Alien Clay™ is a precision sculpting medium used for various sculpting and fabrication applications. It is one of the most versatile clays available and can be sculpted, brushed on, trowelled on or poured, allowing for quick build-up and sculpting perfect detail. Alien Clay is Sulfur-free and won't inhibit the cure of platinum silicones. Use for sculpting finely detailed miniatures or life-size projects, movie special effects to create monsters, props, spaceships and other models, medical models, cosplay and more. Clay is a non-toxic, vegan-friendly material that complies to ASTM D-4236. Soften and melt alien clay in a temperature-controlled oven or hot box (Home oven not recommended due to contamination and temperature variance). Temperatures for different hardnesses listed below. Features: Consistent Quality Low Tack Feel Solvent Friendly - Softens with Isopropyl alcohol Holds Ultra-Fine Detail Sulfur-Free and Silicone Friendly Will Not Oxidize or Become Brittle Sculpting Tool Friendly Long Lasting - Can Be Melted & Remelted Vegan Certified Skin Safe Temperures for usage: Soft Softening 46C Trowelable 57C Brushable 77C Liquefy/Pouring 100C Medium Softening 46C Trowelable 63C Brushable 82C Liquefy/Pouring 100C Hard Softening 49C Trowelable 68C Brushable 88C Liquefy/Pouring 100C