Formula 1 solution Alginate 12% Formula 2 solution Alginate 15% and the ratio of Print paste of 10%: 90% to 20%: 80% Formula 3 ratio of Stock paste without using sodium bicarbonate solution. Alginate is 20% urea, 25% distilled water and 15% the proportion of Print paste of 10%: 90% to 20%: 80%.
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