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High Temperature Resistant Flexible Silicone Foam Tubes for Thermal Insulation & Sealing

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 Silicone foam tubes

Silicone foam tubes

Item No. SP-023

High temperature resistant silicone foam tubes are lightweight, flexible tubular components manufactured from high-purity silicone foam materials. Designed specifically for extreme thermal environments, these foam silicone tubes deliver reliable thermal insulation, effective sealing, and durable surface protection for industrial and commercial equipment. Different from ordinary rubber tubes, silicone foam tubing features a porous foam structure that provides superior heat insulation performance while maintaining excellent softness and bendability. It is a universal thermal barrier solution for high-temperature working scenarios where traditional plastic and rubber tubes fail to perform.


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  • OVERVIEW
  • SPECIFICATIONS
  • PACKAGE
  • FAQS

Core Product Features & Performance Advantages

Our custom silicone foam tubes are engineered with stable physical and chemical properties to adapt to complex industrial environments:

  • Extreme High and Low Temperature Resistance: Standard working temperature ranges from -40°C to 250°C. Special-grade formulations can withstand continuous ultra-high-temperature exposure, ensuring stable performance without deformation, cracking or aging.

  • Superior Thermal Insulation Performance: The unique foam internal structure effectively isolates heat transfer, reduces heat loss, and achieves precise temperature control. It greatly improves energy efficiency for heating and thermal management systems.

  • Excellent Flexibility & Bendability: Soft and pliable silicone foam structure allows easy cutting, bending, and shaping. The tubes can be freely installed around irregular pipes, wires and equipment surfaces without rebound or deformation.

  • Low Compression Set & Resilience: Maintains stable original shape and cushioning performance under long-term compression and high-pressure working conditions, ensuring long-term sealing consistency.

  • Strong Chemical Resistance: Resistant to most industrial oils, solvents, moisture and chemical fluids. The material will not corrode or degrade in complex working environments, extending service life significantly.

Professional Product Technical Attributes

Our high-temperature silicone foam tubes adopt precision foaming and vulcanization technology, featuring uniform foam density, smooth surface, consistent wall thickness and stable overall performance. The lightweight structure reduces equipment load while providing excellent heat insulation, dustproof, waterproof and buffer protection functions. All products support full customization to meet unique project specifications.



Wide Industrial Applications of Silicone Foam Tubes

High temperature resistant silicone foam tubing is widely recognized across multiple high-standard industries due to its comprehensive performance:

  • HVAC Systems: Used for pipe thermal insulation, preventing heat loss and cold air transmission, improving overall energy efficiency of ventilation and temperature control systems.

  • Automotive Industry: Ideal for engine compartments, exhaust system protection, thermal management and high-temperature wire insulation in vehicles.

  • Electrical & Electronic Protection: Serves as high-temperature insulation sleeves and protective tubing for wires, cables and precision electrical components to avoid high-temperature damage and short circuits.

  • Industrial Machinery Sealing: Applied in high-temperature equipment sealing and gap filling to prevent air leakage, dust penetration and heat diffusion.

  • Home & Cooking Appliances: Perfect for oven door seals, baking equipment insulation and high-temperature appliance gap sealing.

  • Aerospace & Aviation: Used for aircraft engine insulation, fuel system sealing and spacecraft thermal protection, meeting strict high-temperature resistance and stability standards.

Why Choose Our High Temperature Silicone Foam Tubing

We provide high-quality custom silicone foam tubes with stable temperature resistance, uniform foaming density and durable resilience. Strict quality control ensures every tube features consistent insulation performance, excellent flexibility and long service life. Whether you need standard-size tubing or customized special-shaped silicone foam tubes for special industrial scenarios, we can provide one-stop OEM & ODM solutions.



  • Materials

    Silicone

  • Hardness

    15-30 ShA

  • Color

    Black, Red, Green, Yellow, Blue, Brown, Gray, etc

  • Applications

    Automotive, Food and Medical Industry, Construction,Transportation.

Complete Pallet Preparation for rubber extrusions
Complete Pallet Preparation for rubber extrusions

Standardized Pallets: Goods are stacked on heat-treated (ISPM 15) or plastic pallets, optimized for forklift handling. Rigid Corner Protectors: High-impact cardboard corner guards are applied to the full height of the stack. This prevents the straps from cutting into the rubber and maintains the vertical integrity of the pallet.

Standard package for rubber extrusion
Standard package for rubber extrusion

Standard Rolls: Goods are typically supplied in 50m or 100m continuous rolls, precision-coiled to maintain the profile’s structural shape.

What temperature range can silicone foam tubes withstand?

Our standard silicone foam tubes work reliably from -40°C up to 250°C. Special custom grades can handle even higher continuous heat exposure. The material keeps stable elasticity and insulation performance without cracking or degrading within the rated temperature range.

What are the main differences between silicone foam tubing and solid silicone tubes?

Silicone foam tubing has a porous cellular structure. It is lighter, softer and delivers far better thermal insulation and cushioning. Solid silicone tubes have dense construction for higher mechanical strength. Choose foam silicone tubing when thermal insulation and compression sealing are your priorities.

Can you customize the size and shape of silicone foam tubes?

Absolutely. We support full OEM & ODM customization. We can adjust inner diameter, outer diameter, wall thickness, length, foam density and cross-section profiles according to your drawings or samples.

Can silicone foam tubes be cut easily on site during installation?

Yes. The flexible foam silicone structure can be simply cut to required lengths with standard knives or scissors for fast field installation around cables, pipes and equipment.

What industries commonly use silicone foam tubes?

Typical applications cover HVAC, automotive thermal management, electrical cable insulation, industrial machinery, oven & cooking appliances, and aerospace thermal protection.

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