ISO 4898:2025
ISO 4898:2025 Rigid cellular plastics - Thermal insulation products for buildings - Specifications
standard byInternational Organization for Standardization , 10/01/2025
standard byInternational Organization for Standardization , 10/01/2025
This document specifies requirements and methods of testing for three categories of rigid cellular plastics thermal-insulation products for buildings. It covers rigid cellular plastics in the form of flat or profiled boards, with or without natural skins. They can also be faced or laminated with foil, plastic or metal films or sheets, mineral coatings, paper, cardboard, or other materials.
u000bThis document is not applicable to materials used for the thermal insulation of pipes and vessels, for impact sound absorption or for acoustical insulation.
u000bThis document covers the following cellular materials used in the thermal insulation of buildings:
u000b— PF based on phenolic polymer;
u000b— EPS based on expanded polystyrene;
u000b— XPS based on extruded polystyrene;
u000b— PUR based on polyurethane.
u000bThe limiting quality values in this document are for use only in the specification of materials between purchaser and supplier.