China Electrical Insulation Materials 2715 PVC Fiberglass Sleeving, Find details about China Fiberglass Sleeving, Insulation Materials from Electrical Insulation Materials 2715 PVC Fiberglass 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) |