Kingflex Kingflex

Wholesale Industrial Rubber Foam Insulation Pipe Supplier, Pricelist

Product Description

Thermal insulation pipe/tube uses NBR (nitrile-butadiene rubber) as the main raw material for foaming, resulting in a fully closed-cell flexible rubber insulation material. It is free from fiber materials like HCHO and CFCs, making it environmentally friendly and safe for the ozone layer. Suitable for the thermal insulation of various pipes and equipment within the temperature range of -50℃ to 110℃.

  • Nominal wall thicknesses of 1/4”, 3/8″, 1/2″, 3/4″, 1″, 1-1/4”, 1-1/2″ and 2” (6, 9, 13, 19, 25, 32, 40 and 50mm)
  • Standard Length with 6ft (1.83m) or 6.2ft (2m)
Technical Data
Property Unit Value Test Method
Temperature range °C (-50 - 110) GB/T 17794-1999
Density range Kg/m³ 45-65Kg/m³ ASTM D1667
Water vapor permeability Kg/(m.s.pa) ≤0.91×10⁻¹³ DIN 52 615 / BS 4370 Part 2 1973
μ - ≥10000 -
Thermal Conductivity W/(m.k) ≤0.030 (-20°C) ASTM C 518
≤0.032 (0°C)
≤0.036 (40°C)
Fire Rating - Class 0 & Class 1 BS 476 Part 6 part 7
Flame Spread and Smoke Developed Index - 25/50 ASTM E 84
Oxygen Index - ≥36 GB/T 2406, ISO4589
Water Absorption, % by Volume % 20% ASTM C 209
Dimension Stability - ≤5 ASTM C534
Fungi resistance - Good ASTM G21
Ozone resistance Good GB/T 7762-1987
Resistance to U.V. and weather Good ASTM G23
Thermal Insulation Pipe Detail 1
Thermal Insulation Pipe Detail 2
Key Benefits & Features
Excellent Performance

Made of NBR and PVC. It does not contain fibrous dust, benzaldehyde, or chlorofluorocarbons. It features low conductivity, excellent thermal efficiency, moisture resistance, and fireproof properties.

🔧 Widely Used

Ideal for cooling units and equipment of central air conditioning, freezing water pipes, condensing water pipes, air ducts, hot-water pipes, and various other pipeline systems.

⏱️ Easy Installation

Can be easily installed on both new and existing pipelines. Simply cut and glue the material. The installation process does not impact the insulation performance.

📦 Reliable Supply

Products are in stock and available in large quantities, ensuring on-time delivery for projects of any size.

🤝 Tailored Solutions

Customized services are available to meet the specific requirements and requests of our customers.

Thermal Insulation Application 1
Thermal Insulation Application 2
Thermal Insulation Application 3
Frequently Asked Questions
Q What is the raw material composition of the thermal insulation pipe?

The thermal insulation pipe is mainly made of NBR (nitrile-butadiene rubber) and PVC through a foaming process, which creates a fully closed-cell flexible rubber structure.

Q What temperature range can this insulation pipe withstand?

It is suitable for the thermal insulation of various pipes and equipment operating within the temperature range of -50℃ to 110℃.

Q What are the available dimensions for the insulation tube?

It comes in nominal wall thicknesses of 1/4”, 3/8″, 1/2″, 3/4″, 1″, 1-1/4”, 1-1/2″, and 2” (6 to 50mm), with a standard length of either 6ft (1.83m) or 6.2ft (2m).

Q Is this insulation material environmentally friendly and safe?

Yes, the material does not contain HCHO, chlorofluorocarbons (CFCs), or fibrous dust. It has ozone-friendly characteristics and does not release harmful fibers.

Q How is the insulation pipe installed?

The installation is highly convenient. For new pipelines, it slides directly over the pipe. For existing pipelines, it can be cut longitudinally, wrapped around the pipe, and securely sealed with adhesive without reducing its performance.

Q Does the insulation material meet fire safety standards?

Yes, it has excellent fireproof properties and achieves Class 0 & Class 1 fire ratings according to BS 476 Part 6 and Part 7 testing standards.

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