... are introduced form Europe, with an annual output of 640,000 Tons formalin,36.5%~ ... 50-00-0. Our equipment & technology are introduced form Europe, with an annual output of 640 ... ,000 Tons.Spec.According to the Standard of GB9009-1998Formaldehyde Content, %36.50~37.4Acidity (Formicacid), %≤0 ... 20), g/Cm31.075~1.114Fe3+ Content, %≤0.001Methanol Content, %According to the Request formaldehyde, ...