Quality Used tons of bags, Tiande packaging (certified), used tons of bags provided by Pingxiang City Tiande Packaging Materials Co., Ltd. Pingxiang City Tiande Packaging Materials Co., Ltd. (www.tdbzcl.com) is specialized in "bags, ton bags, container bags, color bags, paper-plastic bags, used tons of bags, woven ring" of the enterprise, the company adhering to the "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: U Saw park. Pingxiang City Tiande Packaging Materials Co., Ltd., Xinyu years of unremitting efforts tons of bags used to "true products, the integrity of others" to serve the purpose, won the recognition and trust of the majority of enterprises through, we will continue to put good quality off, do Good credit people, and all the friends and sincere cooperation Yichun Used tons of bags, creating a win-win situation. Paper bag Publisher: Published: 2012-10-18 Read: 5 paper bag Definition: Also known as triple composite paper bag, outside using refined white kraft paper or yellow kraft paper, which uses plastic woven (polypropylene PP or PE PE), by high temperature and pressure to melt the plastic particles PP, the kraft paper and plastic woven composite together. 5.6.2 overlap its surface quality used bulk bag, a load 9.8 N is applied to the above, and placed in an oven at 80 ℃ of 1h, to separate two overlapping immediately after removing the sample and check whether the surface tack, marks and other solvents anomalies. 5.7 Resistance 5.7.1 test environment for drop resistance at room temperature, and humidity. 5.7.2 Test venue for the smooth cement floor. 5.7.3 the filling coefficient of 0.80 to 0.85. 5.7.4 Test quality and materials selection