FMC® 201

About
FMC ® -201 is part of the Smooth-On family of polysulfide rubber mold compounds. FMC ® -201 cures overnight (faster or slower cure possible with different curatives) with negligible shrinkage to a soft Shore A15 rubber that stretches and exhibits good tear resistance. Molds made of FMC ® -201 are very durable and will perform in production. FMC ® -201 is ideal for those applications that require capturing intricate detail from a variety of model surfaces. Unlike polyurethanes, FMC ® -201 is not sensitive to moisture and can be poured directly over wet plaster or water/sulfur based clays. Common applications include molds for foundry and pattern work, sculpture (lost wax process), casting various gypsum products and waxes.&&

Product Description
Generic多硫化橡胶
Material StatusCommercial: Active
FeaturesLow contractility,Moisture resistance,Good tear strength,Durability
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process Methodscasting

Technical Data
PHYSICALNominal valueUnitTest method
Density1.35g/cm³ASTM D792
Specific volume0.741cm³/g

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s A15 ASTM D2240

elastic bodyNominal valueUnitTest method
tensile strength
fracture1.03MPaASTM D412
100% strain0.200MPaASTM D412
Tensile strain
fracture700%ASTM D412

THERMALNominal valueUnitTest method
storage stability50min

Thermosetting mixed viscosityNominal valueUnitTest method
stripping time
23℃960min

Supplementary informationNominal valueUnitTest method
Mixing ratio100A:12B by weight 

Notes
1. Typical properties: these are not to be construed as specifications.
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