The C-RFP process can be used to produce all types of vegetable leather,e.g. sole leather,harness leather,split hides and lining leather. In the following pages we shall describe the manufacture of sole leather and upper leather.2.1 Processes for Sole Lea...[继续阅读]

    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...[继续阅读]

    The bulk of chamois leather is used as wash leather for cleaning windows,car bodies and similar surfaces where its particular merit is its softness,high water absorbency and “wringability”. The traditional method of making chamois leather was to impregnat...[继续阅读]

    6.1 The Concept of Wet White Process The wet white process was first recommended as long ago as the early 1980’s. Since its initial introduction to the leather industry a number of chemical companies have developed materials for use as wet white pretannin...[继续阅读]

    On the following pages we will outline the items that indicate the properties of leather,regardless of the type of skin from which leather is made. These chemical and physical items can be determined or measured by the standard methods.2.1 Volatile Matter...[继续阅读]

    The following list gives brief descriptions of the different types of leathers and indicates their typical properties and uses.3.1 Side LeatherCattlehide grain leather which,prior to processing,has been cut in half forming two“sides”.Purpose is to reduce ...[继续阅读]