Give the names of the product of thermal. Metamorphism of pure and impure limestone.
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Product of thermal
1.) Metals :- they are good thermal conductor because electrons of the metals are move freely.
2.) Fiberglass:- It is most common insulation used in modern terms.
3.) Cellulose:-One of the most eco friendly form of insulation. cellulose has a R-value between R-3.1 and R-3.7.
4.)Polyurethane :- Excellent form of insulation. polyurethane form are used non CFC gase for use as a blowing agent.
5.) Polystyrene:- It is a waterproof thermoplastic foam . It comes in two types expanded ( EPS) and extruded ( XEPS).
Hope it helpful
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