This topic contains 3 replies, has 2 voices, and was last updated by Michael Smith 1 month ago.
- September 21, 2019 at 2:14 pm #82460
I cannot figure out what I’m doing incorrectly here.
I’ve used different kinds of resin, including casting. I am using exactly the correct amount of hardener to resin. And stirring VERY thoroughly, followed by a vacuum chamber to remove the air.
But still, when the resin sets in my mold it pulls away from the corners. 🙁
I’ve lost 2 gallons worth of resin so far to this.
- September 21, 2019 at 6:28 pm #82461
It looks like you are having a lot of shrinkage due to heat production. Are you using a polyester resin by chance?
- September 21, 2019 at 6:47 pm #82462
the layer is too thick, or was too warm in room, try cast in two laver, or in lower room temperature
- September 21, 2019 at 10:18 pm #82463
This is what I used for this last one.
I use it in a cool workshop, but I guess I can dip the mold into cooler water as it heats up. I’ll try that.
I’ve tried layers, but it just doesn’t work for this project where I need color swirls going through the whole block. There would be no way to make it uniform.