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FMC® 205 Polysulfide Rubber
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Technical
MSDS
FMC® 205 is a polysulfide rubber mold compound that cures overnight with negligible shrinkage to a lasting durable rubber that will perform in production. The mix ratio is 100 parts of Part A to 12 parts of Part B by weight. FMC® 205 cures to a Shore hardness of 12 A.FMC® 205 is ideal for those applications that require capturing intricate detail from a variety of model surfaces. Unlike polyurethanes, FMC® 205 is not sensitive to moisture and can be poured directly over wet plaster or water/sulfur based clays. Common applications include molds of sculpture (lost wax process), casting various gypsum products and waxes.
  • 12 Shore A Hardness
  • 100A:12B Mix Ratio
  • 90 Minute Pot Life


Product Name: A:B Mix RatioDemold TimeElongation at BreakMixed ViscosityPot LifeShore A HardnessTear StrengthWeight: CU.IN./LBHow much
do I need?
FMC®-205100:12 by weight16 hours550%6000 cps90 min.12n/a20.1


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