We supply some kinds of automotive parts with high quality and good service.They are made from BMC materials and widely used in household appliance and automotive field.
Marking:
BMC.SMC material feature:BMC/SMC is named as instauration polyester resin glass fiber reinforced plastics .It's charactered as voltage-withstand, anti-erosion, flame resistance, anti-aging etc.. and widely used in electronic, communication, transportation , sports, urban construction ..
SN INDICATOR NAME UNIT DMC-1 DMC-2 DMC-3 TEST STANDARD
1 Relative Density G/cm3 1.75~1.95 1.75~1.95 1.75~1.95 GB1033
2 Water absorption mg ≤20 ≤20 - GB1034
3 Mould shrinkage % ≤0.15 ≤0.15 ≤0.30 GB1404
4 Flexural strength Mpa ≥90 ≥80 ≥70 GB1042
5 Impact strength Kj/m2 ≥30 ≥25 ≥20 GB1043
6 Temperature of
deflection under load dgree centigrade≥240 ≥240 ≥220 GB1634
7 Insulation
strength Normal Ω ≥1.0x1013 ≥1.0x1013 ≥1.0x1012 GB1410
24hours after
saturating ≥1.0x1012 ≥1.0x1012 -
8 Dielectric strength Mv/m ≥12.0 ≥12.0 ≥10.0 GB1408
9 Dielectric loss factor - ≤0.015 ≤0.015 - GB1409
10 Dielectric constant - ≤4.8 ≤4.8 - GB1409
11 Surface resistivity S ≥180 ≥180 ≥180 GB1411
12 Tracking resistance V ≥600 ≥600 ≥600 GB4027
13 Flamability rating Level grade FVO FVO - UL-94
14 Long-term heat
resistance temperature - 155 155 130 Test with WEL type
Ageing Instrument