Diamond Dotted Press Paper DDP

Diamond dotted press paper DDP is suitable for turn-to-turn of coil wires on oil-immersed power transformer and suitable for layer insulation of coils on distribution transformers.

Product Details

Diamond dotted press paper DDP is suitable for turn-to-turn of coil wires on oil-immersed power transformer and suitable for layer insulation of coils on distribution transformers.

Diamond dotted press paper DDP


ItemUnitValue
Nominal Thicknessmm0.080.130.170.25
Thickness Tolerancemm±0.005±0.007±0.01±0.01
Norminal Grammageg/㎡80±8115±11160±16240±24
Standard Widthmm1000mm
Tensile StrengthLengthwiseMpa≥75

Crosswise≥35
Tear Strengthg≥50≥100≥150≥300
Breakdown VoltageKV≥0.8≥1.1≥1.4≥1.6
Bond StrengthKpa≥650
Moisture Content%4-8
Curing Temperature and Time90℃±5℃/3h or 130℃±5℃/6h
Storage Life month:6 months, room temperature, dry and well-ventilated environment


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