How well do Perlite and refractory mortar stand up to intense furnace heat ?
4:01
What is the Difference Between Perlite Concrete and Vermiculite Concrete?
14:23
Making a keg foundry furnace.
3:13
What is Perlite?
8:17
Refractory made easy
18:01
How to Make Calcium Phosphate High Temperature Refractory
21:08
Refractory Cement And Mortar Mix For Firebox Builds And Repairs
3:13
What is perlite and how it can be used for insulation and fire protection in construction
18:37