With a platinum based silicone duplicating material for use with all techniques. Accuracy at 0.0% expansion/contraction and strength of 16-18 Shore A hardness. May be poured multiple times with gypsum or investment without deterioration. Suitable for use in dispensers. Mixing Ratio 1:1. Working Time >5 min. Elongation of Tear approx. 310%. Curing Time 30-45 min.