China Kingflex insulation tube excellent product performance Manufacturers, Factory

Kingflex insulation tube excellent product performance meets different applications. With nitrile rubber as the main raw material, it is foamed into a flexible rubber-plastic heat-insulating material with completely closed bubbles. The excellent product performance makes the product widely used in various public places, industrial plants, clean rooms and medical education institutions.

Product Description

Thermal Insulation Material
Insulation Performance Diagram
Insulation Application
Production Process
Material Testing
  • Improve the energy efficiency of the building
  • Reduce transmission of exterior sound to the interior of the building
  • Absorb reverberating sounds within the building
  • Provide thermal efficiency
  • Keep the building warmer in winter and cooler in summer
  • Splendid surface
  • Excellent OI critical value
  • Outstanding smoke density class
  • Age-long life in heat conductivity value (K-value)
  • High moisture resistance factor (μ-value)
  • Firm performance in temperature and anti-aging
  • Good quality and well quality control system
  • High production efficiency makes the shortest delivery time
  • Reasonable price to make win-win cooperation
  • Big discounts for large orders
  • OEM orders service are welcome
Product Dimensions

Normal wall thicknesses: 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: 6ft (1.83m) or 6.2ft (2m).

Product Quality
Insulation Application Case
Testing Standard Certificate
Acoustic Performance Chart
Thermal Conductivity Curve
Material Detail View
Insulation Material Package
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
Frequently Asked Questions
What are the main benefits of using this thermal insulation material?
It improves building energy efficiency, reduces exterior noise transmission, absorbs reverberating sounds, and maintains optimal indoor temperatures by keeping buildings warmer in winter and cooler in summer.
What standard thicknesses and lengths are available?
Normal wall thicknesses include 1/4”, 3/8″, 1/2″, 3/4″, 1″, 1-1/4”, 1-1/2″, and 2” (ranging from 6mm to 50mm). The standard lengths are 6ft (1.83m) or 6.2ft (2m).
What is the fire rating and flame spread index of this product?
The insulation material has a Class 0 & Class 1 fire rating tested according to BS 476 Part 6 & 7, and a Flame Spread and Smoke Developed Index of 25/50 tested under ASTM E 84.
How does the material perform against moisture and water vapor?
The material features an outstanding moisture resistance factor (μ-value ≥ 10000) and a low water vapor permeability of ≤0.91×10⁻¹³ Kg/(m.s.pa), ensuring durable insulation performance.
Is the insulation material resistant to environmental factors like UV and fungi?
Yes, it demonstrates good resistance to fungi (tested via ASTM G21), ozone (tested via GB/T 7762-1987), and U.V./weather degradation (tested via ASTM G23).
Do you support custom options or OEM orders?
Yes, OEM orders service are welcome. We also offer reasonable pricing for win-win cooperation and big discounts for large volume orders.

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