Round silicon rubber mold for casting cement planter succulent pot. Spray silicon release agent before casting with Multifilla premix mortar, a fine grain cement sand premixed with additives for strength and curing. Guide mix ratio 2 part volume premix mortar : 1 part water. Mix well and tamp during filling to reduce air bubbles that causes casting pin holes. These refined castings require 3 days curing or more before demolding. Maximum cement cured strength peak in 30 days.
Drainage holes provision is by inserting petroleum jelly greased brass tubes during casting or drill after demolding.
These silicon rubber molds are suited for vacuum castings and pressure pot castings both methods eliminates bubbles and give high density compact castings.
