Solid wood furniture topcoat painting and its precautions

Paint, coating on the outermost surface of the furniture, furniture outermost film in contact with the outside world, it is not only to have a series of physical and chemical properties, such as abrasion, weathering, chemical resistance, etc., and also on the gloss , feel, transparency, fullness, etc. have strict requirements.

Select topcoat, the need for paint required according to different categories of furniture, bedroom furniture as in claim topcoat has fullness, texture and good performance; furniture requirements finish with high hardness and scratch resistance and the like.

As one of the leading companies in the field of furniture lacquer, Changrunfa Coating Group Co., Ltd. covers five series of PU, PE, NC, UV, water, etc., hundreds of products, various types of topcoats, and topcoats in solid wood furniture. The coating has accumulated a wealth of experience, the following is a brief introduction to the relevant painting process.

First, the topcoat spray and precautions

Before spraying, please pay attention to: 1. Keep the paint room and construction tools clean; 2. Before the preparation, observe the appearance of the paint, judge whether it has expired and deteriorated, and mix well (this can prevent precipitation and ensure its gloss, viscosity, hardness); 3. After the paint is strictly prepared according to the ratio, use 200 mesh filter to remove impurities; 4. The formulated PU topcoat is generally required to be used within 4 hours; 5. When the temperature is lower than 15 °C, choose winter thinner The temperature is 15 ° C to 25 ° C to choose the standard diluent; when the temperature is higher than 25 ° C, choose the summer thinner; when the room temperature > 35 ° C or relative humidity > 90%, the construction should be stopped.

In the process of spraying the topcoat, according to the requirements of the painting effect of the sprayed workpiece, the W-71 (about 1.5 mm diameter) spray gun is selected. Adjust the width of the spray gun and the amount of oil. The gun distance is recommended to be 15CM to 20CM. Spraying usually adopts the “cross” cross method. During the spraying process, the condition of the film can be observed at any time to prevent the phenomenon of sagging, orange peel and insufficient paint. At the same time, care should be taken not to spray too thick, pay attention to the humidity of the construction environment to avoid blistering. Whitening, corner bridges and other issues. After spraying, put it into the drying room for natural drying. After the surface oil is sprayed, it needs to be dried for 2 hours to 4 hours in the winter, and then the basic surface is confirmed to dry; after drying for more than 24 hours, it is confirmed to be completely dry (the drying time in summer is shortened).

Second, the coating effect check

After the painting is completed, the film properties of the furniture products are tested according to different requirements. The paint film requires good hand feeling and good fullness. It must not have orange peel, sag, pile edge, pinhole, granules, uneven gloss and so on.

After the test is passed, the furniture painting process is completed and the product can be packaged accordingly.

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