ASTM C578
ASTM C578 – Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation Description: Abstract This specification covers the standards for the types, physical properties and dimensions of cellular polystyrene boards with or without facings or coatings made by molding (EPS) or extrusion (XPS) of expandable polystyrene proposed for use as thermal insulation. This specification, however, does …


