KINGFLEX INSULATION TUBE is an NBR/PVC-based closed cell, flexible elastomeric foam insulation. It is environmentally-friendly as it is free of CFCs, HFCs, HCFCs, PBDEs, formaldehyde and fibers. An EPA-registered antimicrobial agent is incorporated into the product providing additional protection against mold, fungal and bacterial growth.
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).
Independent closed foam structure, good heat insulation performance
Fire-resistant material
Widely used for the thermal insulation of various water and steam pipelines in the central air-conditioning freezer, building, ship, vehicle and other industries
This insulation tube heat-insulating & heat-preservation material is a soft, heat-insulating, heat-preservation, and energy-conserving product manufactured using advanced processing technologies and specialized automatic continuous production processes. Utilizing high-performance butyronitrile rubber and polyvinyl chloride (NBR, PVC) as main raw materials, together with premium auxiliary materials, it undergoes a dedicated foaming process to achieve its superior insulation characteristics.
Technical Data Sheet
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 21
Ozone resistance
Good
GB/T 7762-1987
Resistance to U.V. and weather
Good
ASTM G23
Frequently Asked Questions (FAQ)
What is the operating temperature range for these elastomeric insulation tubes?
The elastomeric insulation tubes perform reliably within an operating temperature range of -50 °C to 110 °C, making them highly versatile for both freezing and high-temperature pipeline configurations.
What are the primary raw materials used in this insulation material?
This product is manufactured using high-quality butyronitrile rubber and polyvinyl chloride (NBR/PVC) as the main raw materials, ensuring a soft texture and optimal flexible insulation performance.
What fire ratings do these insulation tubes satisfy?
The material is certified fire-resistant, complying with BS 476 Part 6 and Part 7 to achieve Class 0 & Class 1 fire ratings, and has an oxygen index of ≥36.
How does the closed-cell foam structure improve insulation performance?
The independent closed foam structure provides excellent resistance to water vapor transmission (permeability ≤0.91×10 ﹣¹³ Kg/(m.s.pa)) and ensures exceptionally low thermal conductivity, keeping thermal transfer to a minimum.
Where are these flexible insulation tubes typically applied?
They are widely applied for the thermal insulation of various water and steam pipelines in central air-conditioning freezers, commercial buildings, ships, vehicles, and other industrial settings.
Does this insulation material resist mold and environmental weathering?
Yes, this insulation material demonstrates good resistance to mold/fungi, ozone, UV rays, and general weathering conditions under testing guidelines such as ASTM 21 and ASTM G23.
Kingflex
