Sikaflex® primers are specialized, single-component, ready-to-use materials formulated to enhance the adhesion of Sikaflex® urethane sealants to various substrates. They are easily applied by brush, dauber, or spray.
- Single-component, ready-to-use formulation
- Easily applied by brush, dauber, or spray
- Clear color
- Shelf life of 6 months in original, unopened containers
- Storage conditions: dry, protected from direct sunlight, and temperatures between +40°F and +95°F (+4°C and +35°C)
Technical Specifications:
Sikaflex® Primer-429:
- Designed to promote adhesion to clean, sound, and dry concrete, masonry, Exterior Insulation Finish Systems (EIFS), and wood, including teak and mahogany.
- Coverage per pint (1/2” x 1/2” joint): 300 linear feet
- Packaging: Pints (6/carton); Gallons (2/carton)
- Color: Clear
- Shelf life: 6 months
- Storage conditions: Dry, protected from direct sunlight, and temperatures between +40°F and +95°F (+4°C and +35°C)
- Application instructions: Apply at substrate temperatures of 40°F and rising; surface must be frost-free.
- Substrate preparation: Surfaces must be dry and free of dirt, grease, mold release agents, loose mortar, laitance, and any foreign matter.
- Cleaning of tools: In case of spill or leaks, wear suitable protective equipment, contain spill, collect with absorbent material, and transfer to suitable container. Ventilate area. Avoid contact. Dispose of in accordance with current, applicable, local, state, and federal regulations.
Sikaflex® Primer-260:
- Promotes adhesion of urethane sealants to various metallic, non-metallic, and plastic substrates.
- Coverage per pint (1/2” x 1/2” joint): 300-500 linear feet
- Packaging: Pints (6/carton)
- Color: Clear
- Shelf life: 6 months
- Storage conditions: Dry, protected from direct sunlight, and temperatures between +40°F and +95°F (+4°C and +35°C)
- Application instructions: Apply at substrate temperatures of 40°F and rising; surface must be frost-free.
- Substrate preparation: Surfaces must be dry and free of dirt, grease, mold release agents, loose mortar, laitance, and any foreign matter.
- Cleaning of tools: In case of spill or leaks, wear suitable protective equipment, contain spill, collect with absorbent material, and transfer to suitable container. Ventilate area. Avoid contact. Dispose of in accordance with current, applicable, local, state, and federal regulations.
Sikaflex® Primer-449:
- Formulated to promote adhesion of Sikaflex® urethane sealants to porous substrates such as porous PVC, solvent-based enamel, PPG’s fluorocarbon Duranar-finish, and certain plastics such as ABS and Plexiglass. Not designed for applications on concrete or cementitious surfaces.
- Coverage per pint (1/2” x 1/2” joint): 300-500 linear feet
- Packaging: Pints (6/carton)
- Color: Clear
- Shelf life: 6 months
- Storage conditions: Dry, protected from direct sunlight, and temperatures between +40°F and +95°F (+4°C and +35°C)
- Application instructions: Apply at substrate temperatures of 40°F and rising; surface must be frost-free.
- Substrate preparation: Surfaces must be dry and free of dirt, grease, mold release agents, loose mortar, laitance, and any foreign matter.
- Cleaning of tools: In case of spill or leaks, wear suitable protective equipment, contain spill, collect with absorbent material, and transfer to suitable container. Ventilate area. Avoid contact. Dispose of in accordance with current, applicable, local, state, and federal regulations.
