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Master Bond adhesives

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Polytek Poly 81-D45 Tough, Durable Polyurethane Rubbers
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Description: Use Poly 81-Series rubbers to make firm molds, mold facings, stamping tools, industrial parts, rollers, gaskets, mold shells, bumpers or pads. Poly 81-Series rubbers consist of two liquid parts (A and B), which, after mixing, cure at room temperature to tough, durable rubbers. They offer low sensitivity to moisture, and low viscosity for easy mixing and pouring.

Product Line Features:

  • Firm rubbers with Shore A90 or D45
  • Hard, yet flexible
  • Easy-to-use formulations
  • Reproduce fine details
  • Make tough, long-lasting molds, tools & parts

Information provided by Polytek

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Physical PropertiesOriginal ValueComments
Viscosity 1600 cPMixed
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 45
 
Processing PropertiesOriginal ValueComments
Cure Time 16.0 hourDemold Time
 19.0 minPour Time
 
Descriptive Properties
Cured ColorVaries
Mix Ratio By Weight100A:20B
Specific Volume26.4 in3/lb

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PPTK5061 / 251053

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