Technical Support

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Technical Standard

1、international standard

Serial NumberTesting itemsunitdetection result test method 
1Tensile (elastic) modulusMpa1.62×104ISO527-2:1993
2bending strengthnormalMpa190ISO178:1993
130℃122
3Bending modulus (elasticity)Mpa9.8×103
4compressive strengthMpa165ISO604-1993(E)
5Impact strength (simply supported beam, no gap)KJ/㎡86ISO179-1:2000
6Impact strength (cantilever beam)KJ/㎡79ISO180:1982
7shear strengthMpa47IEC60893-2
8Flame retardancy (FV)LevelV-0UL94-2001
9Hot rodLevelBH2-8IEC60707:1981
10Electrical strength (Φ 20 ball electrode in normal oil)MV/m20.4IEC60243-1:1998
11Parallel layer breakdown voltageKv78.6IEC60243-1:1998
12Relative permittivity (1MHz)-----4.03IEC60250:1996
13Dielectric loss factor (1MHz)-----9.07×10-3
14insulation resistancenormalΩ8.9×1014IEC60176-:1964
After soaking in water for 24 hours3.0×1014
15Tracking resistance index (PTI)-----600IEC60112:1979
16Compared to the Tracking Index (CTI)-----600 
17Electrical trace resistance (2.5kV, 360min)-----1B2.5passedIEC60587:1984
Maximum erosion depthmm0.7
18Electrical trace resistance (2.5kV, 300min)-----1A2.5passedASTMD2303
Maximum erosion depthmm0.3
19Water absorptionmg25.8ISO62:2008
20densityg/cm31.70ISO1183-1:2004

Note: According to ASTM D2303, the 17th item uses the marking time method. After 300 minutes at a voltage of 2.5V, the marking does not reach a distance of 25mm from the lower electrode;

2. Sample size for item 18: 60mm x 60mm x 1mm.

 
 
 2、national standard

Reference standard numberJB/T 7770-19952009.4.20
productFiberglass molding compound测试标准
projectunitIndicator value-
modelUnitSMC－1SMC－2SMC－3DMC－1DMC－2DMC－3-
densityg/cm³1.75-1.951.75-1.951.75-1.951.75-1.951.75-1.951.75-1.95GB 1033-86
Water absorptionmg≤20≤20-≤20≤20-JB3961-85
Moulding shrinkage%≤0.15≤0.15≤0.30≤0.15≤0.15≤0.30JB3961-85
Hot deformation temperature (method A)℃≥240≥240≥220≥240≥240≥220JB3961-85
Impact strength (simply supported beam)kJ/m²≥90≥60≥45≥30≥25≥20GB1043-79
bending strengthMPa≥170≥150≥135≥90≥80≥70JB3961-85
insulation resistancenormalΩ≥1.0×1013≥1.0×1013≥1.0×1012≥1.0×1013≥1.0×1013≥1.0×1012GB10064-88
After soaking in water for 24 hours≥1.0×1012≥1.0×1012-≥1.0×1012≥1.0×1012－GB10064-88
Electrical strength (in transformer oil at 90 ℃)MV/m≥12.0≥12.0≥10.0≥12.0≥12.0≥10.0GB1408-89
Dielectric loss factor (1MHz)-≤0.015≤0.015≤0.015≤0.015≤0.015-GB1408-88
Relative dielectric constant (1MHz)-≤4.5≤4.5≤4.5≤4.5≤4.5-GB1409-88
Arc ResistanceS≥180≥150≥180≥180≥180≥180GB1411-88
Anti leakage Trace Index (PTI)V≥600≥600≥600≥600≥600≥600GB4207-84
combustibilityGrandFV0FV0-FV0FV0-GB11020-89
TEMPERATURE-155155130155155130JB3961-85
appearance-The surface of the component should be flat, smooth, without bubbles or cracks, and there should be no impurities in the molding compoundJB/T7770-1995
Product ApplicationExcellent electrical performance; High mechanical strength; Reliable flame retardancy and arc resistance; It has outstanding weather resistance, mildew resistance, aging resistance and corrosion resistance. This material has reliable dimensional stability and requires low temperature, low pressure, and short time during molding. Widely used in industries such as electrical engineering, automotive, construction, and railway.