The used adhesive is acid-free and temperature resistant.
6630 B-DMD shows excellent electric insulating properties, heat resistance, mechanical strength and impregnated properties. It enables easy processing on automatic machines. It can be used e.g. As slot and phase insulation in low voltage machines or as interlayer insulation in transformers. Heat resistance is Class B.
Note: The properties of this product are different according to the thickness of the polyester film. So please tell us the thickness of the polyester film when you purchase our product..
NO. | Technical Specification | Unit | Value | ||||||||||
1 | Thickness | mm | 0.15 | 0.18 | 0.2 | 0.23 | 0.25 | 0.3 | 0.35 | 0.4 | 0.45 | ||
2 | Thickness Tolerance | mm | ±0.02 | ±0.025 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.035 | ±0.040 | ±0.045 | ||
3 | Nominal Grammage and Tolerance | g/m*m | 140±20 | 190±28 | 220±33 | 260±39 | 300±45 | 350±52 | 425±63 | 500±75 | 560±84 | ||
4 | Thickness of polyester film | mm | 0.05 | 0.075 | 0.1 | 0.125 | 0.15 | 0.19 | 0.25 | 0.3 | 0.35 | ||
5 | Tensile Strength | MD | No Bending | N/10 mm width | ≥80 | ≥120 | ≥140 | ≥180 | ≥190 | ≥270 | ≥320 | ≥340 | ≥370 |
After Bending | ≥80 | ≥105 | ≥120 | ≥150 | ≥170 | ≥200 | ≥300 | ≥320 | ≥350 | ||||
TD | No Bending | ≥80 | ≥105 | ≥120 | ≥150 | ≥170 | ≥200 | ≥300 | ≥320 | ≥350 | |||
After Bending | ≥70 | ≥90 | ≥100 | ≥120 | ≥130 | ≥150 | ≥200 | ≥220 | ≥250 | ||||
6 | Elongation | MD | No Bending | ≥15 | — | — | |||||||
After Bending | ≥10 | ≥5 | ≥3 | ||||||||||
TD | No Bending | ≥20 | — | — | |||||||||
After Bending | ≥10 | ≥5 | ≥2 | ||||||||||
7 | Breakdown Voltage | KV | ≥6 | ≥7 | ≥9 | ≥10 | ≥12 | ≥15 | ≥18 | ≥20 | ≥22 | ||
8 | Bond strength at 25 degree C | — | No delamination | ||||||||||
9 | Bond strength at 155 degree C | — | \\ No delamination, no blister, no adhesive flow | ||||||||||
10 | Temperature | ℃ | 130 |