Ecological paint free board has two obvious advantages:
1. Practicality: The surface of the ecological paint-free board has no color difference, has natural texture, fine texture, uniform structure, exquisite shape, and has good wear-resistance, washing, anti-corrosion, anti-acid and alkali performance, and is a good material for manufacturing furniture.
2, environmental protection: ecological paint free board does not require paint, thus avoiding the pollution caused by paint on indoor air.
Even if it is such a good plate, there are still some shortcomings. For example, when the eco-board is cut and edge-sealed, it is very easy to break. Therefore, it is necessary to pay more attention when constructing, and it is not easy to bump or touch. The paint-free board is destroyed, and once the paint-free board is damaged, it is a permanent damage and is difficult to repair. Then everyone should pay special attention: although the ecological board is moisture-proof and waterproof, it will be exposed to moisture in a humid environment for a long time, such as a bathroom with heavy moisture.
But when we are experiencing these problems, we must also know the expertise of some plates.
1. The deformation and opening of the sheet is caused by moisture content, bonding strength, immersion peeling and the like;
2. The fracture of the sheet is caused by the transverse static bending strength.
Analysis of the reasons affecting the moisture content of the board
1. Low solid content of adhesive
2. The hot pressing time is short, the hot pressing temperature is low, and the exhaust air is not timely after hot pressing.
3. Raw material moisture content is too high
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Analysis of the reasons affecting the bonding strength of plates
1. The moisture content of raw materials (single board) is too high
2. The quality of the veneer is different, the material of the veneer is different, or the pH of the veneer is alkaline.
3, the amount of glue is too thin, too little or uneven coating, the quality of the flour is poor when adjusting the glue
4, aging time is too long or too short
5, low hot pressing temperature, short time, insufficient pressure or unreasonable pressure reduction process
6, glue blank spots, veneer pollution and sundries
Affect the cause of plate immersion
1. The glue quality is poor, the viscosity is not enough, and the glue is not uniform.
2. The flatness of the substrate material is poor (such as fir, Malacca core).
3. The surface of the board is greasy and not sanded, and the surface coating material is thick.
4. When hot pressing, the temperature is low or the time is short, the glue cannot be fully cured, resulting in poor gluing quality. The glue is pre-cured in advance due to the long cycle before hot pressing.
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Analysis of the Causes of the Influence
1. The elm or poplar core board is too thin, and the upper and lower strengths are maintained by the tension of the core board to maintain strength.
2. The thickness of the core plate is sufficient but the sanding is uneven. There is no tension in the heavy place of the sand.
3. The hot pressing pressure is not enough.
4, the core width to thickness ratio does not meet the standard requirements, the core quality is poor, such as fir, Malacca core flatness (high and low), or wood fiber loose.
5. The glue quality is poor and the coating is uneven.
After reading these, I still feel that there is so much knowledge in the original plate. We only need to know about these professional knowledge. For consumers, we still hope to buy the products that we like. Therefore, Xiaobian suggested that you choose a big brand and purchase a plate product in a formal way. China's good plate brands include: Shenzhou home plate, fine artisan health plate, Moganshan plate and so on.
The top ten brands of the official website:
Shenzhou Home Plate National Service Hotline: 400-0218580
Official WeChat: szjybc
QQ: 2845704601
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