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Sikaflex 1a Polyurethane Elastomeric Sealant


Sikaflex 1a Polyurethane Elastomeric Sealant

Description of Sikaflex 1a Polyurethane Elastomeric Sealant

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Designed for all types of joints where the maximum depth of sealant will not exceed 1/2 inch, the Sikaflex-1a is a premium-grade polyurethane-based elastomeric sealant. Sika's one part polyurethane can be used for horizontal and vertical applications, the non-sag formula works great on windows, door frames, small joints, and other construction adhesive applications.

The pre-mixed, high performance Sikaflex 1a adhesive will bond to most construction materials without a primer. It offers excellent resistance to aging, weathering, jet fuel, and other chemical solvents. This sealant is paintable with water, oil and rubber-based paints and is fast curing for timely installations.

*Capable of 35% Joint movement.

Meets:

  • Federal specification TT-S-00230, Type II, Class A
  • ASTM C-920, Type S, Grade NS, Class 35, use T, NT, O, M, G, I
  • Canadian standard CAN/CGSB 19. 13-M87
  • NSF Registered, meets 1998 USDA guidelines

*Please click the "More Information" tab for additional information.

Attention: A lead time may apply depending on color choice.

Colors shown may vary from finished product.

Attention: This product is only shipped UPS Ground, please choose that option when checking out!


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Features and Benefits

  • Resistant to extreme temperature variations, UV light, oil, and moisture
  • Ideal fo applications where you want to hold, divert or redirect liquids without absorbing them
  • Easy deployment Can be installed by one person
  • Easy to maintain wont crack, break, rot or disintegrate
  • Flexible -- conforms to any floor or concrete surface
  • RubberForm can custom cut-to-size send us a drawing to quote.

More Info

Technical Data
Shelf Life 15 Months
Storage Conditions Store at 40 to 95F (4 - 35C). Condition material to 65 - 75F before using.
Colors  
Application Temperature 40 to 100F. Sealant should be installed when joint is at mid-range of its anticipated movement.
Service Range -40 to 170F
Curing Rate Tack-free time...........4 hours
Tack-free to touch.....3 hours
Final cure..................4 to 7 days
Tear Strength (ASTM D-624) 55 lb./in.
Shore A Hardness (ASTM D-2240) 21 day 405
Tensile Properties (ASTM D-412)
21 day Tensile Stress   175 psi (1.21 MPa)
  Elongation at Break   550%
  Modulus of Elasticity 25% 35 psi (0.24 MPa)
    50% 60 psi (0.41)
    100% 85 psi (0.59 MPa)
Adhesion in Peel (TT-S-00230C, ASTM C 794)
Substrate
Peel Strength
Adhesion Loss
Concrete
20 lb.
0%
Aluminum
20 lb.
0%
Glass
20 lb.
0%
Weathering Resistance Excellent
Chemical Resistance Good resistance to water, diluted acids, and diluted alkalines.

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