... 50%-55%,Our equipment &technology are introduced form Europe, with an annual output of 360,000 Tons 1.Name: formaldehyde 37%-44%-50%-55%, CAS ... No.: 50-00-0.Our equipment & technology are ... ,000 Tons.2.Details:Spec.37%44%50%55%AppearanceColorless & clear liquid3.ApplicationThe main application ... . formaldehyde, formalin, 37%-44%-50%-55%CAS No.: 50-00-0