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High Voltage Fiberglass-coated Silicone Rubber Tube
HRT is made of extruded silicone rubber tube, woven fiberglass on the outside, coated with silicone resin paint and processed at high temperature. It has good dielectric strength, good flexibility and flame retardant. It is widely used for insulation protection of high-demand H-class motors, household electrical appliances, electric heating equipment, etc.
Size(mm) | W.T. (mm) | Packaging Standard (mts/rolls) | ||
I.D. | Tol. | Silicone Rubber Tubing | Fiberglass Braid | |
1.0-2.5 | +0.20 | 0.40-0.50 | 0.20-0.30 | 100 |
3.0-4.0 | +0.25 | 0.50-0.60 | 0.20-0.30 | 100 |
5.0-6.0 | +0.30 | 0.50-0.60 | 0.25-0.35 | 100 |
7.0-8.0 | +0.40 | 0.60-0.70 | 0.30-0.40 | 50 |
9.0-10.0 | +0.50 | 0.70-0.80 | 0.35-0.45 | 50 |
Performance | Result | ||
Avg. | Min. | ||
HRT | Dielectric voltage breakdown (V) | 7000 | 5000 |
Electrical | Voltage rating (V) | 600 | |
Volume resistivity (Ω.cm) | ≥1011 | ||
Physical | Temperature rating (℃) | - 40 ~ + 200 | |
Chemical | Aging(separate specimens) in a circulating-air oven | 265℃±5℃×6HOriginal voltage value | |
Cold bend | No cracking | ||
Self-extinguishing time(s) | 10 | ||
Flammability | VW-1 |
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