Hi The alcohol is OK ( etahnol and methanol) . But I dont know about acetone. I am pretty sure it will work. Petru On 6/17/07, King Laiwrote: > Hi all, > > I am planning to make micro channels and chambers by PDMS, but > acetone/alcohol will flow inside the micro channels. I would like to know if > acetone and alcohol attack PDMS channel. Did anybody has experience in using > acetone in PDMS channel? >