Poly 74-24 5 Gallon Kit (80 Lbs)
New Poly 74-24 is a 1:1 mix by weight or volume, Shore A~25, polyurethane liquid mold rubber which can be poured as supplied or thickened for brush-on applications using Poly Fiber II thickener. This easy-to-use rubber can be used to cast wax, plaster, concrete or resins such as when making cold cast bronze sculptural reproductions.
Poly 74-24 is a user-friendly, multi-purpose mold rubber and an excellent candidate for almost every general mold making project.
Mix Ratio: 1A:1B By Weight
Working Time: 25-30 Minutes
Demold Time: Overnight
We Also Recommend