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not talk about aldehyde color to change Formaldehyde is a kind of gas, weigh formaldehyde again, the colorless gas below normal temperature has special taste, how much does fiber on fencing costs its aqueous solution is the formalin that we often say, it is a kind of commonly used antiseptic. The influence that formaldehyde reachs an animal to human body basically reflects in the following: １ . The animal that lives below

environment of tall formaldehyde cheap wood picket fence panels chroma has very high nose cancer incidence of a disease, but whether does formaldehyde send cancer to still do not have final conclusion at present; 2. Feel at containing the Shi Nengming in the air of formaldehyde to show when human body place oneself eye and respiratory tract are stimulated, make human body feels very yellow tongue outside fence uncomfortable, affected the life of

people and working quality thereby; 3. Often contact formaldehyde solution to be able to cause skin allergy, but whether can the formaldehyde in human body induction decorative pvc exterior wall panels air cause allergy to still do not have conclusive evidence. The adhesive that at present aggrandizement wood floor uses still fastens adhesive to give priority to with formaldehyde, use a process normally in