This product is a heat-vulcanized silicone rubber compound, preferably platinum vulcanized or di-tetra-vulcanized, suitable for extrusion processing, with excellent mechanical properties, high tear strength, and excellent comprehensive performance.
Features：
Good roller processing performance, non-stick roller, easy roller, moderate plasticity.
Good extrusion performance, smooth extrusion. Good extrusion surface.
Application：
1. Extrusion of electrical insulation layer, sheath layer, etc. of wires.
2. Production of high-voltage and low-voltage cables for automobiles, cables for ships, etc., in accordance with standards LV112, LV216, ISO6722, QC/T1037, and can meet the requirements of 150℃, 180℃and 200℃grades.
Extruded silicone cable material is a high-performance cable material for special environments. It utilizes the unique properties of silicone rubber, such as high temperature resistance, low temperature resistance, chemical corrosion resistance, weathering resistance, and excellent electrical insulation performance. This material is mainly used to produce the insulation layer and sheath layer of wires and cables, especially in applications under high temperature, harsh climate or special chemical environment.
During the production process, extruded silicone cable materials need to go through a carefully designed process flow, including raw material preparation, mixing, extrusion molding, vulcanization treatment and other steps. During the extrusion process, silicone rubber is plasticized at high temperature by an extruder and extruded through a die to form the insulation layer or sheath layer of the cable. The extruded silicone rubber cable material usually needs to be vulcanized to ensure the stability of its physical and chemical properties.
The extrusion molding process of silicone rubber cable materials also includes a secondary vulcanization process, which is to remove the by-products that may be produced during the vulcanization process and further improve the stability and reliability of the product. The secondary vulcanization is usually carried out in an oven, and the appropriate temperature and time need to be controlled to ensure that the performance of the silicone rubber material is in the best state.
Extruded silicone cable materials have important application value in the wire and cable industry due to their excellent performance. By continuously optimizing the production process and solving problems in the production process, the performance and quality of silicone rubber cable materials can be improved to meet the needs of special environments and applications.
| Project | Basic Indicators | Unit | |
| Types | Extruded Vapor Phase Silicone | Extruded Precipitated Silicone | |
| Appearance | High clarity | Milky-white | \ |
| Plasticity | 260±30 | 160±30 | |
| Hardness | 67±3 | 60±3 | Shore A |
| Density | 1.20±0.03 | 1.16±0.03 | g/cm3 |
| Tensile Strength | 9 | 7 | (Mpa)≥ |
| Elongation at Breakage | 400 | 350 | (%)≥ |
| Tear Strengt | 22 | 15 | (N/mm)≥ |
| Volume Resistivity | 10^15 | 10^13 | (Ω•cm)≥ |
| Breakdown Strength | 22 | 18 | (kV/mm)≥ |
| Operating Temperature | -50～200 | -50～200 | ℃ |
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