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200 Bright Yellow Casting Alloy 14K - 1 oz.
Our Price:
$
12.25
Product Code:
UN200
Qty:
Description
Instructions
200 Bright Yellow Casting Alloy 14K - 1 oz. (28 grams).
Alloy #200
Purpose
Mix Alloy # 200 with fine gold to obtain 14K Bright Yellow Gold for casting.
Melting
Melt temperature for 14K Alloyed Grain: 950°-970°C, 1475°-1780°F.
Melt temperature for Alloying: 1010°-1040°C, 1850°-1910°F
Pre-graining is recommended for all alloy and fine gold before casting to assure a uniform mixture.
Flask Temperature
Normal recommended temperature
Fluxing
Boracic Acid
is the recommended flux. Use as little flux as possible. Do not use carbon fluxes or any fluxes designed for refining; i.e. soda ash, saltpeter, etc. Avoid flux in bottom pour automatic casting units.
Quench Time
15 - 20 minutes.
Investment Removal
Most standard investment removers will successfully remove the investment powder. Flouric-based investment removers are the best for removing the silicon oxide in invisible coating.
Re-Melting
35-50% fresh mix for re-melting is recommended, unless
#99 Alloy Replenisher
is used.
Notes
Melt temperature may vary with type of unit.
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