WD Primer is professionally formulated to penetrate and cure within the surface, filling the texture and hardening the substrate prior to the application of a top coat. WD Primer is a unique formulation which includes advanced adhesion promoters, adhering strongly to the flooring, metal or other surface and creating a chemical bond when over-coated, for a long lasting finish.
Use on: Old and new concrete and polymer modified cementitious screeds Use where: Internal/External Typical industries: Commercial and industrial premises, such as dairies, hospitals, food and industrial areas Type of job: Preparation of a surface prior to over-coating. to ensure a good inter-coat bond, the topcoat should be applied between 24 and 48 hours after application of the Primer
Approximate coverage: 5kg - 25m-30m2 Special features: Extra chemical resistance, oil resistant, promoted adhesion for a long lasting finish, solvent free
Pot life: Approximately 60 minutes @ 20oC Application temperature: 10oC to 25oC Cure time: Approximately 24 hours Number of parts supplied: 2 Primer for: Polycote Flortex range of epoxy products
Please consult the technical data sheet for full technical product data.WD Primer Safety Data Sheet Size: (151.25 KB) WD Primer Technical Data Sheet Size: (277.1 KB) WD Primer - Technisches Datenblatt Size: (618.99 KB)
Thorough substrate preparation is essential.
Recommended methods are:
Powerfloated concrete – use a Vacuum Assisted Shotblaster to remove weak laitence and provide a surface key for the coating. If this is not possible, chemically etch with Polycote Etch IT then rinse thoroughly and allow to dry.
Loose paint or rust – remove, using a Vacuum Assisted Shotblaster, Floor Grinder or equivalent method. Loose or friable concrete – use a Vacuum Assisted Shotblaster. If this is not possible, chemically clean with Polycote Etch IT then rinse thoroughly and allow to dry.
Oil or grease – use Hot Compressed Air for large areas of contamination. Smaller, isolated deposits may be chemically cleaned with Polycote Degrease IT, then rinsed thoroughly and allowed to dry.
Terrazzo, quarry or ceramic tiles – treat with Polycote Etch IT, rinsing thoroughly after 20 minutes. See relevant Data Sheet prior to application.
Once prepared, the area must be kept clean and free of traffic.
Having fully prepared the substrate, stir the individual components before mixing together. Add Part 'B' to Part 'A' and thoroughly mix for at least 3 minutes. For best results use a heavy duty slow speed drill with a mixing paddle.
Ensure thorough mixing as an unmixed product will result in a poor or non-cure situation.
Prior to application of epoxy coatings – apply WD Primer by brush, roller or squeegee, making sure that the surface is completely covered. Particular attention should be given to doorways and other areas of high traffic. When finished, DO NOT scrape the remaining contents from the container as this will invariably include unmixed raw resin.
IMPORTANT – Ensure thorough coverage of porous surfaces, working the primer well into the surface. Failure to do this may allow the floor to ‘breathe’ and result in pinholing or bubbles in the epoxy top coat.
Prior to application of cementitious screeds – apply as above, then sprinkle kiln-dried quartz (ideally 0.3-0.6mm) onto the WET primer to provide a mechanical key and allow to cure. Any loose quartz should then be brushed off before laying the screed.
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