Lightweight Hydrocal has been specially formulated for terrain model builders. It is half the weight of Hydrocal and goes twice as far. It is the tough, quick-setting product you will prefer. Use it for casting rocks, creating a hard shell terrain, filling in around castings and as an adhesive.
Use clean bowl and utensils. Do not wash product down drain.
1. Shake box gently for 30 seconds.
2. Slowly add 1 1/4 cups Hydrocal to 1/2 cup water, mix.
3. Immediately pour into molds or brush on terrain surface.
Working time: 5 minutes
Setting time: 40 minutes, overnight for complete cure.
Warning: Do not take internally. Keep out of reach of children.
Do not make body casts as Lightweight Hydrocal may develop
sufficient heat to cause burns if it is allowed to harden in contact