Suzhou Volsun Electronics Technology Co., Ltd.
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TZRS-SIL200(1.7X) Non-flame retardant type
VOLSUN
In the demanding world of high-temperature electrical insulation and protection, the High Temp Silicone Heat Shrink Tube stands as a superior solution engineered to perform where conventional heat shrink products fail. This specialized tubing combines the excellent thermal resistance of silicone rubber with the convenience of heat-activated shrink technology, creating a versatile protective covering for wires, cables, and components in extreme temperature environments. Its ability to maintain flexibility and insulation properties across a wide temperature range makes it indispensable in applications ranging from industrial machinery to aerospace systems, providing reliable protection where heat, chemicals, and mechanical stress threaten component integrity.
Designed to thrive in extreme temperature conditions, the silicone heat shrink tube operates continuously at -60°C to 200°C (-76°F to 392°F) and withstands short-term exposure up to 260°C (500°F) . Unlike fluoropolymer heat shrink that becomes rigid at low temperatures, this silicone tube remains flexible even at -60°C, preventing cracking in cold environments . It maintains consistent insulation properties across its entire temperature range, with minimal thermal expansion or contraction.
The tube provides excellent electrical insulation with a dielectric strength of 20 kV/mm and volume resistivity exceeding 10¹⁴ ohm·cm, ensuring reliable performance in high-voltage applications . Its 3:1 shrink ratio allows it to conform tightly to irregular shapes, providing a moisture-resistant seal with an IP67 rating when properly installed . The surface resists oil, fuel, hydraulic fluids, and most industrial chemicals, maintaining integrity in harsh operating environments.
Constructed from high-purity silicone rubber, the tube offers exceptional tear strength (15 N/mm) and abrasion resistance, extending service life in demanding applications . It features a non-adhesive inner layer that allows for easy repositioning during installation while still providing a secure fit after shrinking . The tubing is available in clear and black formulations, with the clear version allowing visual inspection of enclosed components.
Category | Specification | Value | Test Method |
Thermal Properties | Continuous Operating Range | -60°C to 200°C | ASTM D638 |
Short-Term Exposure Limit | 260°C (500°F) | ASTM D648 | |
Shrink Temperature Range | 120°C - 175°C | Manufacturer Test | |
Electrical Properties | Dielectric Strength | 20 kV/mm | ASTM D149 |
Volume Resistivity | >10¹⁴ ohm·cm | IEC 60093 | |
Tracking Resistance | PLC 0 (1000V) | IEC 60112 | |
Physical Properties | Shrink Ratio | 3:1 | ASTM D2671 |
Tear Strength | 15 N/mm | ASTM D624 | |
Shore Hardness | 65 Shore A | ISO 868 | |
Elongation at Break | 300% | ASTM D638 | |
Performance Metrics | Ingress Protection | IP67 | IEC 60529 |
Chemical Resistance | Oils, Fuels, Solvents | ASTM D543 |
Ideal for insulating and protecting connections in motor windings, transformer leads, and high-temperature heating elements. Withstands the thermal cycling and oil exposure common in industrial environments.
Used in aircraft electrical systems, engine compartments, and avionics where lightweight, high-temperature insulation is critical. Meets stringent aerospace standards for flame resistance and low smoke emission.
Protects wiring harnesses, sensor cables, and fuel system components exposed to engine heat. Resists degradation from oils, coolants, and automotive fluids while maintaining flexibility in temperature extremes.
Safeguards electrical connections in solar inverters, wind turbine generators, and geothermal systems. Withstands outdoor exposure and temperature fluctuations while providing reliable insulation.
Silicone heat shrink offers a unique combination of broad temperature range (-60°C to 200°C), flexibility at extreme temperatures, and chemical resistance that surpasses fluoropolymer or rubber alternatives . Unlike PTFE heat shrink, it doesn't become brittle in cold conditions, and it provides better abrasion resistance than Viton tubing, making it more versatile across diverse applications.
Installation requires a heat gun or oven capable of reaching 120-175°C—higher than needed for PVC heat shrink but lower than required for fluoropolymers . The tubing begins shrinking at 120°C and achieves full recovery at 175°C, with a typical installation time of 30-60 seconds per section. It doesn't require primer for adhesion to most substrates.
Yes, the tubing is formulated with UV stabilizers that prevent degradation from prolonged sunlight exposure, making it suitable for outdoor installations . Black formulations provide additional UV protection, maintaining physical properties and insulation performance for 10+ years in outdoor environments.
The tubing is available in expanded inner diameters from 4 mm to 50 mm, covering finished diameters from 1.3 mm to 16.7 mm after shrinking at the 3:1 ratio . Standard lengths include 1m, 5m, and 25m spools, with custom cutting services available for specific project requirements.
