Renner YL-M643/CO2 Mono-Bi Component White WB Basecoat for Wood & MDF – Superior Coverage & Sanding

Achieve a professional-quality finish on your wood and MDF projects with the Renner YL-M643 Mono-Bi Component White WB Basecoat.

This high-performance basecoat offers exceptional insulating and covering power, ensuring a smooth and flawless surface for your topcoats. Its unique formula is easy to sand, making it ideal for both manual and automated sanding processes. Experience the difference a quality basecoat makes with Renner!

Key Features and Benefits:

• Versatile Application: Ideal for a wide range of wood types, including MDF, this basecoat excels in general purpose applications and on turned parts, offering exceptional versatility for your woodworking projects.
• Superior Coverage & Insulation: Achieve a flawless finish with the high-insulating and covering power of this basecoat. It effectively minimizes wood grain visibility and creates a smooth, uniform surface for subsequent topcoats.
• Easy Sanding: Save time and effort with the excellent sandability of this basecoat. It can be sanded with automatic sanding machines, allowing for quick and efficient surface preparation between coats.
• Extended Pot Life: Enjoy a long pot life of 3 hours after catalyzing with YC—M401 or YC M402 (4-8%), minimizing waste and providing ample working time for larger projects.
• Durable & Long-lasting: Formulated for interior use, this basecoat provides a durable foundation for your topcoats, ensuring a long-lasting and beautiful finish that withstands everyday wear and tear.
• Compatible with Various Topcoats: This basecoat is compatible with both waterborne and solvent-based PU topcoats, offering flexibility in your finishing system choices. (Note: Overcoating with Redox polyester coatings is not recommended).
• Easy Application: Apply with ease using conventional spray, airless, air mix, or electrostatic guns suitable for waterborne products.

Description:

RENNER YL-M643 is a high-quality, mono-bi component white water-based basecoat designed for professional and DIY wood finishing projects. This versatile basecoat is suitable for various wood types, including MDF, and offers exceptional insulating and covering power, making it ideal for achieving a smooth and flawless finish.

Fields of Use:

• Furniture Manufacturing: Apply to chairs, tables, cabinets, and other furniture pieces to create a smooth and durable base for topcoats.
• Cabinetry: Achieve a professional-grade finish on kitchen cabinets, bathroom vanities, and other cabinetry projects.
• Interior Woodwork: Use on doors, window frames, moldings, and other interior wood surfaces to enhance their appearance and protect them from wear and tear.
• Turned Parts: Ideal for finishing decorative items, spindles, and other turned wood components.
• DIY Projects: Perfect for hobbyists and DIY enthusiasts looking to achieve a professional finish on their woodworking projects.

Feature Details:

• Type: Mono-bi component white water-based basecoat
• Versions: M643/–C02 (white)
• Solid Contents: 50 ± 2 %
• Specific Gravity: 1.25 ± 0.05 g/cm³
• Viscosity (DIN 6, 23°C): 50 ± 10 s
• pH: 7 – 9
• Vertical Application (wet): 200 µm
• Recommended Number of Coats: 1 to 3
• Recommended Application Weight: 150 – 250 g/m²
• Interval Between Coats: 2 hours
• Spreading Rate: 6 – 10 m²/litre
• Drying Time (20°C, 45-65% RH, 160 g/m²):

  • Dust Free: 30 minutes

  • Handling: 60 minutes

  • Overcoating: 4 hours

  • Sanding Time: 2 hours

• Forced Drying (160 g/m²):

  • Flash Off (30°C): 10 minutes

  • Laminar Air (45°C): 45 minutes

  • Cooling (25°C): 5 minutes

  • Stackable/Overcoating: 60 minutes

  • Sanding Time: 2 hours

• Shelf Life: 18 months (if stored properly between 5 and 35°C)
• Catalysts: YC—M401 or YC M402 (4-8%)
• Pot Life after Catalysis: 3 hours

Coating System Description & Warnings:

• Some wood species (oak, acacia, ash) may release water-soluble substances that can stain the basecoat. For these species, catalyze with hardener YC M401 at 5% or use a PU-based topcoat.
• Avoid excessive product quantity in a single coat and wet-on-wet applications.
• This basecoat can be overcoated with both waterborne topcoats for interior use and solvent-based PU topcoats. However, overcoating with Redox polyester coatings is not recommended.
• Maintain an application temperature above 15°C.
• Ensure proper ventilation during application and drying.
• Dispose of coating waste according to local regulations.

Important: Please refer to the Product Data Sheet for the complete product description, application guidelines, safety precautions, and other important information.