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.
|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|
|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