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See Chinese contents: GB/T 22053-2020 GB/T 22053-2020: Pentane vesicant
This Standard specifies requirements and test methods, inspection rules as well as marks, packaging, transportation, storage requirements for pentane vesicant. This Standard is applicable to pentane vesicant obtained by fractional distillation and refining of raw materials containing pentane. This product is mainly used as a vesicant in the production process of expandable polystyrene and flexible polyurethane.
