High Quality Industrial Factory Excavator Parts W14 to Danish Manufacturer
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platmx.com – Video about Casting Precious Metal Jewelry — Flask & Investment
The next step once the jewelry tree is ready is to insert a flanged flask into the base rubber ring surrounding the wax tree. The flask must me higher than the tree. The tree is wrapped with tape before it is inserted into the rubber base ring.
A special investment mix is poured into the taped flask. The investment is the same one used for dentistry, it is a type of plaster which is mixed with water and once poured into the flask and surrounds the wax tree it solidifies. Each wax tree is sprayed with releasing spray prior to being covered with investment.
The investment preparation varies depending on the type of precious metal scheduled to be casted into the solidified investment. For gold and silver the investment is nixed with water and the liquid solution is poured into the flask surrounding the wax tree. In the case of Casting Platinum and palladium the liquid solution is introduced into a vacuum machine prior to be poured into the flask containing the wax tree.