استاندارد ASTM C332 در خصوص مصالح ریزدانه سبک وزن در بتن های عایق یه زبان انگلیسی Standard Specification for Lightweight Aggregates for Insulating Concrete 1. Scope1.1 This specification covers lightweight aggregates intendedfor use in concrete not exposed to the weather, in whichthe prime consideration is the thermal insulating property ofthe resulting concrete.1.2 The text of this standard references notes and footnoteswhich provide explanatory material. These ...