3 Processes for Aldehyde-tanned Leathers
工業(yè)科技

        Several members of the chemical family of aldehydes react on hide protein and prevent putrefaction. They are chiefly used for tanning white,washable leathers with the grain split or shaved off.3.1 Formaldehyde TannageFormaldehyde is a pungent gas,which is......（本文共 8631 字）     [閱讀本文] >>