塑钢 Traditional form: 塑鋼 Pinyin (reading): sùgāng Definitions: acetal resin Delrin unplasticized polyvinyl chloride (uPVC or rigid PVC) Characters: 塑 - to sculpt, to model in clay; plastic 钢 - steel; hard, strong, tough Traditional characters: 塑 - to sculpt, to model in clay; plastic 鋼 - steel; hard, strong, tough