Item | Typical data | Test standard |
Tensile strength | 6.5MPa | GB/T 528 |
Elongation at Break | 200% | GB/T 528 |
Tearing strength | 14kN/m | GB/T 529 |
Volume resistivity | ≥2*1014Ω.cm | ASTM D 876 |
Dielectric strength | 20KV/mm | GB/T 1408 |
In the demanding world of high-temperature electrical insulation and protection, the High Temp Silicone Heat Shrink Tube stands as a superior solution engineered to perform where conventional heat shrink products fail. This specialized tubing combines the excellent thermal resistance of silicone rubber with the convenience of heat-activated shrink technology, creating a versatile protective covering for wires, cables, and components in extreme temperature environments. Its ability to maintain flexibility and insulation properties across a wide temperature range makes it indispensable in applications ranging from industrial machinery to aerospace systems, providing reliable protection where heat, chemicals, and mechanical stress threaten component integrity.
Designed to thrive in extreme temperature conditions, the silicone heat shrink tube operates continuously at -60°C to 200°C (-76°F to 392°F) and withstands short-term exposure up to 260°C (500°F) . Unlike fluoropolymer heat shrink that becomes rigid at low temperatures, this silicone tube remains flexible even at -60°C, preventing cracking in cold environments . It maintains consistent insulation properties across its entire temperature range, with minimal thermal expansion or contraction.
The tube provides excellent electrical insulation with a dielectric strength of 20 kV/mm and volume resistivity exceeding 10¹⁴ ohm·cm, ensuring reliable performance in high-voltage applications . Its 3:1 shrink ratio allows it to conform tightly to irregular shapes, providing a moisture-resistant seal with an IP67 rating when properly installed . The surface resists oil, fuel, hydraulic fluids, and most industrial chemicals, maintaining integrity in harsh operating environments.
Constructed from high-purity silicone rubber, the tube offers exceptional tear strength (15 N/mm) and abrasion resistance, extending service life in demanding applications . It features a non-adhesive inner layer that allows for easy repositioning during installation while still providing a secure fit after shrinking . The tubing is available in clear and black formulations, with the clear version allowing visual inspection of enclosed components.
Category | Specification | Value | Test Method |
Thermal Properties | Continuous Operating Range | -60°C to 200°C | ASTM D638 |
Short-Term Exposure Limit | 260°C (500°F) | ASTM D648 | |
Shrink Temperature Range | 120°C - 175°C | Manufacturer Test | |
Electrical Properties | Dielectric Strength | 20 kV/mm | ASTM D149 |
Volume Resistivity | >10¹⁴ ohm·cm | IEC 60093 | |
Tracking Resistance | PLC 0 (1000V) | IEC 60112 | |
Physical Properties | Shrink Ratio | 3:1 | ASTM D2671 |
Tear Strength | 15 N/mm | ASTM D624 | |
Shore Hardness | 65 Shore A | ISO 868 | |
Elongation at Break | 300% | ASTM D638 | |
Performance Metrics | Ingress Protection | IP67 | IEC 60529 |
Chemical Resistance | Oils, Fuels, Solvents | ASTM D543 |
Ideal for insulating and protecting connections in motor windings, transformer leads, and high-temperature heating elements. Withstands the thermal cycling and oil exposure common in industrial environments.
Used in aircraft electrical systems, engine compartments, and avionics where lightweight, high-temperature insulation is critical. Meets stringent aerospace standards for flame resistance and low smoke emission.
Protects wiring harnesses, sensor cables, and fuel system components exposed to engine heat. Resists degradation from oils, coolants, and automotive fluids while maintaining flexibility in temperature extremes.
Safeguards electrical connections in solar inverters, wind turbine generators, and geothermal systems. Withstands outdoor exposure and temperature fluctuations while providing reliable insulation.
Silicone heat shrink offers a unique combination of broad temperature range (-60°C to 200°C), flexibility at extreme temperatures, and chemical resistance that surpasses fluoropolymer or rubber alternatives . Unlike PTFE heat shrink, it doesn't become brittle in cold conditions, and it provides better abrasion resistance than Viton tubing, making it more versatile across diverse applications.
Installation requires a heat gun or oven capable of reaching 120-175°C—higher than needed for PVC heat shrink but lower than required for fluoropolymers . The tubing begins shrinking at 120°C and achieves full recovery at 175°C, with a typical installation time of 30-60 seconds per section. It doesn't require primer for adhesion to most substrates.
Yes, the tubing is formulated with UV stabilizers that prevent degradation from prolonged sunlight exposure, making it suitable for outdoor installations . Black formulations provide additional UV protection, maintaining physical properties and insulation performance for 10+ years in outdoor environments.
The tubing is available in expanded inner diameters from 4 mm to 50 mm, covering finished diameters from 1.3 mm to 16.7 mm after shrinking at the 3:1 ratio . Standard lengths include 1m, 5m, and 25m spools, with custom cutting services available for specific project requirements.
Item | Typical data | Test standard |
Tensile strength | 6.5MPa | GB/T 528 |
Elongation at Break | 200% | GB/T 528 |
Tearing strength | 14kN/m | GB/T 529 |
Volume resistivity | ≥2*1014Ω.cm | ASTM D 876 |
Dielectric strength | 20KV/mm | GB/T 1408 |
