Two Part Molds or Seal Mold Boxes
 
Alumilite Synthetic Modeling Clay is used for creating one time original patterns, sealing mold boxes, and for claying up two part molds.
It never dries out and can be reused over and over again.
 
Synthetic Modeling Clay Properties
Safe & Non-Toxic
Reusable
Non Drying
Multi Use
 
Notes
Size:  1 pound
It does not contain sulfur and will not inhibit platinum based silicone rubbers.