China KINGFLEX INSULATION TUBE is an NBR PVC Manufacturer, Factory

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).

Product Description

Technical Data Sheet
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
Insulated Pipe Details
Insulated Pipe Details
Insulated Pipe Details
Insulated Pipe Details
Insulated Pipe Details
Insulated Pipe Details
Insulated Pipe Details
Key Product Advantages
Excellent performance

The insulated pipe is made of NBR and PVC. It doesn't contain fibrous dust, benzaldehyde and chlorofluorocarbons. Moreover, it has low conductivity & heat conductivity, good moisture resistance, and is fireproof.

Widely used

The insulated pipe can be widely used in cooling units and equipment of central air conditioning, freezing water pipes, condensing water pipes, air ducts, hot-water pipes and so on.

Easily to be installed

The insulated pipe not only can be easily installed with the new pipeline, but also can be used in the existing pipeline. The only thing you need to do is to cut it, then glue it. Moreover, it doesn't have negative influence on the performance of the insulated pipe.

Complete models to choose

The wall thickness ranges from 6mm to 50mm, and the inside diameter is from 6mm to 89mm.

Delivery on time

The products are in stock and the quantity of supplying is large.

Personal service

We can offer the service according to the customers' requests.

Insulated Pipe Production
Insulated Pipe Packaging
Insulated Pipe Application
Insulated Pipe Application
Frequently Asked Questions
What materials are used to construct the insulated pipe?

The insulated pipe is manufactured using a high-quality blend of NBR (Nitrile Butadiene Rubber) and PVC (Polyvinyl Chloride), ensuring excellent performance without containing fibrous dust, benzaldehyde, or chlorofluorocarbons.

What is the temperature range that this insulation can withstand?

According to the technical testing standard GB/T 17794-1999, the insulation pipe is capable of operating efficiently within a temperature range of -50°C to 110°C.

What fire ratings does the insulation material possess?

The material achieves Class 0 and Class 1 ratings when tested against BS 476 Part 6 & Part 7, alongside meeting a 25/50 Flame Spread and Smoke Developed Index under ASTM E 84 standard.

How does moisture resistance perform over time?

The insulation features a very high water vapor permeability resistance factor (μ value ≥ 10000) and achieves low water absorption (20% by volume under ASTM C 209), ensuring long-term dry performance.

Is the insulation pipe difficult to install on existing lines?

No, it is highly flexible and simple to install. It can be fitted onto new pipelines or cut and glued onto existing structures without diminishing the performance of the insulation barrier.

What sizes and specifications are available?

The product offers complete model choices with wall thicknesses ranging from 6mm up to 50mm, and inside diameters starting from 6mm to 89mm.

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