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  • Outstanding Resiliency
  • Excellent Heat Stability up 300° F
  • Excellent Ozone Resistance
  • Low Coefficient of Friction Reduces Sticking to Roll Surface,  Improves Release from Substrate and offers  Less Build-up of Adhesives
  • Superior Abrasion Resistance
  • Resistance to Spider Cracking
  • Resistance to Wads
  • Longer Roll Life
  • Longer Time Between Re-Grind’s

Valley Roller’s Dura-Release™ series of roll coverings offer a superior balance of mechanical properties and release properties to alternative roll coverings. This family of products was designed to enhance the release properties while maintaining inherent strength of the base polymer. Dura-Release™ Coverings have been proven to meet the wide range of performance parameters found within the plastics industry. Based on innovative rubber chemistry, these unique coverings provide superior release properties, chemical resistance, excellent dynamic properties, and ultimately improve roll life.

Dura-Release Physical Properties

  • Hardness Range50-95 Shore A
  • Abrasion ResistanceVery Good
  • Tear StrengthGood
  • Release PropertiesVery Good
  • HysteresisGood
  • Resistance to DentingVery Good
  • Maximum Service Temperature300° F
  • Ozone ResistanceExcellent
  • ResiliencyVery Good
  • Recommended Thickness.50-2.00 inches

Dura-Coat Chemical Resistance

  • AcidsExcellent
  • CausticsExcellent
  • Aliphatic HydrocarbonsGood
  • Aromatic HydrocarbonsFair
  • Chlorinated HydrocarbonsPoor
  • WaterVery Good
  • KeytonesGood
  • AlcoholsVery Good
  • EstersGood
  • GlycolsVery Good