K100-WD140: use low melting point adhesive, the density of the fiberglass net is 7mm, the adhesive layer is ralatively thin, moderate bonding strength, designed for Polypropylene fiber carpet and tapesrry.

K100-wd160: the adhesive used has relatively high melting point. The density of the fiberglass net is 4. 5mm, knittde closely . Thicker adhesive layer for more strength and flexblity. Best for use with gunny back and latex back polypropylene fiber carpets and chemical carpets.

K100-wd180: use high melting point adhesive and 3mm-density fiberglass net. A extra thick adhesive layer for excellent bonding . Best for use with worsted carpets, imports of nylon carpets and full-woolen carpets.