The main reason is the decoration formaldehyde glue usage The main source of formaldehyde content in the glue used in the decoration of formaldehyde pollution is proportional to the glue content , and how the amount of glue , remove formaldehyde becomes a problem fitting must be considered. Insiders said that when residents during the renovation , the biggest source of pollution is the use of plates , how to calculate the plate in the formaldehyde emission it? Pak Sik clean environmental official said , artificial board formaldehyde emission depends on the sheet used in the manufacture of glue and glue in the amount of formaldehyde content .
Glue is one of the main source of formaldehyde
The reason generally produce formaldehyde plywood in two ways: first , in the dry wood itself , due to internal decomposition of formaldehyde. Wood density is smaller, formaldehyde distribute the stronger . Second, for the sheet substrate bonding glue is one of the main causes of formaldehyde composite privacy fence panels .
Currently the market is mainly urea-formaldehyde adhesive glue and phenolic plastic , simple production process urea-formaldehyde glue , less demanding on equipment , mostly for many small workshop production , but the formaldehyde emission is large, because of its low price, mainly carpentry plates, medium and low density fiberboard used, and phenolic plastic is a more environmentally friendly glue , its production process and equipment requirements are high, relatively low levels of formaldehyde , but the price is much more expensive compared to the urine -formaldehyde glue , usually grade sheet selection .
Environmental testing method is the use of wood-based panels perforated value method, the wear plate after a certain number of holes measuring the amount of formaldehyde removed from the build plate . According to state regulations : a class parquet formaldehyde emission is less than equal to 9 mg / 100 g ; b class parquet formaldehyde emission equal to 9 to 40 mg / 100 g .
Effects of formaldehyde on human health is very large , mainly in the olfactory abnormalities, irritation, allergy , pulmonary function abnormalities, abnormal liver function and immune dysfunction and so on. Its concentration is reached 0.06-0.07mg/m3, minor asthma in children occurs every cubic meter of air . When the content of formaldehyde in indoor air 0.1mg/m3 when there is odor and discomfort ; reach 0.5mg/m3 , it can irritate the eyes , causing tears ; reach 0.6mg/m3, can cause throat discomfort or pain. At higher concentrations , can cause nausea , vomiting, cough, chest tightness, wheezing or pulmonary edema ; reached 30mg/m3, will immediately cause death What Is Composite Decking.
Plants can produce non-toxic glue polymer materials
Home renovation process, we almost inevitably have to deal with formaldehyde , which was undoubtedly the most obvious composite wood flooring and furniture panels wall Pihui bonding material , because the production of these materials and production processes require the use of glue , and traditional glue contains formaldehyde Composite Deck Board.
If the decoration of the house , I did not think the use of environmentally friendly glue, are there any remedies ? For experts, the air control renovated several small ways : a purely words can be used to flavor the onion , pepper and other heavy smell something placed between them. 2 In addition to the taste but also the removal of formaldehyde air pollution can be a professional management company governance .

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