Diamond Dotted Polyester Film Ddm

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DIamond dotted polyester film ddm

diamond dotted polyester film

Diamond dotted polyester film, also known as DDM. It is a main insulation material made from polyester film with diamond-shape epoxy resin dotted on.

It is mostly used in electrical equipment like mutual inductors, transformers and etc..

No.ItemUnitIndex Value
1Base Material Thicknessmm0.050.070.01
2Base Material Thickness Tolrancemm±0.005±0.007±0.01
3Quantitative and Deviationg/m382±3102±2144±2
4Tensile Strength (lengthways)Mpa≥150
5Breakdown VoltageV≥6000≥8000≥9000
6Tensile StrengthKpa≥350
7Shrinking Percentage%≤3

Storage life: 6 months, room temperature, dry and well-ventilated environment

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