Wholesale KINGFLEX INSULATION TUBE is an NBR PVC Manufacturer, Factories

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
Key Features & 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 fireproof.

Widely used

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

Frequently Asked Questions

What materials are used to make these insulated pipes?

The insulated pipes are made of NBR (Nitrile Butadiene Rubber) and PVC (Polyvinyl Chloride). This material formulation ensures it does not contain fibrous dust, benzaldehyde, or chlorofluorocarbons, ensuring safe and eco-friendly usage.

What is the operational temperature range of the insulation material?

The insulation material functions effectively within a temperature range of -50°C to 110°C, verified under the GB/T 17794-1999 test standard, making it suitable for both cooling and hot-water pipelines.

What are the fire safety ratings of this insulation product?

This product achieves a Class 0 & Class 1 fire rating according to BS 476 Part 6 & Part 7 test methods. Additionally, it has a Flame Spread and Smoke Developed Index of 25/50 under the ASTM E 84 standard.

How easy is it to install the insulated pipes?

Installation is very simple. The pipe can be installed easily on new pipelines or retrofitted onto existing ones by simply cutting it and gluing it. The cutting and gluing process does not compromise the insulation performance of the pipe.

What thickness and diameter options are available?

A complete selection of models is available. The wall thickness ranges from 6mm to 50mm, and the inside diameter ranges from 6mm to 89mm to accommodate various pipe sizes.

Does the insulation pipe offer resistance to UV, ozone, and fungi?

Yes, this insulation material offers high resistance properties. It shows good resistance to fungi (ASTM 21), ozone (GB/T 7762-1987), and UV/weather conditions (ASTM G23), ensuring long-term durability in different environments.

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