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Marathon® Silicone Mold Rubber

Marathon® Silicone Mold Rubber

Formulated and blended using only the highest quality polymers and fillers, the range of silicone rubber compounds offered by The Contenti Company covers the entire spectrum of centrifugal rubber mold casting applications.

Every silicone rubber mold set has a nominal thickness of 1" and consists of four 1/4" thick sections. The term "durometer" used below refers to the relative hardness of a rubber compound when cured. The higher the durometer, the harder the rubber compound is.

Silicone Mold Rubber Discs
Rubber Series Applications Durometer Flexibility Tear
200 Series Polyester and polyurethane resins, lead and tin alloys, and as a backing material for more expensive mold compounds. 63 Medium Medium Medium
500 Series Fishing lures, high lead content alloys and polyester and polyurethane resins. 57 Med-High Medium High
Marathon Tin and lead alloy pieces with extreme undercuts. The most tear resistant of all silicone mold compounds. 54 High Highest Medium
Nicem Yellow Zinc, tin and lead alloys, polyester and polyurethane resins. 59-62 High Med-High Very High
Nicem Blue Zinc, tin and lead alloys. Polyester and polyurethane. 63-65 Medium Medium Highest
Nicem Green Used when very low shrinkage is necessary or desireable. 49-51 Very High Very High Med-High
Item No. Diameter Thickness Package Note Price Qty
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179-559 9" 1" 1 set 5 sets per case
  • (5 or more) $39.38

179-562 12" 1" 1 set 10 sets per case
  • (10 or more) $69.98
  • (30 or more) $65.88