#908 Alloy

Thank you for using UNITED'S alloys.

UNITED'S 908 ALLOY may be used for 18K white gold casting, which produces a white finished color. #908 contains a boron deoxidizer.

You should obtain excellent results by following a few simple instructions.

MELTING

We do recommend pre-graining all alloy and fine gold before casting to assure a uniform mixture.

FLASK TEMPERATURE
We suggest a slightly higher flask temperature for white gold.

FLUXING
Fluxing white gold is extremely important to pick-up oxides. Boric Acid is the recommended flux. 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
8 - 10 minutes

INVESTMENT REMOVAL
Most standard investment removers will successfully remove the
investment powder. UNITED'S Brite-Cast Investment Remover also works very well.

REMELTING
We recommend a 70% fresh - 30% scrap mix. White gold alloy has about 1/3 the reusability of yellow gold alloys.

NOTES
Melt temperature may vary with type of unit. This alloy is designed for casting only.

TECHNICAL ASSISTANCE
Always available…
Call 1-800-999-3463 / 1-800-999-FINE
E-mail / doc@unitedpmr.com
Web-Site / www.unitedpmr.com