Wholesale Kingflex Manufacturer, Quotes

Kingflex insulation tube is a black, flexible elastomeric foam tube used to conserve energy and prevent condensation on piping applications. The tube closed cell properties create exceptional thermal and acoustic insulation, protect against moisture penetration and provide the best solution for applications within a -50℃-110℃ temperature range. 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

Insulation Tube Details
Elastomeric Insulation Foam
Thermal Insulation Material
Closed Cell Insulation
Key Features & Applications
Closed-cell Structure
Low Heating Conductivity & Low thermal conductivity
Effective reduction of thermal losses
Fireproof, soundproof, flexible, and elastic
Protective & anti-collision barrier
Simple, smooth, beautiful and easy Installation
Environmentally safe formulation
Different sizes available according to customer's requirements
Highly competitive market pricing
Applications: Air conditioning, pipe systems, studio rooms, workshops, buildings, general construction, and HVAC systems.
Insulation Application Overview
Our insulation tube 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. It is highly welcomed in the market for its excellent performance.
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
Production Process
Foam Raw Material
Storage and Packing
Warehouse Display
Quality Inspections
Product Options
Shipment Ready
Frequently Asked Questions
What are the primary applications of this insulation tube?
It is widely used for insulation in central air conditioning cooling units, freezing water pipes, condensing water pipes, air ducts, hot-water pipes, workshops, studio rooms, and various HVAC or construction systems.
What makes the structure of this insulation material highly efficient?
The tube features a closed-cell structure which delivers exceptionally low thermal conductivity. This design effectively prevents heat gain or loss and reduces overall thermal losses.
Does the insulation tube provide fire protection?
Yes, the insulation material has excellent fireproof characteristics, achieving Class 0 & Class 1 fire ratings under the BS 476 Part 6 & 7 test standard, and a Flame Spread/Smoke Developed Index of 25/50 according to ASTM E 84.
What is the operating temperature range of this material?
The insulation tube is stable and retains its properties over a wide temperature range, specifically from -50°C to 110°C, tested in compliance with GB/T 17794-1999.
Is the material durable against weather conditions and environmental hazards?
Absolutely. The material offers good resistance to fungi (ASTM 21), ozone (GB/T 7762-1987), and U.V./weathering (ASTM G23), making it a reliable solution for outdoor and indoor settings.
Is this insulation tube simple to install?
Yes. Its flexible and elastic properties ensure simple, smooth, and beautiful installations on various pipe layouts and HVAC system components.

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