PVC sheet quality unqualified formaldehyde will be released?
Shijiazhuang will, in addition to formaldehyde fixed enterprise Shijiazhuang better than good environmental protection engineering Co. Ltd. senior engineer said: indoor air formaldehyde pollution sources are: furniture and fabrics, wood products, packing building source, cleaning agents, cosmetics and personal care products, which mainly man-made sheet.
1, from the interior decoration of plywood, blockboard, MDF and particleboard and other man-made panels.2, from indoor furniture, including man-made board furniture, cloth art furniture, kitchen furniture and so on.3, from the composition of formaldehyde containing other types of decorative materials, especially substandard white latex and paint.4, from the interior decorative textiles, including bedding, wallpaper, wallpaper, carpet and curtain etc..General renovation of the house, its formaldehyde content may exceed 6 times the standard, individual may exceed 40 times the standard. Studies have shown that formaldehyde content in the indoor environment is closely related to the use time, temperature, humidity and ventilation conditions of the house. In general, the use of housing for longer periods of time, residual amount of formaldehyde in the indoor environment is less; the higher the temperature, the humidity is bigger, more conducive to the release of formaldehyde; ventilation conditions are better, more conducive to building decoration materials, formaldehyde release.
