Nitrocellulose Chips:(DBP) Mainly Physics and Chemical Characteristic: Nitrocellulose chips is small white flake that can be liquefied in organic solvents such as ketone, esters alcohol etc. Its density is 1.34g/m3. Its explosion point is 157oC. flaky...
1 .Insole and vamp don’t have to be cemented before lasting ,by doing so ,not only save labor force ,but cement well after passed beating machine and assure the perfect shape.2 .Using all-around forming band and special track wiper can make upper lasted...
toe lasting machine...
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