fitting and joint 
BMC/DMC material used in composite manhole cover and grid 
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