Expanded Polystyrene Melting Point. Polystyrene also has good X-ray resistance low shrinkage it is rigid and it does not have any taste or smell. Actually this is the temperature that PS softens and becomes fluid as there is no melting point or range for PS because it is not a crystalline polymer. Typical densities are 29 to 120 kgm 3 49 to 202 lbcu yd with the lower figure being common. Small solid plastic particles of polystyrene are made from the monomer styrene.
It can be heated to that temperature cooled and then reheated again without any significant degradation. Polystyrene is a colorless transparent thermoplastic which is commonly used to make foam board or beadboard insulation and a type of loose-fill insulation consisting of small beads of polystyrene. ASTM C578 Standard Specification for Rigid Cellular Polystyrene Thermal Insulation addresses the physical properties and performance characteristics of EPS foam as it relates to thermal insulation in construction applications. Its worth noting that this is the melting point and as such styrofoam will start softening before it attains this degree. The name has to do with the way the plastic responds to heat. Small solid plastic particles of polystyrene are made from the monomer styrene.
The value of 0038 WmK was obtained at 15 kgm3 while the value of 0032 WmK was obtained at 40 kgm3 according to the data sheet of K-710 from StyroChem Finland.
Polystyrene can be solid or foamed. Small solid plastic particles of polystyrene are made from the monomer styrene. SPS is extremely chemically resistant and has a high melting point 270 C and very low dielectric constant. Waste EPS melting machine EPS Hot melting machine EPS machine to melt waste polystyrene Hot melting machine for recycling EPS EPS melting compactor Expanded. Its high flow and processing ease make it an excellent candidate for thin wall applications. The name has to do with the way the plastic responds to heat.