A Limited Liability Company
Products
Forum
About Us
More
Have you looked at using the perlite? This what the small forge builders are using. They mix this with sodium silicate. I also use this as a binder and add in aluminum oxide in the batch mix.
Using crushed glass,sand and plaster of Paris insulation of cone
Here are two videos one using sand and plaster of paris and the other one is perlite and sodium silicate
https://www.youtube.com/watch?v=uIRTcmR6sSk
https://www.youtube.com/watch?v=xv9nnEhgfuY
Have you looked at using the perlite? This what the small forge builders are using. They mix this with sodium silicate. I also use this as a binder and add in aluminum oxide in the batch mix.
Using crushed glass,sand and plaster of Paris insulation of cone