1.Material: diphenyl ether resin, non-alkali glass cloth. Temperature classification: H class.

2.Funcation: It has high mechanical strength, heat resistance , and dielectric properties.

3.Standard: XB3017-84

4.Usage: It is used for H class transformer and electric motor insulation structural components and parts.

Item Units

Values

3240 3241 3250 350 341 3253 352      
Vertical layer direction bending strength
MPa 340 340 196 300 340
≥170(150℃)
400
≥280(180℃)
400  
Parallel layer direction impact strength
KJ/m2 33 133 78.4 150 147 50 50  
Water absorption mg 17-73     ≤0.4% 17-73 25-150    
Vertical layer direction electric strength (in 90+2℃ transformer oil) KV/mm 10.2-16.9 10-12 ≥12 ≥10 10.2-16.9   ≥10  
Vertical layer direction voltage resistance (in 90+2℃ transformer oil) KV   ≥9 ≥9 ≥9   9.0-31 ≥9  
Parallel layer breakdown voltage (in 90+2℃ transformer oil) 1 MIN KV ≥35 ≥35 ≥35   ≥30 35(1min)    
Dielectric constant   ≤5.5 ≥5 ≥5.5 ≥5.5 ≤5.5 ≤5.5(1MHZ) ≥5.5  
Dielectric loss factor   ≤0.4       ≤0.4 ≤0.03    
Surface resistivity Ω ≥1.0×1013 1.0×1013 ≥1.0×10 13   ≥1.0×1013      
Volume resistivity normal MΩ.m ≥1×105 ≥1×105 ≥1×105 ≥1×105 ≥1×104   ≥1×10 4
Impregnated in water ≥1×103 ≥1×103 ≥1×103 ≥1×103 ≥1×102   ≥1×103