I posted the video about how to apply the silicone to the vellum. I did a test sheet first to make sure I knew what I was doing. I also tested it out on my 1" by 1" piece of acrylic, It worked great! So I set up in a place where there would be enough air, so that I wouldn't be breathing xylol the entire time, my garage. I was going to set it up on a table, but the table I had wasn't big enough. So, I found the most level place on the floor in my garage and set up some newspaper there. The xylol is poisonous and will eat away at plastic, so you cannot use a plastic container when mixing. I bought a metal container from Home Depot.
I then poured a 1 to 1 ratio of xylol an silicone into the metal container
It's important to mix slowly so that you don't get any bubbles in the mixture. Bubbles are bad because they will stay there for an extremely long time. It took me quite a long time to stir until all of the chunks were out of the mixture. About 30 minutes of slow stirring.
You will know when you're done stirring because there will be no chunks, it will look like 1 solid mixture, and it will run off the end of whatever you're stirring with very smoothly.
It's important to pour all over your vellum sheet, not like I did. It took me about an hour to spread it all around evenly and make it look good. The sheet will become see-through, but thats okay, it's not going to stick to the newspaper.
Try to buy the finest sponge roller you can find, this will create the best texture.
I then decided to set up a light, so I could see how even the silicone was being spread.
When I was finished, I tipped the table over and set up a clean bed sheet, that I vacuumed, over the vellum. When it was dry, it stuck a little bit to the newspaper, but it didn't really matter.
My sheet was perfect, but I had a little bit of the silicone mixture that I had to throw away. :(
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