Product Description
EPGC203,EPGC204 plates are from 7628 glass cloth with epoxy resin Baptist,formed by hot pressing.Products with high mechanical properties.
EPGC203 epoxy glass cloth laminate applied to F-class motors,electrical equipment for insulation of structural parts.
EPGC204 epoxy glass cloth laminated sheets have flame-retardant requirements applicable to the F-class motors,electrical equipment for insulation of structural parts.

Technical parameters

No Item Units Indicators
1 Density g/sqcm 1.7-1.9 1.7-1.9 1.8-2.0 1.8-2.0
2 Vertical layer to the bending strength Vertical Mpa 340 340 340 340
Horizontal 250 250 170 170
3 Impact strength (simply supported beam method,notched specimen) KJ/sqm 37 37 34 34
4 Vertical Flammability Grade FV-0 FV-0
5 Adhesive strength N 6500 6500
6 Insulation Resistance Normal Ω
Water after 24h
7 Parallel to the layer high voltage((90ºC+2ºC oil)) KV 35 35 5 5
8 Vertical layers to the electrical strength(90ºC+2ºC oil) 0.5-1mm MV/m 0 20 20 20
1.1-2mm 18 18 18 18
2.1-3mm 16 16 16 16


  1. Composite insulating bolt

Using glass fiber impregnated in epoxy resin matrix pultrusion and after high temperature,Using the full NC vacuum release pultrusion technology production line,the line reached the leading domestic level,with online speed tracker,temperature control system,improves the insulating rod uniformity and heat resistance than and unsaturated resin rod production equipment has better stability,control,Products applicable to the electrolytic tank in electrolytic aluminum plant short crossing as insulating bolt.
Technical parameters

No. Item Units Indicators
1 Density g/sqcm 2.1
2 Tensile strength Mpa 1200
3 Siphon test Min 15
4 Water diffusion test MA 0.5
5 Stress corrosion resistance h 96
6 Bending strength Mpa 230
7 Volume resistivity Ω.m 10
8 Fiber content % 80
9 Power frequency voltage KV 50
10 Full wave impulse voltage KV 100
11 Water absorption rate % 0.05
12 Flame retardant V0


  1. Polymer Composite insulated rod

Glass fiber yam in the high-temperature epoxy matrix impregnated pultrusion formed at high temperature,This product has:high pressure,corrosion,deformation is not hierarchical,long life and stable mechanical properties,excellent insulation properties and so on.Products particularly tensile strength,outstanding tensile strength to 1360Mpa or more,The product is the ideal common alternative to epoxy board.

Polymer composite insulation rod
Using glass fiber impregnated in epoxy resin matrix pultrusion and after high temperature,The product has:light weight,machinery stable performance,excellent insulation performance,can override the 10KV-1000KV voltage range,Tensile properties of products is highlighted particularly,the tensile strength is 1360Mpa or above,significantly more than 45casting steel tensile strength 570Mpa index.Composite insulator composite dielectric properties provides reliable basis,The company production of the mandrel are:General mandrel,high temperature,acid,high temperature resistant mandrel mandrel acid-resistant core bar of four major series of products.

Technical parameters

No. Item Units Common type Acid resistant
1 Density(20ºC±2ºC) g/sqcm 2.1 2.1
2 Water absorption rate(23ºC±1ºC,24h) % 0.05 0.05
3 Tensile strength Mpa 1200 1200
4 Siphon test Min 15 15
5 Water diffusion test MA 0.5
6 Volume resistivity(140ºC.96h) Ω.m
7 Stress corrosion resistance h 96
8 DC breakdown voltage KV 50 50
9 Lightning impulse voltage(100KV) Times 5 5
10 Hot bending failure load test(143ºC+1ºC) % 230 230
11 Flame retardant V0 V0