이 원료는 평균16몰의 에틸렌옥사이드와 16몰의 프로필렌옥사이드의 알콕실화된 곁사슬을 포함하고 말단이 평균16몰의 에틸렌옥사이드와 16몰의 프로필렌옥사이드로 치환된 다이메티콘의 유도체이다.

Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone is a derivate of Dimethicone containing an alkoxylated side chain with an average of 16 moles of ethylene oxide and 16 moles of propylene oxide, and end-blocked with an average of 16moles of ethylene oxide and 16 moles of propylene oxide: Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone is a derivative of Dimethicone (q.v.)containing an alkoxylated side chain with an average of 16 moles of ethylene oxide and 16 moles ofpropylene oxide, and end-blocked with an average of 16 moles of ethylene oxide and 16 moles ofpropylene oxide.

本品は、メチル基の一部を酸化エチレンと酸化プロピレンをそれぞれ１６モルを含むポリアルキレングリコールで置換したジメチコン（＊）の両末端を、酸化エチレン16モルと酸化プロピレン16モルを含むポリアルキレングリコール鎖でブロックしたものである。