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[ÇóÖú] ÇëÎÊ ·Ö×ÓÁ¿µ¥Î» kg/g mol ÊÇʲôº¬ÒåÄØ

The molecular weight as disclosed by the supplier ranged from 250 to 500 kg/g mol. The molecular weight of PEI were
70 kg/g mol.

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