colophony of cyanogen

Posted by Liu Yi over 6 months ago

oneself, 2 glycol, 1.4, Ding Erchun. 3 get together colophony of cyanogen amine formaldehyde is free formaldehyde to the main harm of human body. ≤ of content of formaldehyde of dissociate of glue of a[url=http://yard-deck.com/railing/2160-Advantages-Of-Waste-Wood-Recycling-Floor.html]Advantages Of Waste Wood Recycling Floor[/url] ldehyde of standard requirement Niao 0.3% . Note: 1, free formaldehyde: Be told popularly even if be in process of production of plank, furniture, coating, adhesive, need many formaldehyde to serve as carrier, but formaldehyde is in the product line of high temperature, major formaldehyde had made gum, already was formaldehyde no longer, this kind of formaldehyde that has reacted has done not have a harm to human body. In manufacturing process, the formaldehyde that has one fraction did not [url=http://yard-deck.com/board/4644-Temporary-Garden-Fencing-Ideas.html]Temporary Garden Fencing Ideas[/url] attend reaction, turned free into formaldehyde. 2, free phenol: Not easy chemical combination or the phenol that depart very easily from inside compound call free phenol, what say actually is a few commonner the phenol that has not reacted in solution namely. Of course, should notice easy depart from inside compound this concept, showing free phenol is OK in [url=http://yard-deck.com/deck/4426-Waterproof-Outdoor-Flooring-Solutions.html]Waterproof Outdoor Flooring Solutions[/url] consist in compound, just adding other condition easy depart to come out is free phenol. Environmental protection ministry weighs a fist to hit out, heibei,