| BMC,SMC material characteristics: Not saturated polyester the resin glass fiber of the BMC,SMC strengthens the mold plastics.Should anticipate to have to bear to press,the anti- is strong and bears aging etc. characteristic of the , ,anti-, being applied in the electric power,correspond by letter extensively,the transportation athletics,city sets up etc. section. |
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BMC series mold plastics function index sign
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|
JB/T7770-1995
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|
Ordinal number
|
Index sign name
|
Unit
|
BMC-1
|
BMC-2
|
BMC-3
|
Examine the standard
|
|
1
|
Density
|
G/cm3
|
1.75-1.95
|
1.75-1.95
|
1.75-1.95
|
GB1033
|
|
2
|
Absorb water sex
|
mg
|
≤20
|
≤20
|
-
|
GB1034
|
|
3
|
Constringency rate
|
%
|
≤0.15
|
≤0.15
|
≤0.30
|
GB1404
|
|
4
|
Curve the intensity {Bent intensity}
|
Mpa
|
≥90
|
≥80
|
≥70
|
GB1042
|
|
5
|
Pound at the intensity
|
Kj/m2
|
≥30
|
≥25
|
≥20
|
GB1043
|
|
6
|
The thermal transforms the temperature
|
°C
|
≥240
|
≥240
|
≥220
|
GB1634
|
|
7
|
Insulation resistance
|
Normal
|
Ω
|
≥1.0X1013
|
≥1.0X1013
|
≥1.0X1012
|
GB1410
|
|
After soaking in water the 24 hs
|
≥1.0X1012
|
≥1.0X1012
|
-
|
|
8
|
Electricity intensity:In 90 ° C transformer oils
|
Mv/m
|
≥12.0
|
≥12.0
|
≥10.0
|
GB1408
|
|
9
|
The dielectric exhausts the factor(1 MHz)
|
-
|
≤0.015
|
≤0.015
|
-
|
GB1409
|
|
10
|
Opposite lie to give or get an electric shock the constant(1 MHz)
|
-
|
≤4.8
|
≤4.8
|
-
|
GB1409
|
|
11
|
Bear the arc electric
|
S
|
≥180
|
≥180
|
≥180
|
GB1411
|
|
12
|
Bearing the electric leakage rises the index(PTI)
|
V
|
≥180
|
≥180
|
≥600
|
GB4027
|
|
13
|
Combustion
|
级
|
FVO
|
FVO
|
-
|
UL-94
|
|
14
|
Long-term heat-proof sex temperature index
|
-
|
155
|
155
|
130
|
WEL型老化仪测试
|
|
| |
|
SMC series mold plastics performance beacon
|
|
JB/T7770-1995
|
|
Ordinal number
|
Index sign name
|
单位
|
BMC-1
|
BMC-2
|
BMC-3
|
Examine the standard
|
|
1
|
Density
|
G/cm3
|
1.75-1.95
|
1.75-1.95
|
1.75-1.95
|
GB1033
|
|
2
|
Absorb water sex
|
mg
|
≤20
|
≤20
|
-
|
GB1034
|
|
3
|
Constringency rate
|
%
|
≤0.15
|
≤0.15
|
≤0.30
|
GB1404
|
|
4
|
Curve the intensity {Bent intensity}
|
Mpa
|
≥170
|
≥150
|
≥135
|
GB1042
|
|
5
|
Pound at the intensity
|
Kj/m2
|
≥90
|
≥60
|
≥45
|
GB1043
|
|
6
|
The thermal transforms the temperature
|
°C
|
≥240
|
≥240
|
≥220
|
GB1634
|
|
7
|
Insulation resistance
|
Normal
|
Ω
|
≥1.0X1013
|
≥1.0X1013
|
≥1.0X1012
|
GB1410
|
|
After soaking in water the 24 hs
|
≥1.0X1012
|
≥1.0X1012
|
-
|
|
8
|
Electricity intensity:In 90 ° C transformer oils
|
Mv/m
|
≥12.0
|
≥12.0
|
≥10.0
|
GB1408
|
|
9
|
The dielectric exhausts the factor(1 MHz)
|
-
|
≤0.015
|
≤0.015
|
-
|
GB1409
|
|
10
|
Opposite lie to give or get an electric shock the constant(1 MHz)
|
-
|
≤4.5
|
≤4.5
|
-
|
GB1409
|
|
11
|
Bear the arc electric
|
S
|
≥180
|
≥180
|
≥150
|
GB1411
|
|
12
|
Bearing the electric leakage rises the index(PTI)
|
V
|
≥600
|
≥600
|
≥600
|
GB4027
|
|
13
|
Combustion
|
级
|
FVO
|
FVO
|
-
|
UL-94
|
|
14
|
Long-term heat-proof sex temperature index
|
-
|
155
|
155
|
130
|
WEL型老化仪测试
|
|
|
|
