Alumilite 40000 Synthetic Modeling Clay - 1 lb

Sulphur-free clay for moldmaking — it never dries out, and it won't poison a platinum-cure silicone the way ordinary plasticine does.

• 1 lb (454 g) block of oil-based synthetic modeling clay
• Non-drying and reusable indefinitely
• Sulphur-free — safe with platinum-cure (addition) silicones
• For original patterns, sealing mold boxes and building parting walls
• Non-toxic