Thermal insulation products for building equipment and industrial installations. In-situ thermal insulation formed from expanded perlite (EP) products. Specification for bonded and loose-fill products before installation|Hydrophobic materials, Cellular materials, Thermal insulation, Industrial, Perlite, Coated materials, Conformity, Thermal insulating materials, In-situ construction, Designations, Quality control, Thermal resistance, Testing, Buildings, Marking, Construction materials, Thermal conductivity, Aggregates