... .MF:C6H18OSi2 3.Molecular Weight:162.2 Hexamethyldisiloxane(siloxane, MMhead closed agent) Alias: Hexamethyldisiloxane;siloxaneEnglish Name: HexamethyldisiloxaneMolecular Formula: C6H18OSi2 Molecular ... .Refractive index(25°C):1.374~1.376Use: As head closed agent, abluent, film remover, it can be mainly used ... or plastic bucket, Net. Weight:150kg.. Hexamethyldisiloxane(siloxane, MMhead closed agent)