2390919_TDS.pdf

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BUILDING TRUST
PRODUCT DATA SHEET
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Sikaflex -291
Multifunctional adhesive sealant for marine applications
TYPICAL PRODUCT DATA (FURTHER VALUES SEE SAFETY DATA SHEET)
Chemical base 1-component polyurethane
Color (CQP001-1) White, black
Moisture-curing
Density (uncured) depending on color | 1.3 kg/I (10.8 Ib/gal)
Non-sag properties Good
Application temperature ambient | 5 40 C (41 104 F)
Skin time (CQP019-1) 60 minutes *
Open time (CQP526-1) 45 minutes *
Curing speed (CQP049-1) (see diagram 1)
Shrinkage (CQP014-1) 5%
Shore A hardness (CQP023-1 / ISO 48-4) 40
Tensile strength (CQP036-1 / ISO 527) 1.8 MPa (260 psi)
| Elongation at break (CQP036-1 / ISO 527) 500%
Tear propagation resistance (CQP045-1 / ISO 34) 6 N/mm (35 pli)
Service temperature (CQP513-1) -50-90 C (-58- 194 F)
4 hours | 160 C (320 F)
1 hour | 180 C (356 F)
Shelf life (CQP016-1) 12 months
CAP = Corporate Quality Procedure 4) 23 C (73 F) /50 % rh, 5) storage below 25 C (77 F)
DESCRIPTION PRODUCT BENEFITS AREAS OF APPLICATION
Sikaflex -291 is a non-sag 1-component poly- = Bonds well to a wide variety of substrates Sikaflex -291 is a multipurpose product for use
urethane sealant specifically developed for the Good aging and weathering resistance in marine constructions. It is suitable to make
marine market, which cures on exposure to at- = Elastic elastic, vibration-resistant joint seals, and can
mospheric moisture. * Low odor also be used for a variety of interior sealing ap-
+ Non-corrosive plications. Sikaflex -291 bonds well to the ma-
= Can be over painted terials commonly used in marine construction
= Can be sanded like wood, metals, metal primers and paint
= Listed under NSF Proprietary Substances coatings (2-C systems), ceramic materials and
and Nonfood Compounds (black and white) _plastics (GRP, etc.). Sikaflex -291 must not be
used to seal plastics that are prone to stress
cracking (e.g. Plexiglas, Polycarbonate, etc.).
Once cured, Sikaflex -291 can easily be sanded
as required.
This product is suitable for experienced profes-
sional users only. Test with actual substrates
and conditions have to be performed to ensure
adhesion and material compatibility.
PRODUCT DATA SHEET
Sikaflex -291
Version 02,01 (04 – 2022), en_US
(012001202914001000 _
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