Silicone Rubber Fiberglass Sleeving
Withstand voltage: 4KV
Insulation grade: H grade
Color: yellow
Length: 1m
Inner diameter: 1-35mm
Description
Type: 2751 Silicone Rubber Fiberglass Sleeving
Withstand voltage: 4KV
Insulation grade: H grade
Color: yellow
Length: 1m
Inner diameter: 1-35mm
Silicone rubber fiberglass sleeving is an electrical insulating sleeve made of braided alkali-free glass yarn, coated with silicone rubber, heated and vulcanized.
| Properties | Unit | Value | |||||||
| Appearance | / | The coating should be uniform and the surface should be smooth, with no defects affecting the product performance. | |||||||
| Inner diameter and wall thickness | mm | Inner diameter | Wall thickness | ||||||
| Standard | Tolerance | ||||||||
| Two-way | One-way(+) | Min | Max | ||||||
| (±) | |||||||||
| 1 | 0.2 | 0.4 | 0.2 | 0.6 | |||||
| 1.5 | 0.2 | 0.4 | 0.2 | 0.6 | |||||
| 2 | 0.2 | 0.4 | 0.2 | 0.7 | |||||
| 2.5—3.0 | 0.2 | 0.4 | 0.2 | 0.7 | |||||
| 4.0—6.0 | 0.25 | 0.5 | 0.3 | 0.7 | |||||
| 8 | 0.25 | 0.5 | 0.3 | 1 | |||||
| 10 | 0.5 | 1 | 0.4 | 1 | |||||
| 12 | 0.5 | 1 | 0.4 | 1.2 | |||||
| 16—20 | 1 | 2 | 0.4 | 1.2 | |||||
| 25 | 1 | 2 | 0.4 | 1.4 | |||||
| Breakdown voltage | Value | KV ≥ | Pellet slot or straight core bar/100mm foil electrode | Mid-value | Minimum value | Mid-value | Minimum value | ||
| Under room temperature | 5.7 | 4.3 | 3.3 | 2.5 | |||||
| Under high temperature | 4.5 | 3.3 | 2.5 | 1.8 | |||||
| After hot and humid | 4 | 3 | 2.1 | 1.5 | |||||
| Insulation resistance | Under room temperature | Ω | — | ≥1.0×1011 | |||||
| After hot and humid | ≥1.0×1010 | ||||||||
| Fire spreadability | Burning time | S | ≤60 | ||||||
| Visual inspection | — | The indicator flag should not burn on any of the three specimens. Nor should the cotton be ignited by ignited or burning particles or by ignited drops. | |||||||
| Soldering heat resistance | — | Pass (Only for sleeve with nominal inner diameter ≤ 5 mm) | |||||||
| Volatile content | Low content level | % | — | ≤1.0 | ≤0.7 | ||||
| Other level | ≤1.5 | ≤1.5 | |||||||
| Bending after heating | — | The coating has no visible cracks or peeling off, allowing the color to become darker (test temperature: 180±3℃) | |||||||
| Bending at low temperatures | — | The coating has no visible cracks or peeling off (test temperature: ≤-70～5℃) | |||||||
| Hydrolysis resistance of paint layer | — | There is no migration of the coating, no adhesion between the hose and the paper and the hose test piece, and no discoloration of the paper. | |||||||
| Shelf life | — | 6 months | |||||||
Advantage:
Silicone rubber fiberglass sleeving has certain dielectric properties, high heat resistance, excellent elasticity, cold resistance and aging resistance.
Application:
Silicone rubber fiberglass sleeving is suitable for wiring and mechanical protection of motor and electric appliance with high requirements.
Notice:
1. During slitting and use, edge gaps and cracks should be prevented to avoid tearing during operation and to avoid surface scratches, oil and dust pollution.
2. Store in an environment below 40℃, keep clean and dry, away from heat sources, and avoid direct sunlight.
3. The storage period is one year. If it exceeds the storage period, it can still be used if it passes the test according to the technical requirements.
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