China flexible halogen-free thermal insulation pipe tubing Suppliers, Factories

Kingflex Halogen-free flexible closed-cell thermal insulation tube is in dark grey color. Certified for use in marine environments, rail and military sectors. Also Kingflex halogen-free flecible closed cell thermal insulation tube is suitable to use on clean and server rooms. Kingflex halogen-free flecible closed cell thermal insulation tube meets the demand for insulation material with minimal smoke and toxic emissions in the event of a fire. As a closed cell material, Kingflex halogen-free flecible closed cell thermal insulation tube provides exceptional water vapour resistance and features all the properties which you can expect from a flexible insulation material, such as low thermal conductivity. Kingflex halogen-free flecible closed cell thermal insulation tube is a halogen-free, flexible, closed-cell elastomeric tube insulation product.

Product Description

Kingflex Halogen-free flexible closed-cell thermal insulation tube is available in ½”, ¾” and 1” wall thicknesses in non-slit form. Designed for the Marine and Shipbuilding Industry, Kingflex halogen-free flexible closed cell thermal insulation tube can withstand temperature ranges up to 250°F (300°F intermittent).
Stainless Steel Safe
Does not contain carbon black, making it ideal for stainless steel applications above 120°F.
Environmentally Friendly
Does not contain fibers, PVC, or CFCs – making it the best solution for enclosed areas on marine and cruise ships.
Item Value Unit
Density 60 kg/m³
Water vapour diffusion resistance factor ≥2000 -
Thermal Conductivity 0.04 W/(m·K)
Maximum service temperature 110 °C
Minimum service temperature -50 °C
Reaction to fire S3, d0 -
Primary Applications

Mainly used for insulation and protection for pipes, air ducts, vessels (including elbows, fittings, flanges, etc.) of air-conditioning, refrigeration, ventilation, and process equipment to prevent condensation and save energy.

Frequently Asked Questions
What wall thicknesses are available for the insulation tube?
The insulation tube is available in ½”, ¾”, and 1” wall thicknesses in non-slit form.
What is the temperature range resistance of this product?
Designed for the Marine and Shipbuilding Industry, it can withstand temperature ranges up to 250°F (300°F intermittent), with service temperature limits between -50°C and 110°C.
Why is this insulation tube suitable for stainless steel applications?
It does not contain carbon black, making it exceptionally safe and ideal for stainless steel applications operating above 120°F.
Why is it recommended for enclosed marine and cruise ship areas?
It is entirely free from fibers, PVC, and CFCs, making it the safest and most efficient choice for tight, enclosed environments on ships.
What are the core technical values of this insulation tube?
It features a density of 60 kg/m³, a thermal conductivity of 0.04 W/(m·K), and a water vapour diffusion resistance factor of ≥2000.

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