Note: Making a two-piece cored mold is an advanced mold making technique. Previous mold making experience is recommended before attempting. The following gallery takes you step by step through the process of making a two piece cored silicone rubber mold of a beer bottle and then using that mold to make a breakaway bottle using SMASH! Plastic. The disadvantage is that finished castings lack a bottom, but to is rarely noticeable on a stage or in a film. And second cured SMASH! castings have a uniform wall thickness. There are two advantages to this method, first the castings are easier to make verus hand rotational casting. The second involves using silicone rubber to make what is called a two-piece “cored mold”. This can be alcohol, kerosene, napalm, gasoline (petrol), or other compounds that. Hand rotational casting involves a steady hand and a lot of trial and error resulting in inconsistent results and wasted material.Ģ. Alcohol bottles are commonly seen in media, but Spaniards in their civil war were known for using jam jars. As the liquid plastic builds layers and gradually cures against the mold walls, the plastic cures to a uniform thickness. The disadvantage of rotational casting is that it should be done using a rotational casting machine for best results and this equipment is expensive. The liquid SMASH!® Plastic can be rotationally cast inside the rubber mold. The rubber mold can then be used for casting SMASH!® Plastic to make the breakaway glass bottle.ġ. Making a breakaway glass bottle starts with making a silicone rubber mold of a real bottle. It is easier to use and more consistent than other breakaway glass products making it the clear, economical choice. Used as directed, breakaway glass bottles made with SMASH!® Plastic look just like glass, break just like glass and sound just like breaking glass. Note: Making a two-piece cored mold is an advanced mold making technique. Previous mold making experience is recommended before attempting.SMASH!® Plastic was developed for making breakaway glass bottles, windows, vases, jars, etc. Hand rotational casting involves a steady hand and a lot of trial and error resulting in inconsistent results and wasted material.Ģ. SMASH!® Plastic was developed for making breakaway glass bottles, windows, vases, jars, etc. How To Make a Breakaway Glass Bottle Prop Gallery courtesy of Smooth-On, Inc. Introduction to Lifecasting and Skin F/X.Aquariums, Zoos, and Themed Environments.Urethane Plastics – Rigid and Semi-Rigid.
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