Sikaflex 1a Polyurethane Elastomeric Sealant

Sikaflex 1a Polyurethane Elastomeric Sealant

Description of Sikaflex 1a Polyurethane Elastomeric Sealant

Part #: SL-SK-SF1A

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.

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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 – won’t 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.

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Specifications

More Info

Technical Data

Shelf Life

15 Months

Storage Conditions

Store at 40° to 95°F (4° - 35°C). Condition material to 65° - 75°F before using.

Colors

Application Temperature

40° to 100°F. Sealant should be installed when joint is at mid-range of its anticipated movement.

Service Range

-40° to 170°F

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 40±5

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.

Pricing

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Sikaflex 1a Polyurethane Elastomeric Sealant