1.5.1 gb/t 23615.2-2017 thermal insulation materials for aluminum alloy building profiles part 2: polyurethane thermal insulation adhesive author: Post: 2023年10月26日 134read Comments Off This article is from the internet and does not represent Morpholine position. Please indicate the source when reprinting.https://www.morpholine.top/archives/51378 tag:1.5.1 GB/T 23615.2-2017 Thermal insulation materials for aluminum alloy building profiles Part 2: Polyurethane thermal insulation adhesive