Kingflex Thermal Insulation Rubber Foam Sheet is a kind of black flexible elastomeric nitrile rubber foam. It is original closed cell and fiber-free elastomeric foam.
The expanded closed-cell structure makes it an efficient insulation. It is manufactured without the use of CFC's, HFC's or HCFC's. Thermal Insulation Rubber Foam Sheet is also effective for reducing HVAC noise. On cold systems, insulation thicknesses have been calculated to control condensation on the insulation outer surface, as shown in the table of thickness recommendation.
These components are combined in a large mixer, typically in batches of 500 pounds or more. The mixture is then put through extruding equipment to form a particular profile or shape, typically either a round tube or a flat sheet. The profile is heated in an oven to a specific temperature, a process that causes the chemical foaming agent to change from a solid to a gas. When this occurs, thousands of tiny air pockets (cells)—all of which are connected—form. The profile is carefully cooled to ensure that these cells remain unbroken and intact, maintaining the material’s closed cell structure. It is then cut to size and packaged for shipment. Elastomeric foams are made without the use of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), or hydrofluorocarbons (HFCs), making them suitable for the toughest environmental specifications.
Frequently Asked Questions
What are the benefits of the closed-cell structure in this thermal insulation?
The expanded closed-cell structure acts as an efficient thermal barrier, effectively controls condensation on the outer surfaces of cold systems, and provides reliable noise reduction for HVAC operations.
Are there any harmful chemicals or foaming agents used in manufacturing?
No. The thermal insulation rubber foam sheets are manufactured completely without the use of CFCs, HFCs, or HCFCs, which makes them highly friendly to the environment and compliant with strict environmental standards.
How does the insulation affect indoor air quality?
It is highly compatible with indoor air quality requirements. The material is fiber-free, formaldehyde-free, low in VOCs, and non-particulate, meaning it will not degrade or release irritants into the air.
What are the primary raw materials of the rubber foam insulation?
The manufacturing process uses three main raw ingredients: a synthetic rubber blend (typically NBR and/or EPDM), Polyvinyl chloride (PVC), and a chemical foaming agent.
What thermal and fire performance ratings does the material achieve?
The technical data shows a low thermal conductivity range of ≤0.030 to ≤0.036 W/(m.k) depending on the temperature, along with an excellent Class 0 & Class 1 fire rating according to BS 476 Part 6 & 7 standards.
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