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Sikaflex 291 Long Open Time
Sika Sika
  • Sikaflex 291 Long Open Time

Sikaflex 291 LOT

Sikaflex 291 LOT is an all purpose elastic adhesive, used to bond floors to subfloors or metallic frames, exterior or interior panels, bonding trim moldings to hull etc. Long open time. The 10.3 oz cartridge pictured above is used in conjunction with an inexpensive caulking cartridge gun. The 3 oz size comes in a squeeze tube and does not require a cartridge gun.
 
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Tech Spec Product Info User Generated Content
    Technical Specifications
  • Density: 10.3 lb/Gal
  • Tack Dry: 3-5 hours
  • Rate of Cure: 1/4 in x 1/4 in bead 14 days at 40 deg F/60 percent RH
    1/4 in x 1/4 in bead 7 days at 73 deg F/50 percent RH
    1/4 in x 1/4 in bead 2 days at 73 deg F/90 percent RH
    1/4 in x 1/4 in bead 3 days at 100 deg F/40 percent RH
  • Shore A Hardness (ASTM D2240): 40 to 45
  • Elongation at break (ASTM D4132): 700 percent
  • Tensile Strength (ASTM D412): 200 psi
  • Lap sheer strength (ASTM D1002): 120 psi
  • Peel Strength: 30 lbs/in on fiberglass, 25 lbs/in gelcoat
  • Application temperature: 40-110 degrees F
  • Service Range: -40-180 degrees F
  • Colors: White, Black and mahogany
  • Sandable, paintable, waterproof
  • Shelf Life: 15 months
  • Below Water Line (yes/no): Yes
    BRAND: Sika
    Material: Polyurethane
    Rate Of Cure: Slow
    Strength: Good
    Type: Adhesive
    Usage: Bonding
    4.4 5

    good stuff

    4

    durability,functional

    boatman BAILEY

    concord nh

    Yes

    Not exactly what i wanted but it worked.

    4

    WE used the Sikaflex 291 LOT for caulking the deck seams on our antique runabout. The Sika brand is the preferred and the best product for the job. However the LOT isn't really what we wanted. The normal or quick cure would have been greatly preferred.

    mike

    Michigan

    Truly "Long Open Time"

    4

    This is equal to 4200 but with a slower cure rate. This allows for a partially used tube to be stored for up to 30 days. Other types curing solid in an opened tube in as little as one day. This does mean the use of the product might take up to a week or more to fully cure but for my project this was not a problem.

    Jim E.

    COBBS CREEK, VA

    Yes

    Long open time is right

    5

    I have used the same tube for about 30+ days and still flows like the 1st day. Re bedding above water line items on a sail boat that I am working on. Tape around fittings for easy clean up.

    Kurt

    Maine, USA

    Yes

    Sikaflex 291 LOT

    5

    We use this product for bedding teak toe rails and hardware on sailboats. It will last in the tube better than 5200. Easy clean up with mineral spirits.

    JW

    Homewood, Kansas

    Yes

    Sikaflex 291 LOT

    4.45

    100.0

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