China 2715 2753 PVC Silicone Resin Coated Fiberglass Braided Electrical Insulation Sleeving, Find details about China 2715 Fiberglass Sleeving, PVC Fiberglass Sleeving from 2715 2753 PVC Silicone Resin Coated Fiberglass Braided Electrical Insulation Sleeving
Indicator name | unit | Index value | |||||||
Exterior | / | The coating should be uniform, the surface should be smooth, and there should be no defects affecting product performance. | |||||||
Inner diameter and wall thickness | mm | Inner diameter | Wall thickness | ||||||
Standard | tolerance | 406 | 407 | ||||||
Two way(±) | unidirectional(+) | Min | Max | Min | Max | ||||
0.3 | 0.05 | 0.10 | 0.20 | 0.30 | 0.15 | 0.30 | |||
0.5-0.8 | 0.10 | 0.20 | 0.25 | 0.50 | 0.20 | 0.50 | |||
1 | 0.15 | 0.3 | 0.25 | 0.9 | 0.20 | 0.75 | |||
1.5 | 0.15 | 0.3 | 0.35 | 0.90 | 0.20 | 0.75 | |||
2 | 0.20 | 0.40 | 0.35 | 0.90 | 0.20 | 0.75 | |||
2.5 | 0.20 | 0.40 | 0.40 | 0.90 | 0.20 | 0.75 | |||
3 | 0.25 | 0.5 | 0.40 | 0.90 | 0.20 | 0.75 | |||
4-6 | 0.25 | 0.5 | 0.50 | 0.90 | 0.30 | 0.75 | |||
8 | 0.50 | 1.00 | 0.50 | 1.20 | 0.30 | 0.90 | |||
10-25 | 0.50 | 1.00 | 0.65 | 1.20 | 0.40 | 0.90 | |||
Breakdown voltage | Numerical value | KV ≥ | Projectile slot or straight mandrel / 100mm foil electrode | Median | Lowest value | Median | Lowest value | ||
At room temperature | 5.7 | 4.3 | 3.0 | 2.5 | |||||
Under high temperature | 2.6 | 2.0 | 1.5 | 1.2 | |||||
After damp heat | 2.5 | 2.0 | 1.8 | 1.2 | |||||
Insulation resistance | At room temperature | Ω | - | ≥1.0×109 | ≥1.0×109 | ||||
After damp heat | ≥1.0×108 | ≥1.0×108 | |||||||
Flame spread | S | ≤60 | |||||||
- | Any one of the three samples indicates that the flag should not burn. Cotton is also not ignited by ignited or hot particles or ignited drops. | ||||||||
Solder heat resistance | - | Pass (only for nominal inner diameter ≤ 5mm hose) | |||||||
Bending after heating | - | No visible cracks or shedding of the coating (test temperature: 130±2°C, exposure time: 96±1h) | |||||||
Bending at low temperatures | - | No visible cracks or shedding of the coating (test temperature: ≤-25±2°C) |