Recently, some netizens asked: What kind of wood filler is used to repair the defective joints in Pinus sylvestris?

The answer is that Pinus sylvestris, radiata pine finger joint boards, and laminated timber are considered high-quality wood products. Through jointing and integration processes, wood utilization rates can be significantly improved. However, one major challenge remains—how to effectively eliminate surface imperfections such as nail holes, cracks, and other blemishes that may appear on solid wood or processed wood products.

Repairing these surface defects has long been a tough issue for many wood manufacturers. While traditional methods like atomic ash have been adopted in the metal industry and later applied to wood products, they come with several drawbacks. Many companies that have tried atomic ash report problems such as high hardness, difficulty in polishing, challenges in coloring, and excessive fast drying. Additionally, it tends to swell over time, leading to further damage. Some manufacturers also use pig blood-based fillers or homemade putty, but the results are still far from ideal.

However, a new solution is emerging. Some companies are now using nano-environmental plant fiber technology to develop a next-generation water-based, eco-friendly wood filler specifically designed for Chinese users. This innovative product not only offers better adhesion and workability but also ensures a more natural finish and environmental safety. It's a promising step forward in the wood finishing industry, addressing long-standing issues with traditional materials while meeting modern demands for sustainability and quality.

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Heilongjiang Junhe Building Materials Technology Co., Ltd , https://www.junhejiancai.com