What Is Heat Shielding Sheet ?
Heat shielding sheets are made by processing chemical materials and are heat-resistant materials with excellent noncombustibility properties that prevent the temperature of objects and spaces from rising by inhibiting heat transfer. Materials include metal, glass, silica, rubber, and plastic.
Heat shielding sheets undergo a heat-induced change of state depending on the sheet material.
Polypropylene (PP), for example, is a solid and easily deformable sheet in the low temperature range.
However, when the temperature range reaches medium, it begins to deform, becoming rubbery, intermediate between a solid and liquid state, and showing elasticity. Under high temperatures, it melts and becomes a sludgy liquid state and begins to flow.
In general, heat-resistant sheets undergo a state change when exposed to heat, losing their functionality as described above.
Uses of Heat Shielding Sheet
Heat shielding sheets are used not only to withstand external temperature changes in products, but also to prevent the temperature of objects from rising or falling. Heat shielding sheets are mainly used in industry, construction, and the food industry, but heat-resistant sheets can also be used in general life outside of industrial applications.
1. General Use
In general life, one example is the use of heat shielding sheets as heat-resistant and heat-insulating material from floor heating. Underfloor heating can be efficiently heated by placing an insulating sheet under the floor heating system. However, while blocking cold air from under the floor, it must also withstand heat from the floor heating. Therefore, laying heat shielding sheets can solve these problems.
2. Industrial Applications
In industrial applications, heat shielding sheets have different uses depending on the temperature zone they can withstand. For example, at minus 50°C or lower, products using silicon or glass as materials are used, which are utilized at construction sites and for material transportation. In addition, at temperatures of approximately 200°C, they are used to prevent sparks and spatter in welding operations.
Heat shielding sheets will have different heat resistance test results for the same product, depending on the nature of the material and the environment in which it is used. Therefore, it is important to test the performance of a product in a real environment before using it.