The ratio of new plaster The old plaster that can be used as much as possible is 60: 40. must be mixed with water in a suitable quantity is 41.5 ml. That would make the cement mixer has a viscosity similar to the new plaster and curing time 39 minutes. .
plaster ratio of new to old plaster that can be used for most is 60:40. It must be mixed with the appropriate amount of water Ajarn ml.This will make the cement mixed with a viscosity similar to plaster and can be firm in 39 minutes