Hello, Petrol deformed microfluidic PDMS structure, it also depends on the UV cured PDMS substrate condition. Mamun Rashid Research Assistant Centre for Nano & Microsystems University of Teesside TS1 3BA. U.K +44(0)164 234 2428 ________________________________________ From: mems-talk-bounces@memsnet.org [mems-talk-bounces@memsnet.org] On Behalf Of 闫许 [microyanxu@gmail.com] Sent: 04 January 2010 01:47 To: mems-talk@memsnet.org Subject: [mems-talk] Does petrol swell or etch PDMS? Dear all, I would like to protect my chip immerged in petrol using PDMS film. Does petrol swell or etch PDMS? Thanks a lot! X. Yan Shanghai Institute of Microsystem And Information Technology