1. Producte acabatview
The Mar-Hyde 5545 4.4 Ultimate 2K High Speed Primer Buff is a high-performance, two-component (2K) urethane primer surfacer designed for automotive applications. This product is formulated for fast drying, high adhesion, and excellent smoothing properties, making it ideal for preparing various surfaces before topcoat application.
It is suitable for use on automotive bodies and surfaces, including metal and plastic, providing a semi-gloss brown finish. The 1-quart volume ensures sufficient quantity for typical repair or restoration projects.
Image 1.1: A 1-quart can of Mar-Hyde Ultimate 2K High-Speed Urethane Primer Surfacer. The label features the "mar-hyde" logo and "ULTIMATE 2K" branding, indicating its high-speed and urethane properties. The color is described as "Buff, Chamois, Vainilla".
2. Configuració i preparació
2.1 Precaucions de seguretat
- Ensure adequate ventilation in the work area. Use a respirator with appropriate cartridges for organic vapors and particulates.
- Wear protective gloves (e.g., nitrile) and eye protection (safety goggles or face shield).
- Keep away from open flames, sparks, and other ignition sources.
- Read the Safety Data Sheet (SDS) for complete safety information before use.
2.2 Preparació de la superfície
Proper surface preparation is crucial for optimal adhesion and finish quality.
- Clean the surface thoroughly to remove all dirt, grease, wax, and contaminants. Use a suitable automotive degreaser.
- Sand the surface to achieve proper adhesion. For bare metal, use 80-180 grit sandpaper. For existing finishes, use 320-400 grit sandpaper.
- Wipe the sanded surface with a tack cloth to remove dust particles.
2.3 Product Mixing
This is a 2K primer, requiring the addition of an activator (hardener). Refer to the product label or technical data sheet for the exact mixing ratio, which is typically by volume.
- Stir the primer thoroughly before adding the activator.
- Measure the primer and activator accurately according to the recommended ratio.
- Mix the components thoroughly for at least 2-3 minutes until a uniform consistency is achieved.
- Allow an induction period (flash-off time) if specified by the manufacturer before application.
3. Instruccions de funcionament
3.1 Aplicació
The Mar-Hyde 5545 primer is typically applied using a spray gun for best results on automotive surfaces.
- Spray Gun Setup: Use a spray gun with a recommended fluid tip size (e.g., 1.4-1.8 mm) and set air pressure according to equipment manufacturer guidelines and desired atomization.
- Tècnica d'aplicació: Apply 2-3 medium wet coats, allowing appropriate flash-off time between coats (typically 5-10 minutes, depending on temperature and humidity).
- Film Build: Aim for a uniform film build to ensure proper filling and leveling of surface imperfections.
3.2 Drying and Curing
This primer is designed for high-speed drying.
- Dust-Free Time: Approximately 10-15 minutes at 70°F (21°C).
- Sandable Time: Approximately 30-60 minutes at 70°F (21°C), depending on film thickness and environmental conditions. Forced drying (baking) can accelerate cure times.
- Ensure the primer is fully cured before sanding or applying subsequent coats.
3.3 Polit i acabat
Once cured, the primer can be sanded to achieve a smooth, uniform surface for topcoat application.
- Dry Sanding: Use 320-600 grit sandpaper for dry sanding.
- Wet Sanding: Use 600-800 grit sandpaper for wet sanding.
- Ensure all sanding marks are removed and the surface is perfectly smooth before applying basecoat or topcoat.
4. Manteniment
4.1 Tool Cleaning
Clean all spray equipment and tools immediately after use with an appropriate lacquer thinner or gun cleaner. Do not allow primer to dry in equipment.
4.2 Emmagatzematge del producte
- Store the primer and activator in their original sealed containers in a cool, dry, well-ventilated area.
- Keep containers tightly closed when not in use to prevent moisture contamination and solvent evaporation.
- Protect from freezing temperatures and direct sunlight.
- Shelf life may vary; refer to the product label for specific recommendations.
5. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Mala adherència | Improper surface preparation (e.g., contamination, insufficient sanding). | Ensure surface is clean and properly sanded. Re-prepare and re-apply. |
| Slow Drying/Curing | Incorrect mixing ratio of primer to activator; low temperature or high humidity; excessive film thickness. | Verify mixing ratio; ensure proper environmental conditions; apply thinner coats. |
| Uneven Finish / Orange Peel | Improper spray gun setup (e.g., incorrect pressure, tip size); primer too thick; improper application technique. | Adjust spray gun settings; thin primer if necessary (refer to product data sheet); adjust application technique for even coverage. |
| Pinholes / Bubbles | Surface contamination; trapped air; too fast drying; excessive film build. | Ensure surface is clean; allow proper flash-off between coats; apply thinner coats. |
6. Especificacions
- Marca: 3M (Mar-Hyde)
- Número de model: 5545
- Volum de l'article: 1 Quart (32 Ounces)
- Formulari de l'article: Líquid
- Tipus de pintura: 2K Polyurethane/Epoxy
- Color: marró
- Tipus d'acabat: Semibrillant
- Característiques especials: Fast-Drying, High Adhesion, Smoothing
- Usos específics: Automotive bodies, Automotive surfaces
- Recomanació de superfície: Various Surfaces (Metal, Plastic, Automotive)
- Pes de l'article: 5.3 unces
- Dimensions del paquet: 4.6 x 4.1 x 3.4 polzades
- UPC: 083463055459
- Data de primera disponibilitat: 11 d'octubre de 2010
7. Garantia i Suport
For specific warranty information regarding the Mar-Hyde 5545 4.4 Ultimate 2K High Speed Primer Buff, please refer to the product packaging or contact 3M customer support directly. General product support and technical assistance can be obtained through the manufacturer's official channels.
For further assistance, please visit the official 3M website or contact their customer service department. Always refer to the most current technical data sheets and safety data sheets provided by the manufacturer for detailed and up-to-date information.