What is the difference between Sikaflex 291 and 291i?
With a slight change to the curing system (The icure system) Sikaflex 291 – Marine Grade Sealant is renamed Sika 291i. Sikaflex 291i is one of the market leading Sealants & Adhesives for use in the Marine Industry, and boat building, perfect for a wide number of applications.
How strong is Sikaflex 291?
1.8 MPa
Product Details
| Chemical base | 1-component polyurethane |
|---|---|
| Tensile strength (CQP036-1 / ISO 527) | 1.8 MPa |
| Elongation at break (CQP036-1 / ISO 527) | 500 % |
| Tear propagation resistance (CQP045-1 / ISO 34) | 6 N/mm |
| Service temperature (CQP513-1) | -50 ─ 90 °C 160 °C 180 °C |
How long does Sika 291 take to dry?
Product Details
| Chemical base | 1-component polyurethane |
|---|---|
| Application temperature | 10 ─ 40 °C |
| Skin time (CQP019-1) | 60 minutes A |
| Open time (CQP526-1) | 45 minutes A |
| Curing speed (CQP049-1) | (see diagram) |
Is Sika 291 an adhesive?
The Sikaflex-291150ml White Marine Adhesive Sealant is a multi-purpose product for use in marine construction. It is suitable for making elastic, vibration-resistant joint seals and can also be used for a variety of interior and exterior sealing applications.
Is Sikaflex permanent?
Sikaflex®-11 FC is a one-component, gun-grade, adhesive and sealing compound of permanent elasticity.
Is Sikaflex 291 paintable?
Sikaflex®-291 can be best painted after formation of a skin. Painting could be improved by treating the joint surface with Sika® Aktivator-100 or Sika® Aktivator-205 prior to paint process. If the paint requires a baking process (> 80 °C), best performance is achieved by allowing the sealant to fully cure first.
How do you remove Sikaflex 291 from hands?
- Remove Sikaflex from your skin as soon as it is exposed to the substance.
- Soak a cloth in mineral oil and use it to scrub uncured Sikaflex.
- Remove cured Sikaflex products by scraping the product with a razor blade or a putty knife.