6641 F-DMD Flexible Composite Material-insulating

6641 F-DMD Flexible Composite Material-insulating paper 1.Basic information Thickness:0.15mm to 0.45mm Width:980-990mm Colour:White,pink and blue Sheets:approx.1000*900mm Tapes:from 10mm width upwards 2.Composition and application 6641 F-DMD is a three-layer flexible laminate insulating material consisting of polyester fiber non-woven fabric/polyester film/polyester fiber non-woven fabric.The used adhesive is F Class and acid-free and temperature resistant. 6641 F-DMD shows excellent electric insulating properties,heat resistance,mechanical strength and impregnated properties.It enables easy processing on automatic machines.It can be used in insulating slots,gaskets for electric machinery and interlayer insulation in transformers.Heat resistance is Class F. Special thickness and combinations can be supplied according to customer. 3.Package and other terms This product is usually supplied in rolls.The roll weight is 70±5kg/roll.It also can be supplied in forms of sheet and tape. 4.Main technical data NO. TechnicalSpecification Unite Values 1 Thickness mm 0.15 0.18 0.20 0.23 0.25 0.30 0.35 0.40 0.45 2 ThicknessTolerance mm ±0.02 ±0.025 ±0.03 ±0.03 ±0.03 ±0.03 ±0.035 ±0.040 ±0.045 3 NominalGrammageandtolerance g/ 140±20 190±28 220±33 260±39 300±45 350±52 425±63 500±75 560±84 4 Thicknessofpolyesterfilm mm 0.05 0.075 0.10 0.125 0.15 0.19 0.25 0.3 0.35 5 TensileStrength MD NoBending N/10 mmWidth ≥80 ≥120 ≥140 ≥180 ≥190 ≥270 ≥320 ≥340 ≥370 AfterBending ≥80 ≥105 ≥120 ≥150 ≥170 ≥200 ≥300 ≥320 ≥350 TD NoBending ≥80 ≥105 ≥120 ≥150 ≥170 ≥200 ≥300 ≥320 ≥350 AfterBending ≥70 ≥90 ≥100 ≥120 ≥130 ≥150 ≥200 ≥220 ≥250 6 Elongation MD NoBending ≥15 AfterBending ≥10 ≥5 ≥3 TD NoBending ≥20 AfterBending ≥10 ≥5 ≥2 7 BreakdownVoltage KV ≥6 ≥7 ≥9 ≥10 ≥12 ≥15 ≥18 ≥20 ≥22 8 Bondstrengthat25degreeC Nodelamination 9 Bondstrengthat180degreeC Nodelamination,noblister,noadhesiveflow 10 Temperature 155