Kastenventilsack

Block Bottom Valve bag 1.specification:Length*Width*Heigth in general have 12/13/15/18/21CM 2. Printing:1-4colors 3. Material:woven, paper-plastic composite ,full of paper 2-6 layers,PE 4.Usage:widely uesd in packaging to carbon black .silica.titanium . dioxide.building materials,cellulose.chlorinated poluethylene and other chemical product , feed, sugar,starch,powder .etc. packaging. 5. Feature:valve bag was cube loading, easy filling easy to stack, stacked neatly packages, and high intensity.with a saving of raw materials ,easy handling, moisture-proof, self-styled,anti-altraviolet.