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Silicone sealant isn’t bonding well to powder-coated fascia around signage frame.
Use Primer 50A to prepare the powder-coated metal before applying silicone, ensuring long-term adhesion.
Wipe with 50A and allow to flash off before sealing. Avoid re-contamination of surface.
PU adhesive fails to adhere to smooth marine-grade plastic components.
Prime plastic and fibreglass contact areas with Primer 50A to boost adhesion.
Use 50A on both surfaces. Apply adhesive within minutes of priming.
No, 50A Primer is specifically formulated for non-porous substrates only. For porous surfaces, such as unsealed concrete or timber, Adheseal 2001 primer is recommended. You can test porosity by applying a $1 coin-sized puddle of water; if it absorbs in under two minutes, the surface is porous.
When applied sparingly as a thin wipe, 50A Primer dries completely within 15 seconds. This fast drying time allows for rapid turnaround on site, ensuring minimal delays before sealant or adhesive application. Over-application can prolong drying and affect performance.
For most non-porous surfaces, thorough cleaning with Adheseal IPA cleaner before applying 50A Primer is sufficient. However, for extremely non-porous substrates like some powder coats, or when maximum performance and longevity are critical, light abrasion is recommended prior to cleaning and priming. This enhances adhesion significantly.
50A Primer is a highly flammable liquid and vapour, classified as Dangerous Goods. Always use it in well-ventilated areas, away from ignition sources, and wear appropriate PPE including chemical goggles, nitrile gloves, and an apron. Do not use if the primer appears milky, as this indicates water absorption and reduced effectiveness.
| Application | Key benefit | Primary trades |
|---|---|---|
| Bonding sealants/adhesives to powder coat | Ensures reliable, long-term adhesion where standard methods fail, preventing delamination and callbacks on challenging surfaces. | Fabricators, Sign manufacturers, Automotive repairers |
| Enhancing adhesion on metals (excluding Lead & Copper) | Provides a strong bond between sealants/adhesives and metals like aluminium, critical for structural integrity and weatherproofing. | Sheet metal workers, Marine technicians, Caravan manufacturers |
| Prepping plastics, acrylics, and polycarbonates | Improves bond strength for sealants/adhesives on common plastic substrates, reducing the risk of premature failure or lifting. | Glaziers, Sign manufacturers, Automotive repairers |
| Adhesion promotion for painted or lacquered surfaces | Secures sealants/adhesives to smooth, non-porous painted finishes, extending system life and maintaining aesthetic integrity. | Painters, Installers, General builders |
Ensure the surface is dry and free from grease, oil, dust, and any contaminants. Use an appropriate cleaner or degreaser.
Dampen a clean, lint-free cloth or primer pad with Primer 50A. Do not oversaturate.
Apply Primer 50A in a single uniform stroke across the bonding area. Avoid circular motion or double-application.
Let the primer dry for approximately 30 seconds to 2 minutes. The surface should appear dry and clear before proceeding.
Apply the selected Adheseal sealant or adhesive immediately after flash-off. Do not delay or allow contamination.
Danger. 50A Primer is a highly flammable liquid and vapour. It causes serious eye irritation, may cause an allergic skin reaction, and is harmful if inhaled. It is toxic to aquatic life with long-lasting effects.
Wear safety shoes, chemical-resistant gloves (nitrile rubber recommended), an apron, and chemical goggles or safety glasses with side shields. Ensure adequate ventilation or use appropriate respiratory protection if working in confined spaces.
Use only outdoors or in well-ventilated areas. Maintain air concentrations below occupational exposure standards. Local exhaust ventilation may be required in enclosed spaces.
Store in a cool, dry, well-ventilated place between 10°C and 35°C, out of direct sunlight, and away from foodstuffs or incompatible materials. Keep containers tightly closed when not in use and away from all sources of heat and ignition. Dispose of contents and container in accordance with local, regional, and national regulations.
Proper substrate preparation is critical for durable adhesion. 50A Primer is designed exclusively for non-porous surfaces to prevent bond failure.
Surface prep: All surfaces must be structurally sound, dry, and clean. Remove all dust, loose material, oils, grease, and contaminants. For reliable performance, especially on powder coat or other difficult non-porous materials, clean the area thoroughly with Adheseal IPA cleaner. For maximum adhesion on extremely non-porous substrates, light abrasion of the surface before cleaning with IPA is recommended.
Primer: Required. Wipe the cleaned area with 50A Primer using a clean cloth, applying very sparingly. Allow to dry completely, typically within 15 seconds. Do not expose the primed surface to thermal, mechanical, or chemical influences before it has fully dried. Do not use 50A Primer if it appears milky, as this indicates water contamination and will compromise adhesion.
| Property | Value |
|---|---|
| Product Type | Clear alcohol solution |
| Curing System | Evaporation |
| Consistency | Thin liquid |
| Application Temperature | +5°C to +40°C |
| Shelf Life | 12 months in original packaging |
| Cure Time | 15 seconds |
| Clean Up Agent | Alcohol or solvent |
| Storage Temperature | 10°C to 35°C |
| Flash Point | 12°C |
| Specific Gravity | 0.79 Kg/L |
| Solubility | Insoluble in water |
| Colour | Clear (when usable), Milky white (when contaminated) |
Here are some common examples on where Adheseal Primer 50A used by our customers.
