How to pay attention to the prevention of formaldehyde renovation

After fitting a new house later, though it was the room smell great, but because the old house to someone else immediately make , so stay on after the renovation . According to the survey after some people began to improvements in child illness , beginning with pharyngitis , chronic asthma
Asthma, gradually decreased immunity, frequent illness , the original fat than children significant weight loss . To the hospital several times to check can not find the cause. After China Interior Decoration Association Indoor Environmental Monitoring Center were tested.
At first glance, simple and elegant interior , there is nothing special , but a closer examination revealed a problem : not only the bedroom and living room on the ground floor is a composite whole shop , and in order to make every cool effect laminate flooring with wood flooring , decoration
Composite floor below a layer of pavement when they Daixinban . Renovation spending in order to reduce the time , taking into account in the composite shop floor below , do not buy a good quality , so with the full 50 yuan 10 low-grade Daixinban , this is not only external quality Daixinban
The amount of the difference , the more serious is the free formaldehyde emission is particularly high. Inspectors also found that indoor Daixinban hit wardrobe and cabinet , the cabinet will be closed and no treatment , which will result in high levels of formaldehyde in indoor air . After testing center into
Line -site sampling and laboratory analysis , results indicate that the room in the renovated 10 months later, the indoor formaldehyde per cubic meter of air has reached 0.36 mg, four times more than the national standard plastic wood composite!

Formaldehyde in indoor air on the human body and the release of
Formaldehyde has been identified by WHO as carcinogenic and teratogenic substances. Well documented , the impact of formaldehyde on human health mainly in abnormal smell , irritation, allergy , pulmonary function abnormalities, abnormal liver function, immune dysfunction and other parties
Surface . Its role in the concentration of 0.06-0.07 milligrams per cubic meter of air, the child will develop asthma . Experts had detected several cities in different seasons , through the analysis of large amounts of data , typically under normal circumstances , interior equipment
Revised five months later , the concentration of formaldehyde can be less than 0.1mg/m3. Renovated seven months later, can be reduced to less 0.08mg/m3 , so it is a normal indoor environment , but there are so many families like Ms. Wu , 10 months after the renovation , room
Formaldehyde is also in the air so high , it belongs to the problem must be resolved as soon as possible wpc vs wood for furniture.

National standards for formaldehyde content
Currently detection of formaldehyde in the indoor environment standards relevant national release are:
1, the People's Republic of China national standard " of formaldehyde in indoor air health standards ," states: maximum allowable concentration of formaldehyde in indoor air is 0.08 mg / cubic meter.
2 , People's Republic of China national standard " parquet " provides : A class of parquet formaldehyde emission is less than equal to 9 mg / 100 g ; class B parquet formaldehyde emissions equal to 9 mg -40 mg / 100 g .
3 , "national technical requirements for environmental labeling products - artificial wood panel ," states: man-made sheet formaldehyde emission should be less than 0.20 mg / cubic meter ; wooden flooring formaldehyde emissions should be less than 0.12 mg / cubic meter composite decking cost compare wpc.
How to prevent formaldehyde
In order to prevent formaldehyde indoor air pollution caused due to renovations , the experts remind consumers to pay attention to the following aspects :
One reasonable assurance renovation program . In particular flooring of the room , it is best not to use a large area of a material. Reasonable amount of computation using Daixinban .
Second, the scientific selection of the construction process . In addition to the special requirements , generally do not Daixinban pavement beneath the flooring . Daixinban making use of cabinets and heating cover package , which must be closed to use formaldehyde sealant , best not to have exposed
Where the best selection of paint film is thick, closed well .
Three is strictly decorative and finishing materials quality. Laminate flooring, main conditions as formaldehyde emission Daixinban should choose .
Fourth, the appropriate length of stay , conditional indoor ventilation should try to make some time to stay, try the indoor formaldehyde release .
Fifth, pay attention to indoor formaldehyde detection and decontamination . Especially the home of the elderly , children and