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Production Tire Molds Begin with Polysulfide Castable Mold Rubber
FMC® Castable Polysulfide Mold Rubbers have been used for years to make tire pattern molds.  They continue to be used today by Goodyear, Bridgestone, Firestone and other major tire manufacturers around the world.   
 Cast segments gypsum taken from FMC® Polysulfide rubber molds come together to form a complete tire from which steel molds will be made for large scale production of tires.

Cast segments gypsum taken from FMC® Polysulfide rubber molds come together to form a complete tire from which steel molds will be made for large scale production of tires.
 An FMC® Polysufide mold on the left with a gypsum casting of a tire pattern sement on the right.  The polysulfide rubber reproduces perfect detail.

An FMC® Polysufide mold on the left with a gypsum casting of a tire pattern sement on the right. The polysulfide rubber reproduces perfect detail.
 Into production;  from polysulfide molds, gypsum segments are assembled to make steel molds used to make production tires.

Into production; from polysulfide molds, gypsum segments are assembled to make steel molds used to make production tires.

                   
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