Polypropylene glycol uses 2021-07-07
Polypropylene Glycol (PPG, cas 25322-69-4) is a transparent, colorless or basically colorless viscous liquid polyether polyol. PPG generally has a molecular weight of 400-8000, of which PPG400, PPG600, PPG1000, PPG2000, PPG4000 are more widely used, with different applications for different molecula
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