[T-3] Low silver, high reusability & tarnish resistant
• Very little boric acid flux is recommended. Do not use carbon flux such as soda ash, saltpeter etc. No flux needed in bottom pour automatic casting unit.
• Flouric based investment removers are the best for silicon oxide invisible coating. Use of aggresive acid causes corrosion and surface damage. Brite cast investment removers works effectively.
• To calculate the weight of the metal needed (in grams), multiply density (gm/cc) with weight of wax (grams) . Add 10% of the total weight for button.
• Gypsum bonded investment is recommended. Follow manufacturer's instruction for burnout cycle.
