I am planning on building a glasser and want some advice about what silicone mat to buy for making seals. I figure thicker is better. It seems that most of them on ebay are either 0.1 mm thick or there is no thickness given. there is one that is 0.3 mm thick and so I'm thinking about buy this one:
http://www.ebay.com.au/itm/Baking-Mat-S ... Sw-zxWneiV
Interested in the thoughts and experiences of others on this.