6641 (634) (DMD-F) Modified Polyester Film/Polyester Non-woven Fiber Flexible Composite Material

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6641  (DMD-F) Modified polyester film/polyester non-woven fiber flexible composite material

634 (DMD-F)Modified Polyester Film/Polyester Non-woven Fiber Flexible Composite Material

Application: High electrical and mechanical properties. Used as the slot insulation and insulation between phases for Y-2 series motor.

Characteristics:Temperature classification is F. 

Standards: Q/XB6017-2006

 6641 (634) (DMD-F) Technical Characteristics

No Item Unit Normal Value
1 Nominal thickness mm 0.15 0.20 0.25 0.30 0.35
2 Thickness tolerance mm ±0.02

±0.03		 ±0.03

±0.04		 ±0.04

±0.05		 ±0.05

±0.06		 ±0.06

±0.07
3 Width mm ≥800
4 Tensile strength Lengthwise Normal N/10mm ≥80 ≥120 ≥150 ≥170 ≥200
bended ≥80 ≥105 ≥130 ≥150 ≥180
Crosswise Normal ≥80 ≥105 ≥130 ≥170 ≥180
bended ≥70 ≥95 ≥120 ≥150 ≥160
5 Elongation Lengthwise Normal % ≥10 ≥10 ≥10 ≥5 ≥5
bended ≥10 ≥10 ≥10 — —
Crosswise Normal ≥10 ≥10 ≥10 ≥5 ≥5
bended ≥10 ≥10 ≥10 — —
6 Volume resistivity RT MΩm ≥ 1.0×106
At 155±2℃ ≥ 1.0×104
After being humidified ≥ 1.0×104
7 Breakdown voltage RT KV ≥6.0 ≥8.0 ≥10.0 ≥12.0 ≥13.0
At 155±2℃ ≥5.0 ≥7.0 ≥9.0 ≥10.0 ≥13.0
8 Stiffness Lengthwise — ≥15 ≥20
Crosswise ≥26 ≥30
9 23±2℃Bonding strength at room temperature    — No Delamination
10 Bonding strength at (180±2) ℃ for 10min — No delamination, blister and gummosis

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