Materyèl an poliyiretàn ak izosyanat espesyal
Nou menm Shanghai Theorem Chemicals Co. (Shanghai Further New Material Co.) nou prensipalman founi materyèl an poliyiretàn ak izosyanat espesyal, tankou HTPB (Hydroxyl-Terminated Polybutadiene), RE, RFE, RC, RN, NDI (1,5-Naphthalene Diisocyanate), TODI ...
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