Five factors affecting the release of formaldehyde from furniture

The factors that affect the amount of formaldehyde released from furniture are complex. Regarding the overall product, as far as its base material-wood-based panel is concerned, there are many factors that affect the formaldehyde release of wood-based panels. The material type, glue type, amount of glue used, hot pressing conditions, post-processing, etc. may all cause formaldehyde release. Influence. As the formaldehyde release of furniture, it is necessary to emphasize the following five factors: 1. Decoration method The surface decoration method of furniture has obvious sealing effect on formaldehyde. In the specific implementation process, attention should be paid to the use of low formaldehyde release adhesives. , Various decorative materials and coatings, and reasonable craftsmanship to ensure that no new formaldehyde is released after decoration. 2. Load rate The so-called load rate refers to the ratio of the surface area of u200bu200bindoor furniture exposed to the air to the indoor volume. The greater the loading rate, the higher the formaldehyde concentration. Therefore, when the functions are basically satisfied, the number and volume of furniture in the indoor space should be reduced as much as possible, so as to reduce the emission of formaldehyde in the furniture. 3. The diffusion path is worth emphasizing is the importance of panel furniture edge sealing. At the same time, when designing furniture, thin plates can be used as much as possible under the premise of meeting the strength and structure. 4. Use environment The actual use conditions of the use environment have a great impact on the formaldehyde emission of furniture. Temperature, humidity and ventilation will affect the emission of formaldehyde. Under normal climatic conditions, an increase of 8°C in temperature will double the concentration of formaldehyde in the air; an increase of 12% in humidity will increase the release of formaldehyde by about 15%. Therefore, under conditions, air conditioning and fresh air system devices can be used to adjust the indoor temperature, humidity and fresh air volume, so that formaldehyde emission can be appropriately controlled. 5. Aging time and conditions The formaldehyde emission concentration of furniture is positively correlated with the aging time after production. Therefore, it should be aged for a period of time before use, and placed in a high-temperature and high-humidity environment during aging to accelerate the emission of formaldehyde to reduce pollution in future use.
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