GB/T 22053-2008 is the Chinese national standard for Pentane Vesicant, a chemical blowing agent primarily used in the production of expandable polystyrene (EPS) and flexible polyurethane foams. This standard outlines the product’s composition, technical specifications, inspection rules, safety guidelines, and packaging requirements. It defines 11 grades based on the ratio of n-pentane and isopentane, ensuring manufacturers and end-users can select formulations tailored to specific foaming applications.
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