Send Inquiry
Description:
1. Insulation Class B2. Excellent dielectric properties
3. High mechanical tensil strength
4. Excellent machinability6630 polyester thinfilm non woven soft composite material 6630 polyester thin film nonwoven soft composite material is one type of three layers compositematerial which formed by one layer of polyester thin film thenpressed two layers of non woven fiberglass soft composite, 6631polyester composite material is one type of four layers compositematerial which formed by two layers of polyester thin film togetherwith two layers of non woven cloth.The two type materials arewidely used as insulation pad of small electricalmachines. Specification:
| No. | Index name | Index | ||||||
| 1 | Standard thickness(mm) | 0.20 | 0.23 | 0.25 | 0.30 | 0.35 | ||
| 2 | Tolerance of thickness(mm) | ±0.030 | ±0.030 | ±0.030 | ±0.030 | ±0.035 | ||
| 3 | Weight (g/sq.m) | 220±33 | 260±39 | 300±45 | 350±52 | 425±63 | ||
| 4 | Thickness of thin film(um) | 100 | 125 | 150 | 190 | 250 | ||
| 5 | TensilestrengthN/10mm | longitudinal | BeforeBuckling | ≥90 | ≥135 | ≥150 | ≥180 | ≥210 |
| After buckling | ≥70 | ≥80 | ≥90 | ≥100 | ≥120 | |||
| Lateral | Before buckling | ≥60 | ≥80 | ≥90 | ≥100 | ≥120 | ||
| After buckling | ≥40 | ≥60 | ≥60 | ≥70 | ≥80 | |||
| 6 | Breakdown voltage(kv) before buckling | ≥9.0 | ≥10.0 | ≥12.0 | ≥15.0 | ≥18.0 | ||
| 7 | After buckling | |||||||
| 8 | Normalcohesiveness | Non layered | ||||||
| 9 | Heat cohesiveness 130±2,10min | Non layered, non bubble, nonsticking. | ||||||


