cellular polystyrene

cellular polystyrene

An insulation composed principally of a polymerized styrene resin which has been processed to form a rigid foam having a closed-cell structure.
References in periodicals archive ?
While EPS and XPS are two different products, they do have some similar characteristics and fall under the same manufacturing standard: ASTM C578 Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation.
different types and physical properties of cellular polystyrene intended for use as thermal insulation.