3021 Phenolic paper laminated sheet
1.Application:
It is used for the insulating spare parts of electrical appliances and transformers, high mechanical properties electrical and mechanical devices.
3021A, 3021B, 3021C (China standard) is in accordance with X, XX, XXX, XP, XXP, XXXP, XPC (NEMA standard)
2. Thermal grade: class E.
3.Thickness : 0.5-100mm Size: 1020x2020mm,980x1980mm,1220x2440mm
4. Color: Brown
5. The other size can be supplied according to customers’ requests.
※Products can be supplied sheets or shapes according to customer drawing
※Note: The values noted in above technical specification are given only for our customers’ reference and should not be used in writing specifications.
|
Properties |
Unit |
Index Value |
3021A(Fact Value) |
|
Flexural strength |
MPa |
≥120 |
126 |
|
Bonding strength (≥10mm in thickness) |
N |
≥3200 |
4100 |
|
Impact Strength |
KJ/m2 |
≥15 |
17.5 |
|
Tensile strength |
Mpa |
≥100 |
103 |
|
Insulation resistance |
Ω |
≥1.0×107 |
4.5×107 |
|
Dielectric strength perpendicular to laminations |
MV/m |
≥ 84 |
92 (90±5℃) |
|
Breakdown voltage parallel to laminations |
KV |
≥ 20 |
22 |
|
(in 20±5℃ transformer oil) |
|||
|
Permittivity (50Hz) |
— |
– |
– |
|
Permittivity (1MHz) |
— |
≤5.5 |
5 |
|
Dissipation factor (50Hz) |
— |
≤ |
– |
|
Dissipation factor (1MHz) |
— |
≤0.05 |
0.03 |
|
Density |
g/cm3 |
1.30-1.45 |
1.41 |
|
Water absorption (D-24/23, 1.6mm in tickness) |
mg |
≤182 |
163 |
|
Color |
— |
Organge |
|
|
Reference standard |
— |
Enterprise Standard |
