Wood Grain Enhancement Transparent Coating Weathering Resistance Exterior Factory Direct

HILHELM GRAIN-PRO-800 is a premium water-based clear coating formulated to dramatically enhance the natural grain patterns of wood. Using advanced wetting and refractive index matching technology, it deepens wood color and highlights grain contrast—creating the coveted "wet look" or "grain pop" effect sought after by furniture makers, flooring specialists, and architectural woodworkers.

• Wetting Angle Optimization: Ultra-low surface tension ensures coating penetrates into open grain pores, filling micro-crevices that scatter light
• Refractive Index Matching: The cured film has a refractive index close to wood lignin, minimizing light scattering at the coating-wood interface
• Contrast Amplification: Darker grain lines absorb more coating, creating amplified visual depth between earlywood and latewood
• Non-Yellowing: Advanced UV stabilizer package prevents the amber shift that yellowed varnishes impose on natural wood color

HILHELM's GRAIN-PRO series represents 20 years of polymer formulation expertise. Our ISO 9001:2015 facility includes a dedicated optical testing station with haze meter, gloss meter, and spectrophotometer for color consistency verification.Trusted by furniture manufacturers in 20+ countries.

• outdoor preservative-treated wood / Preservative-treated wood coating for exterior use

No. GRAIN-PRO-800 amplifies the natural grain without building a thick plastic-looking film. The result is wood that looks richer and deeper—not coated in plastic. We specifically engineered it to avoid the "plastic wrap" look of some polyurethane coatings.

Open-grain hardwoods (oak, ash, mahogany, walnut) show the most dramatic transformation. Closed-grain woods (maple, cherry, birch) show subtle but noticeable deepening.

Absolutely. GRAIN-PRO-800 is compatible with water-based and solvent-based wood stains. Always ensure the stain is fully dry before coating.

We recommend 2 coats. The first coat penetrates and seals, the second builds the optical enhancement layer.