Electrical Insulation Sheet

Home » Electrical Insulation Sheet

Phenolic Paper Sheet

Phenolic Paper Sheet

Thickness :2mm-50mm
Sizes: 3000mm*1500mm(support customize)
Heat resistance rating: Class E (120 ° C)
Free Samples!
Factory Wholesale Price


Phenolic Bakelite Paper Board Description:

Phenolic laminate paper-base sheet is made of insulating impregnated paper soaked in hot pressed phenolic resin. High mechanical and electrical properties. The product is used to make insulating structural components in motors and electrical equipment with high mechanical performance, and can be used in transformer oil.

Bakelite Phenolic Paper Sheet Trait:

1. High electrical and mechanical performance.

2. Easy for fabricaion, good dimentional stability, physical strength, resiliency.

3. Better machinability than other product

Phenolic Bakelite Paper Board Parameter:

Standard GB/T 1303-2009 / IEC60893-2003
Basic Information Chinese Name 3021
Basic Material  Paper
Resin Phenolic
Color  Red Brown
No. Test Item Unit Value
1 Density g/m³ 1.25~1.4
2 Vertical Layer Bending Strength (normal) MPa ≥120
3 Vertical Layer Electrical Strength(90℃transformer oil)(1mm thickness) Kv/mm ≥15.8
4 Parallel Layer Breakdown Voltage(90℃transformer oil) kv ≥35
5 Dielectric Constant (50Hz) ≤5.5(1MHz)
6 Proof Tracking   Index(PTI) ≥100
7 Temperature Index 120
8 Water Absorption(1-20mm thickness) mg 180~970
Note:Range values are measured for different thicknesses


Leave us a message to get quotation and sample!

If you are attractive to our products, please send us a message and we will contact you as soon as we receive it. Email: whatsApp: +8615716749170

Online Chat whatsApp Inquiry