At present, in the field of decoration and decoration in China, blockboards are generally used as the basic board for home and project decoration. Blockboard, due to the use of plastic or not glued together as the core of solid wood, it is called Daxinban, is the leading product of China's decorative sheet at this stage. Due to the limitations of the processing technology and the difference in the quality of adhesives, the majority of formaldehyde released from blockboards on the market is exceeding the standard and has caused serious damage to the public environment and human health. However, due to the low price of large core boards, Daixin boards are still the main materials used in home improvement.

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According to industry insiders, Daxin board is environmentally friendly or not, and whether the glue used in the production process is environmentally friendly. Since the main raw material of the artificial board products is urea-formaldehyde agent as an adhesive, the glue materials are easily available, the price is low, the production process is relatively simple, and the use is convenient. Therefore, it is a core raw material product that the wood product production depends on for a long time. Since the 60s, foreign countries have begun to study the problem of pollution caused by the release of formaldehyde. Among them, Europe, Japan, the United States, and other developed countries and regions have successively formulated strict formaldehyde release standards in the 1990s. And through the continuous advancement of technology, it has gradually reached the industry standards of European E-class standards and Japan F-class standards. At present, under the support of the Beijing Municipal Science and Technology Commission New Material Development Center, the Beijing Environmental Protection Association, the Zhongguancun Science Park, the Urban Science Commission, and the Urban Private Enterprise Association, Beijing Haishu Century Technology Development Co., Ltd. has successfully developed the "environment-friendly urea-formaldehyde "Glue", and on this basis, the use of aldehyde reduction technology to produce a much higher than Europe, Japan, the current low release standards, so that consumers feel comfortable with the environmentally friendly Daxinban.

Sticking away from formaldehyde

At present, an integrated material made of solid wood is expected to become a substitute for artificial boards such as large core boards. According to reports, this integrated plate is imported from the United States of Alaska spruce as raw materials, cut into different lengths of the strip, the use of international popular technology - finger-splicing cross stitching method, because the entire substrate is all solid wood Bars and adhesives are used only for bonding between solid wood strips, and they use international environmental protection adhesives. Their maximum formaldehyde content is only 2mg/100g, which is far lower than the national regulations. At the standard of 9mg/100g, no odor can be heard even from the products that have just been shipped.

It is understood that this type of integrated sheet is currently used in buildings and home furnishings in Europe, America, Japan and other countries. Although it is more expensive than artificial boards such as large core boards, in terms of comprehensive indicators, it is actually not much higher than that of large core boards and other materials. Since the large core boards are used, they must be surface-treated according to their actual use. Face, grinding and other processes, so that the cost of finished products made of large core board is not low. This integrated plate, with its smooth surface and spruce pattern, is also beautiful. It can be painted directly without the need for polishing or veneering to make decorative panels, furniture, etc. Therefore, the production cost has not increased much.

Ou Song board is comparable to natural wood

At present, there is another large-core board upgrade product - "Ozon board." It is understood that Ou Song board is collectively referred to as OSB internationally. It is a new type of structural decorative sheet and is currently the most rapidly developing sheet in the world. It uses fast-growing loose pine as raw material and is processed into 40 to 100 mm long, 5 to 20 mm wide, 0.3 to 0.7 mm thick fins through special equipment. After drying, screening, degreasing, sizing, directional paving, heat A new type of artificial board made by the process of press forming.

Because the Ousong board is made of pine wood through many advanced and complicated processes, the wood texture structure is reorganized, so that its physical performance is extremely outstanding, and it is an upgrading product of large core boards and other man-made boards. But it is in essence different from Daxinban, density fiberboard and ordinary particle board. Ousong board adopts advanced environmental protection adhesives and meets the European highest environmental standard EN300 standard. The finished products fully comply with the European E1 standard and its formaldehyde emission is almost zero ( Tested by a national authority, the formaldehyde emission of Ousong board is 5mg/100g). Compared with natural wood, it can fully meet the current and future people's requirements for environmental protection and healthy living.

Due to the reorganization of the wooden texture structure, the Vonson plate completely eliminates the influence of the internal stress of the wood on the processing, making it exceptionally easy to process. As with logs, Vonsun plates can be drilled, planed, sawed and formed in any direction using standard fixed mechanical equipment, electric and hand tools.

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