China Kingflex rubber insulation pipe Manufacturer, Factories

Kingflex rubber insulation pipe is characterized by totally closed cell structure and based on high synthetic rubber and widely used for the insulation of pipework and ducting Normal 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).

Product Description

Insulation Material Showcase 1
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This flexible, closed-cell insulation material comes with built-in antimicrobial product protection. It is the preferred insulation choice for pipes, air ducts, and vessels in hot and cold water services, chilled water lines, heating systems, air conditioning ductwork, and refrigerated pipework.
Insulation Piping System 1
Insulation Piping System 2
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Key Features & Performance Benefits

Found in commercial, industrial, residential, and public buildings, this insulation effectively helps to control condensation, protect against frost, and reduce energy loss.

  • Reliable, built-in condensation control due to closed-cell structure.
  • Effective reduction of thermal and energy loss.
  • Class 0 fire classification to BS476 Parts 6 and 7.
  • Built-in antimicrobial product protection reduces mold and bacteria growth.
  • Certified for low chemical emissions.
  • Free of dust, fibre, and formaldehyde.
Main Application: Chilled water pipes, condense pipes, air ducts, and hot-water pipes of air-conditioning equipment, heat preservation and insulation of central air-conditioning systems, and all kinds of cold/hot medium piping.
Technical Data Specification
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 21
Ozone resistance - Good GB/T 7762-1987
Resistance to U.V. and weather - Good ASTM G23
Installation Process 1
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Finished Application 1
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Frequently Asked Questions
Q1: What are the main benefits of using this closed-cell insulation material?

It provides reliable condensation control, protects pipes against frost, prevents thermal and energy loss, and features built-in antimicrobial protection to prevent mold and bacteria growth.

Q2: What is the fire safety rating of this material?

The insulation material meets Class 0 and Class 1 fire classifications according to BS 476 Part 6 and Part 7 standards. It also achieves a 25/50 Flame Spread and Smoke Developed Index under ASTM E 84 testing.

Q3: What temperature ranges can this insulation withstand?

This material is highly stable and suitable for operating temperature ranges between -50°C and 110°C, tested in compliance with GB/T 17794-1999.

Q4: Where is this insulation material typically applied?

It is widely used in commercial, industrial, residential, and public buildings. Main applications include chilled water pipes, condense pipes, air ducts, central air-conditioning systems, and all types of hot/cold medium piping.

Q5: Does the material pose any health risks during installation or use?

No, the material is certified for low chemical emissions. It is completely free of dust, fiber, and formaldehyde, ensuring safety for installers and building occupants.

Q6: How does the material perform against external environmental factors?

It shows excellent performance and durability, rating "Good" in fungi resistance (ASTM 21), ozone resistance (GB/T 7762-1987), and resistance to UV and weathering (ASTM G23).

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