aldehyde colophony
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    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 aldehyde of standard requirement Niao 0.3% . [url=http://wpcdeckboard.com/project-case/12457.html]hollow cedar deck boards surface[/url] 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,

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