Yesterday, be engaged in piece of engineer that indoor air detects technically saying to the reporter, when everybody chooses to decorate a picture, noticing aesthetic savour while, should pay close attention to its environmental protection function more, "Especially canvas, must use less, careful with " .
Easel makes formaldehyde exceeds bid
Division of Zhang Gong Cheng says, the double entry room that he and colleague ever entered not long ago newly to a host has undertaken detecting. Discover strangely at that time, each room index all amounts to mark, only alone study formaldehyde exceeds bid 2 times. Host is very interrogative, what use because of every room when bridal chamber is decorated is to be the same as brand furniture, floor, emulsioni paint, the pollution that does with same method again is administered, why formaldehyde of a room exceeds bid only only? When a canvas that gets on the wall when the staff member is taken, just found source: What the easel of canvas uses is medium density beaverboard, and without crossing any sticking the face is handled.
Division of Zhang Gong Cheng says, in density beaverboard, plywood, joinery board comparative to indoor airy pollution with the man-made plank such as particieboard big. Usually, density beaverboard cannot reach the level of E1 class environmental protection that the country sets in, when be being decorated indoors, can use normally stick a face to enclothe, volatilize in order to prevent formaldehyde; And when regarding a picture as easel, businessman and consumer however oversight this problem, bring about the air environment of whole room to be polluted by formaldehyde.
Brunet dye can get into trouble
Cheng division says Zhang Gong, at present the adornment picture on the market basically has 3 kinds big: One kind is the commonnest presswork; One kind is log art picture, handiwork sticks the objective such as picture, specimen picture to mount a picture picture; One kind is the hand paint work such as aquarelle, traditional Chinese painting, canvas.
"Some frame material are qualitative inadequate security, at present almost all pictures that decorate a picture hold beaverboard of the density in be being used in the palm, class uses the low density with more serious pollution inferiorly even board, occurrence formaldehyde, benzene exceeds mark 3~4 the circumstance of times is no wonder. " analysis of division of Zhang Gong Cheng, decorating a picture to reside ill effect of the environment to the home come from many sided, "In painty security aspect, the element such as the Ke Rongti that certain amount contains in dye of canvas, gouache, arsenic, barium, lead, mercuric, Selenium, if these heavy metal elements are absorbed by human body excessive, can serious harm is healthy. And the metallic content in brunet dye often taller, opposite for, presswork work, aquarelle, traditional Chinese painting is in this respect is relatively safe, when buying, answer to select this kind of product as far as possible. " and the formaldehyde that exceeds bid, benzene also may be contained to wait in data of some a few bond that in decorating a picture, use, mount a picture in objective of choose and buy want when the picture particularly advertent.
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