Heat Shrinkable Tubing
Heat shrinkable tubing provides a durable, environmentally sealed covering for wires, cables, and connections. It is suitable for cable termination and intermediate connecting insulation protection.
Technical Specifications
Product Overview
High-Performance Heat Shrinkable Tubing
The MR3 series heat shrinkable tubing is designed for medium voltage applications up to 36kV, providing reliable insulation and protection for cable terminations and intermediate connections. Featuring a thick-wall construction with a 3:1 shrink ratio, it offers excellent resistance to corrosion, UV radiation, and weathering. This halogen-free solution ensures superior electrical and mechanical integrity, making it ideal for protecting against moisture and pressure in demanding environments.
Key Features
- Product Highlights
- Halogen-freeUV ResistantCorrosion ResistantWeather ResistantThick Wall
Technical Specifications
Color Standard
Black
- Shrinkage Ratio
- 3:1
- Operating Temperature Range
- -40°C to +110°C
- Max Voltage Rating
- 36 kV
- Standards
- IEC 60684
Dimensional Data
Standard Sizes and Dimensions
| Type | Application Range (mm) | Expanded D(min) (mm) | Recovered d(max) (mm) | Wall W(min) (mm) |
|---|---|---|---|---|
| MR3 13/4 | 4.5-8 | 13 | 4 | 2.4 |
| MR3 20/6 | 6.5-14 | 20 | 6 | 2.5 |
| MR3 33/8 | 9-23 | 33 | 8 | 3.2 |
| MR3 43/12 | 13-30 | 43 | 12 | 4.3 |
| MR3 51/16 | 17-35 | 51 | 16 | 4.35 |
| MR3 65/19 | 21-45 | 65 | 19 | 4.35 |
| MR3 75/22 | 24-52 | 75 | 22 | 4.35 |
| MR3 85/25 | 27-60 | 85 | 25 | 4.35 |
| MR3 105/30 | 32-75 | 105 | 30 | 4.35 |
| MR3 130/36 | 38-91 | 130 | 36 | 4.3 |
| MR3 160/50 | 55-112 | 160 | 50 | 4.3 |
Performance Data
Material Performance Requirements
| Property | Requirement |
|---|---|
| Tensile Strength | >13 MPa |
| Elongation at Break | >350% |
| Longitudinal Shrinkage | +5% to -15% |
| Bending at Low Temp (-40°C) | No cracking |
| Volume Resistivity | >10^12 Ω.m |
| Water Absorption | <0.2% |
| Breakdown Strength | >10 KV/mm |
| Change in Weight | <10% |
