China Kingflex rubber insulation pipe Manufacturer, Suppliers

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

Kingflex Insulation Product
Kingflex Insulation Performance
Kingflex Application
Kingflex is a flexible, closed-cell insulation material with built-in antimicrobial product protection. It is the preferred insulation for pipes, air ducts and vessels in hot and cold water services, chilled water lines, heating systems, air conditioning ductwork and refrigerated pipework.
Kingflex Material Structure
Kingflex Closed-Cell Details
Kingflex Installation
Key Features & Applications
  • Found in commercial, industrial, residential and public buildings, insulation 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 system, every kind of cold/hot medium piping.
Kingflex 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)
≤0.032 (0°C)
≤0.036 (40°C)
ASTM C 518
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
Kingflex Material Application Details
Kingflex Pipe Insulation
Kingflex Material Quality
Kingflex Processing
Kingflex Storage & Supply
Kingflex Final Packaging
Frequently Asked Questions
Q1: What is Kingflex insulation material?
Kingflex is a flexible, closed-cell elastomeric insulation material designed with built-in antimicrobial protection. It is highly preferred for safeguarding hot and cold water services, chilled water lines, heating systems, HVAC ductwork, and refrigerated pipelines.
Q2: How does Kingflex control condensation and heat loss?
Thanks to its closed-cell structure, Kingflex provides an integrated barrier against moisture, ensuring reliable condensation control and frost protection. It also features very low thermal conductivity, which effectively minimizes thermal and energy loss.
Q3: What is the fire safety rating of Kingflex?
Kingflex has achieved a Class 0 and Class 1 fire rating according to BS 476 Parts 6 and 7 standards. It also maintains a Flame Spread and Smoke Developed Index of 25/50 under ASTM E 84 testing conditions.
Q4: Is Kingflex safe for indoor air quality and environment?
Yes, Kingflex is certified for low chemical emissions. It is entirely free of dust, fiber, and formaldehyde, making it safe for commercial, industrial, residential, and public buildings.
Q5: What temperature range can Kingflex insulation tolerate?
Kingflex operates efficiently within a wide temperature range of -50°C to 110°C, tested in compliance with GB/T 17794-1999 quality standards.

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