Phenolic Papper Laminate
Characteristics of Phenolic Paper Laminated Sheet:
The Phenolic paper laminated sheet is a kind of insulation sheet made from phenolic resin and cellulose paper and has good electrical performance under normal condition. The products can be made into insulating parts of electric machinery and electrical equipment that requires high electrical and mechanical performance. It can be used in transformer oil.
Technical Parameter of Phenolic Paper Laminated Sheet:
Normal Dimension:
1020mmx1020mm 1020mmx1220mm 1020mmx2040mm 1220mmx2470mm Normal Thickness:
0.5mm to 50mm
Phenolic Paper Laminated Sheet
Properties Unit Grade
3020 3021 3021B 3021C 3021D
Flexural strength perpendicular to laminations ≥ Mpa 120 120 90 90 120
Bonding strength ( ≥ 10mm in thickness) ≥ N 3600 3200 3000 2800 3600
Insulation resistance after impregnated in water (D-24/23) ≥ Ω -- 1.0 × 10 7 -- -- --
Dielectric strength perpendicular to laminations (in 90 ± 2 Centigrade transformer oil, 1 mm in thickness) ≥ MV/m 15.8(E-96/105) 12.1 14(20 ± 5 ) 12(20 ± 5 ) 16(20 ± 5 )
Breakdown voltage parallel to laminations (in 90 ± 2 Centigrade transformer oil) ≥ KV 35(E-96/105) 20 12(20 ± 5 ) 8(20 ± 5 ) 14(20 ± 5 )
Permittivity (48-62Hz) ≤ -- 5.5 -- -- -- --
Permittivity (1MHz) ≤ -- -- 5.5 -- -- --
Dissipation factor (48-62Hz) ≤ -- 0.05 -- -- -- --
Dissipation factor (1MHz) ≤ -- -- 0.05 -- -- --
Density g/cm 3 ( 1.30-1.40) ( 1.30-1.40) ( 1.30-1.45) ( 1.30-1.45) ( 1.30-1.45)
Water absorption (D-24/23,1.6mm in thickness) ≤ mg 204 182 -- -- --
Color -- Natural Natural Chocolate Chocolate Natural
Reference standard -- JB/T8149.1-2000 Enterprise Standard
Characteristics & Applications:
1. 3020: High voltage applications at power frequencies. High electrical strength in oil. Good electrical properties in air under normal humidity.
2. 3021: Suitable for mechanical applications and electrical applications; good electrical properties in air under normal humidity; suitable for hot impact machining.
3. 3021B, 3021C: Economical products versus 3021, with lower properties than 3021.
4. 3021D: Substitute for cotton cloth laminate, suitable to substitute majority of 3025B, 3025C and some of 3025 cotton cloth laminates.
Contact:
rickxu2030#gmail.(dot)com Rick
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