How to use our molds to make gypsum decoration materials :
·Preparation 1:materials should be prepared in advance:
aluminum alloy mold, scraper, worktable, water, glass fiber, gypsum powder, release oil, brush, shovel, agitation barrel (with volume of 11 liters), plastic rope
·Preparation 2:clear dirt from mold with a brush
·10 steps to make gypsum cornice by using aluminum alloy mold:
Step1: brush a small amount of release oil on mold
Step2: pour water in the barrel and then put gypsum powder in it ; the ratio of water and powder is 1:1.5 ( it means a gourd of water , one and a half bailer of powder)
Step3: dissolve powder in water till no dry powder exists
Step4: stir powder and water into slurry (the speed should be fast ; the faster the better); Appearance of granular powder in slurry is not allowed.
Step5: after pouring slurry for the first time, touch the mold back and forth for twice (fingers should be placed on depressions) then pour slurry again
Step6: wash hands and then grab some glass fiber to spread on the mold evenly. After that, press glass fiber with slurry pouring on them
Step7: trim glass fiber in order to make them all be put on the centre of mold
Step8: tie up a pinch of glass fiber on the end of mold with a rope and flatten the surface
Step9: pour remaining slurry; smooth surface with a scraper
Step10: shovel plaster off the edge of mold. After 30 minutes later, gypsum cornice can be released from the mold finally