Painting and finishing are the final steps in home decoration, and they play a crucial role in the overall appearance of the project. These processes can be broadly divided into two categories: wall and ceiling coatings, such as latex paint, and wood surface coatings, like varnishes and paints. In home improvement projects, wood coatings typically consist of primer and topcoat layers, with different types used for furniture, floors, and other surfaces.
Currently, common paints used in home decoration include nitrocellulose lacquer (NC), polyurethane lacquer (PE), and polyester lacquer (PU). Nitrocellulose lacquer has long been the preferred material for high-end furniture in China. However, polyester lacquer is gaining popularity due to its excellent performance and advanced technology. Brands like Crocodile, Bauhinia, Dabao, Nippon, and Four Seasons are widely recognized in the market. As for products labeled as "crystal paint" or "all-round paint," they often fall outside the traditional PE or PU classifications. Similarly, "high gloss" and "matte" finishes differ mainly in their visual effects, with matte paints containing additives to reduce shine.
When purchasing paint, consider several key factors:
First, the variety and performance of the paint should match your needs. A high-quality product should offer good protection, aesthetics, ease of application, cost-effectiveness, and environmental safety. Always refer to the manufacturer's instructions for details on quality indicators.
Protection is essential. The paint film should have sufficient mechanical strength, heat resistance, water resistance, and durability. It should also resist chemical corrosion and temperature changes. Flexibility is important to prevent cracking due to wood moisture changes.
For decorative purposes, the finish should be smooth, even, and either glossy or matte, depending on your preference. Clear paints should highlight the natural grain of the wood, while opaque paints should provide lasting beauty and color retention.
Processability refers to how easy it is to apply the paint and how quickly it dries. This affects the overall efficiency of the project.
Economical options are always appealing, but avoid cheap paints that are past their shelf life. Most paints have a one-year shelf life from the date of production.
Environmental safety is increasingly important. Many paints on the market contain harmful substances like free isocyanate and xylene. Choosing low-emission options is better for long-term health.
Purchase from reputable manufacturers that provide quality guarantees. Check the batch number and production date to ensure the product is up to standard before buying.
Estimate the amount needed and buy in one go to avoid color differences between batches. Paints are often marked with coverage areas, such as 12 square meters per gallon for wood paints. Use the same brand or matching primer and topcoat to prevent chemical reactions. Always check the packaging instructions for the recommended type of primer or finish.
Before purchasing, open the paint can and inspect the texture. A smooth, fine texture usually means better results after application. Look for signs of separation or clumping, which indicate poor quality.
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