Flame Retardant-Grade Silicone Heat Shrink Tube - China Factory & Suppliers for Superior Protection

• ✦ Exceptional Flame Retardancy

  The product complies with stringent flame retardancy standards such as UL 94 V-0 or VW-1. It self-extinguishes quickly in an open flame, effectively suppressing fire spread and significantly enhancing electrical safety.

• ✦ Wide Operating Temperature Range

  Capable of continuous long-term use in extreme temperatures from -60℃ to 200℃, with short-term tolerance up to 260℃. It performs stably without deformation in harsh environments like high-temperature baking or freezing conditions.

• ✦ Superior Electrical Insulation

  Possesses high dielectric strength (typically 19.7 KV/mm to 25 KV/mm) and volume resistivity (≥2×10¹² Ω·cm), offering reliable insulation protection for wires, cables, and electronic components, preventing short circuits and leakage.

• ✦ Excellent Physical & Chemical Stability

  High tensile strength (≥6.5 MPa), good elongation, and tear resistance. It also exhibits excellent resistance to acids, alkalis, solvents, oils, and ozone aging, protecting against various chemical corrosions and harsh outdoor environments.

• ✦ Environmental Safety

  Complies with environmental directives like RoHS and REACH. It is halogen-free, non-toxic, odorless, and produces low smoke upon combustion, ensuring safety for both people and the environment.

This product is widely used in fields demanding high safety and reliability:

Product Application

◎ Transportation: Insulation and protection for wiring harness terminals in high-speed trains, military vehicles, ships, and aerospace equipment.

◎ Power & New Energy: Insulation and sealing protection for high-voltage electrical connections in special transformers, motors, photovoltaic inverters, and wind turbine generators.

Product Application

◎ High-End Manufacturing: Cable protection for equipment in petrochemical, metallurgical electronics, and instrumentation industries, offering both corrosion and flame resistance.

◎ Electronics & Electrical Appliances: Insulation sleeving and safety protection for internal cables in household appliances (e.g., coffee makers, water heaters), industrial electrical equipment, and lighting fixtures.

• What flame retardancy rating does this silicone heat shrink tube meet?
  This silicone heat shrink tube complies with UL 94 V-0 and VW-1 flame retardancy standards. It self-extinguishes rapidly when the flame source is removed, effectively suppressing fire spread and ensuring high electrical safety in critical applications.
• What is the operating temperature range of this flame retardant silicone heat shrink tube?
  The tube supports continuous long-term use across an extreme temperature range of -60℃ to 200℃, with short-term peak tolerance up to 260℃. It maintains stable performance without deformation in both high-temperature baking and deep freezing environments.
• What shrink ratios are available for this product?
  This product is available in two shrink ratios: 1.7 times and 2 times. Both versions cover a wide range of specifications from 1.0mm to 220mm inner diameter, with corresponding wall thickness and MOQ options to suit different application needs.
• Is this silicone heat shrink tube compliant with RoHS and REACH environmental standards?
  Yes. This product fully complies with RoHS and REACH environmental directives. It is halogen-free, non-toxic, and odorless. Upon combustion, it produces low smoke, ensuring safety for both operators and the surrounding environment.
• What industries and applications is this tube suitable for?
  This flame retardant silicone heat shrink tube is widely used in transportation (high-speed trains, aerospace, military vehicles, ships), power & new energy (transformers, photovoltaic inverters, wind turbines), high-end manufacturing (petrochemical, metallurgical industries), and electronics & electrical appliances (household appliances, lighting fixtures, industrial equipment).
• What is the dielectric strength and tensile strength of this silicone tube?
  The tube offers a dielectric strength of ≥20 KV/mm (typically 19.7–25 KV/mm) and a tensile strength of ≥5.0 MPa (with superior grades reaching ≥6.5 MPa). It also provides a volume resistivity of ≥2×10¹² Ω·cm, offering reliable insulation protection for wires, cables, and electronic components.