watsonnoke
α,ω-silanol-terminated polydimethylsiloxane CAS 70131-67-8 manufactured by Watson Noke Scientific, click https://www.watsonnoke.com/%ce%b1%cf%89-silanol-terminated-polydimethylsiloxane-cas-70131-67-8/ https://imgs.plurk.com/QuT/48M/QsvNyBJXdnkFVVQ9ShUB2OFyoHN_lg.jpeg
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