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1,Temperature grade: B glass (130 centigrade)
2,Size: 1020x2040mm;1020 x 2020mm;
3,Thickness: 0.5-100mm
4,many colors
Models: 3240 sheet: High mechanical and electrical applications, suitable for insulation structural parts of machinery and electric equipments under wet condition, available in transformer oil and humidity.
3240B sheet and 3240C sheet are similar to 3240, but with lower properties.
Application:
Epoxy glass cloth laminated sheets(insulation sheet,industry laminate sheet,Epoxy sheet) are made of alkali-free E-glass cloth impregnated with epoxy resins and phenolic resins by processing under heat and pressure. Epoxy glass cloth sheet can be processed into all kinds of insulation parts, The products are widely used transformers, electric motors, cabinets, control boxes, electric switches, household appliances, railway, automobile, computer and medical appliance,etc.
Specifications:
No | Item | Unit | Value | |
3240 | 3240-1 | |||
1 | Applicable Standards | — | GB1302-77 | QB |
2 | Density | g/cm3 | 1.70-1.90 | 1.80-2.00 |
3 | Martens heat resistance≥ | °C | 180 | 120 |
4 | Bending strength perpendicular to lamination ≥ | Mpa | 340 | 320 |
5 | Bonding strength≥ | N | 5600 | 5000 |
6 | Impact strength parallel to laminations(charpy) ≥ | KJ/m2 | 33 | 30 |
7 | Loss factor(48-62Hz)≤ | — | 0.05 | — |
8 | Ralative permititivity (48-62Hz)≤ | — | 5.5 | — |
9 | Voltage endurance perpendicular to lamination(in oil 90±2°C),≥ Thinckness:0.5~1mm Thinckness:1.1~2mm Thinckness:2.1~3mm | KV/mm | 22 20 18 | — — 13.5 |
10 | Voltage endurance parallel to lamination(in oil 90±2°C)≥ | KV | 1.0*1010 1.0*108 | 1.0*109 1.0*106 |
11 | Insulation resistance after Impregnated in water ≥ | Ω | 5*108 | 1*108 |
12 | Temperature index | °C | 155 | 120 |
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