There are two kinds of people who will read the following list: those who will decide this technique isn’t for them and those who will try to get their hands on their kid’s college fund to get everything on here. Model or pattern wax. A model or pattern can be made of wax or any completely combustible material. Sprue wax. 3/8” diameter for the main sprue and smaller gauges to attach the models to the main sprue are recommended. Sprue bases and flasks. Buy the bases and flasks> as a set. Flasks need to have a big enough diameter to allow for a clearance of 3/8” between the model and the flask wall and be tall enough to allow for at least 1/2” of investment to cover the model. Investment. Suppliers carry investment in small and large quantities. However, investment is a water magnet, so buy only what you are going to use within six months or so. Jewelry Scale. A lab scale for weighing the metal, wax, and investment. Mixing equipment. A flexible rubber bowl for mixing, a scoop, and something to mix the investment. A hand mixer with only one beater is recommended. De-bubblizer. A vibrating platform for eliminating bubbles in the model and the investment. Burn-out oven (kiln) with pyrometer. Needed to burn out model. A kiln with a pyrometer will show at a glance the accurate kiln temperature.Crucible. Get a big enough graphite crucibles to hold enough molten metal for the cast. If there isn’t enough metal to fill the mold, you’ll lose castings. Stirring rod. I use a carbon rod to stir the metal to make sure it’s completely melted and to remove impurities from the melt. Please don't hesitate contact us if you have any questions of order and Jewellery gold melting furnace, you can get in touch with us by email or telephone, We will try our best to help you solve the problem as soon as possible.
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