Description
Sika Primer 3N is a one-component solvent-based adhesion promoter for Sikaflex, SikaBond and Sikasil products used on porous (e.g. concrete) and metallic substrates.
FEATURES
- Easy to apply
- Water repellent
- Isocyanate-free
- Fast drying
PRODUCT DATA
Appearance/Color: Transparent
Pack size: 250 ml metal container or 1l metal container.
Storage conditions/Shelf life: 9 months from the date of manufacture if the product is stored in its original closed packaging, in a dry environment, at temperatures between + 5°C and + 25°C.
App Details
Consumption
In joints: approximately 5 ml of Sika® Primer 3N per linear meter in joints 1 cm deep (placed on both sides).
On surfaces: 150 ml of Sika® Primer 3N per square meter of surface to be primed.
In any case, it will depend on the absorption and porosity of the substrate.
Substrate quality
The surface must be clean, dry, free of oil and dust. Any cement slurry or loose material must be removed.
Application
Conditions / Limitations
Substrate temperature: must be at least 3°C above the dew point temperature.
Ambient temperature: +5° C min / +40° C max.
Application Method / Tools
Apply Sika® Primer 3N with a brush directly to the inside edges of the joints, avoiding painting the bottom of the joint.
Apply a thin, continuous layer in a single pass.
Close the container tightly immediately after each use.
Application Notes / Limitations
Primers improve the long-term performance of sealed joints.
Sika® Primer 3N must be used within 30 days of opening.
Discard any primer that has gelled or fragmented.
Primers are adhesion promoters. The use of Sika® Primer 3N does not exempt you from the obligation to properly prepare and clean the joint edges.
It should be applied away from a heat source and preferably in ventilated areas.
