1. Description: 3025 phenolic laminated sheet is made from cotton cloth impregnated with phenolic resin under pressure and heat. We can produce 3025,3026,CE,LE,C,L etc. With high mechanical strength and electrical properties
2.Specifications:
1) Thickness: 0.5-120mm
2) Width x length: 980 x 1,980mm ± 10mm; 1,000 X2,000mm ± 10mm ; 1030X(2000-2300) ± 10mm , (980-1030)x(980-1500) ± 10mm
3)Models: Include 3025A,3025B,3027,3028
3.Color: brown
4. Applications: 3025 Phenolic Laminated sheet is used for the insulating spare parts of electrical appliances and transformers, textile machines, gears, fixed frames for bearings and noise reduction.
Properties |
Unit |
Index Value |
Fact Value |
3025A(10 yarns) |
3025A(10 yarns) |
Density |
g/cm3 |
1.30-1.45 |
1.43 |
Flexural strength |
MPa |
≥91 |
98 |
Tensile strength |
Mpa |
≥55 |
57.5 |
Adhesive strength |
N |
≥5500 |
6310 |
Impact strength |
KJ/M2 |
≥6 |
7.2 |
Martens temperature |
°C |
≥125 |
126 |
Dielectric strength perpendicular to laminate (in 90°Ctransformer oil,) |
0.5-1mm |
kv/mm |
≥4.0 |
4.6 |
1.1-2mm |
≥3.0 |
3.8 |
2.1-3mm |
≥2.0 |
2.2 |
Reference standard |
Q/SSD001-2011 |
Properties |
Unit |
Index Value |
Fact Value |
3026(32 yarn) |
3026(32 yarn) |
Surface |
The surface is smooth, free of impurities and defects, allowing the minor abrasions |
Density |
g/cm3 |
1.30-1.40 |
1.38 |
Flexural strength |
MPa |
≥110 |
direction 122 |
cross 93.5 |
Maximum absorption rate |
% |
1 |
0.64(10mm) |
Adhesive strength |
N |
≥5500 |
7400 |
Impact strength |
KJ/M2 |
≥7.0 |
19.5 |
Dielectric strength perpendicular to laminate (in 90°C±2°Ctransformer oil, ) |
MV/m |
≥0.5 |
8.5(3mm) |
Breakdown voltage Parallel to lamination (in 90°C±2°Ctransformer oil,) |
kv |
≥1 |
20.5(10mm) |
Reference standard |
JB/T8149.2-2000 |