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Ensinger PEI

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Sika Sikaflex® -2c Slope Grade Polyurethane elastomeric sealant
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced

Material Notes: Sikaflex-2c Slope Grade is a 2-component, premium-grade, polyurethane-based, elastomeric sealant comprised of various mixes of Sikaflex-2c SL and NS EZ Mix. Meets ASTM C-920, Type M, Grade SSL, Class 25, use T, NT, M, G, A, O.

Where to Use:

  • Intended for use in all properly designed working joints with a minimum depth of ¼ inch.
  • Ideal for sloped applications ranging from 10° to 50° slope.
  • Placeable at temperatures as low as 40°F.
  • Adheres to most substrates commonly found in construction.
  • Submerged environments, such as canal and reservoir joints.
Advantages:
  • Adjustable mixes for slope and workability preference
  • Chemical cure allows the sealant to be placed in non-moving joints exceeding ½ in. in depth.
  • High elasticity with a tough, durable, flexible consistency.
  • Exceptional cut and tear resistance.
  • Exceptional adhesion to most substrates without priming.
  • Available in 35 architectural colors.
  • Color uniformity assured via Color-pak system.
  • Easy to mix.
  • Paintable with water-, oil-, and rubber-base paints.
  • Jet fuel resistant.

Information provided by Sika Corporation.

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Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 20 - 45ASTM D2240
Tensile Strength at Break 95.0 - 175 psiASTM D412
Tensile Stress at Strain 70.0 - 100 psi
@Strain 100 %
Elongation at Break 300 - 650 %ASTM D412
Tear Strength 45.0 - 100 pliASTM D624
Peel Strength 15.0 - 30.0 pliConcrete, 0% Adhesion loss; Fed Spec. TT-S-00227E
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 170 °F
Minimum Service Temperature, Air -40.0 °F
 
Processing PropertiesOriginal ValueComments
Cure Time >= 72.0 hourFinal cure
Tack-Free Time <= 6.00 hour10
Shelf Life 12.0 Month
@Temperature 4.00 - 35.0 °C
in original unopened cartridge
 
Descriptive Properties
ColorA wide range of architectural colors are available.

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PSIKA924 / 209831

Proto3000 – 3D Engineering Solutions

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