Use these instructions to help reduce waste and provide consistent proportions when measuring the amount of investment to the amount of water needed for each size of the flask.
RECOMMENDED WATER/POWDER RATIOS
Ladies’ rings, pendants, filigree and intricate wax patterns
Heavy ladies’ rings, mens’ rings and school rings
INVESTMENT MIXING INSTRUCTIONS
To get the number of pounds of investment needed to fill any particular flask, divide the cubic inch content of the flask by 20. To get flask content in cubic inches. Round Flask = 0.7854 x dia.2 × height. Square Flask = width × length × height.
Add investment to water
Mix for 3 to 3 1⁄2 minutes
Vacuum 20 seconds after bell
Pour mixture into flask
Vacuum up to 90 seconds
Leave still for two hours
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