| http://www.w3.org/ns/prov#value | - However, it is ordinarily on the order of at least 200 degrees F. above the melting point of the thermoplastic material, although under certain conditions some materials, such as the polyolefins, particularly polyethylene, and polystyrene, require air temperatures on the order of 300 degrees F. above the melting or softening points of the thermoplastic materials.
|
