Cast Your Own Plastic Parts - With the Alumilite process you can make accurate castings of virtually any plastic part. Use a mint, or repaired original part to make your mold with the included clay and Alumilite's Quick Set Rubber. The 2 part Alumilite Super Plastic goes from liquid to solid in just 3 minutes. This kit includes everything you need to make a mold and cast a part. Replacement Quick-Set Mold Rubber and Super Plastic Casting Resin is available separately.