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One unit of hardener is sufficient to convert 1 lb liquid resin into a solid form. The thickness of the casting determines the ratio of the hardener to resin which varies from ½ of 1%-3% by weight or volume. The temperature of the room and of the resin itself controls the setting time.
One ounce of resin poured into a mold at a depth of an 1/8-1/4” will gel in 20-30 minutes at room temperature(70 oF) when mixed with 10 drops of hardener. If hardens within 2-3 hours or overnight.
The recommended drops of hardener for 1 oz. of liquid resin in various thicknesses is as follows:
1/8 to 1/4” | 8-10 drops | |
1/4 to 1/2 “ | 4-6 drops | |
1/2 to 1” | 3-4 drops | |
1-2” | 3 drops |