formaldehyde release rate
low free formaldehyde release
The release of formaldehyde emission
urea-formaldehyde slow release fertilizer
sustained release and controlled release
2-hydroxyl-1-naphthalene formaldehyde
2-pyridine-formaldehyde condensation 2’-pyridine i
2-pyridine-formaldehyde condensation(2’-pyridine imido-group) hydrazine
acetone formaldehyde resin
acetophenone-formaldehyde resin
acetylace-formaldehyde system
acetylacetone-formaldehyde
alkali-lignosulfonate acetone-formaldehyde(A-LSAF)
alkaline phenol-formaldehyde resin
alkylphenol-acetone-formaldehyde resins
amine-modified phenol-formaldehyde resin