DDP Insulation Paper Electronic Diamond Dotted Paper

DDP Insulation Paper Electronic Diamond Dotted Paper Description

 Dimond dotted paper DDP
1. Manufacture procedure: DDP is produced by insulating paper with diamond-shape epoxy resin dotted on both sides.The epoxy resin used in D.D.P.contains a kind of incubative hardener materialit is a dry and crisp material at normal temperature(below 35°C).
2.Characters:This product has good dielectric properties and excellent mechanical properties after being heat-solidification.
3.Application: It can be as interturn insulation material for coils of oil immersed transformer and interlayer insulation of distribution.
4.Specification: Thickness: 0.08mm0.13mm0.18mm0.20mm0.25mm.

Specified Properties Units Standard
Appearance Single, double sides with uniform diamond dotted coating, smooth, and free of impurities.
Thickness Mm 0.075 0.08 0.13 0.18 0.200.25 0.30 0.35
Density g/mm^3 0.95 – 1.15
Tensile strength Min N/mm^2 MD 70 – 90
CMD 40 – 50
Elongation Min % MD 2.0 – 3.0
CMD 7.0 – 9.0
Breakdown voltage Min KV/mm In air  11-12
In oil  45-50
Oil Absorption Min % 8
Moisture Content % 4.0-8.0
Resin’s Content Min % 7  6  5  4  3.5
Ash Content Max % 1
Adhesion Strength Min kPa 450
width  mm 1000 or can be cut as user’s requirements.

DDP Insulation Paper Electronic Diamond Dotted Paper Images

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