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    MOLD RUBBER COMPARISON CHART

   
   
 SILICONE  MOLD RUBBER DISCS
 SERIES APPLICATIONS DUROMETER FLEXIBILTY TEAR
RESISTANCE
TEMPERATURE
RESISTENCE
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
 
 ORGANIC  MOLD RUBBER DISCS
 SERIES APPLICATIONS DUROMETER FLEXIBILTY TEAR
RESISTANCE
TEMPERATURE
RESISTENCE
600 Series Flat jewelry pieces with minimal parting lines 66 Medium Medium Medium
700 Series Jewelry and small to medium size parts. Extremely high flow during vulcanization and easy delamination. 65 Medium Med-High Med-High
800 Series High lead content alloys and medallions and buttons. Gummy and tacky, making extensive mold build-up easy. 65 Medium Med-High High
900 Series/ Pertot Tiny, highly detailed parts as well as larger, highly modulated sculptured pieces. 59 Highest Highest Highest
YOA Series/
Pertot
Small highly detailed pieces. 62 Very High Very High High
   
         
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