Paper and plastic valve bag packaging _ _ Tiande valve bag provided by Pingxiang City Tiande Packaging Materials Co., Ltd. Pingxiang City Tiande Packaging Materials Co., Ltd. (www.tdbzcl.com) is a professional engaged in "bags, tons of bags, container bags, color bags, paper bags, tons of second-hand bags, woven ring" of the company. Since its inception, we adhere to the "honesty, sound management" approach, the courage to healthy competition in the market, so that the "Tiande bag" brand has a good reputation. We adhere to the "service first, customers first" principle, so Tiande packaging won the trust of customers congregation in plastic materials, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! Pingxiang City Tiande Packaging Materials Co., Ltd. through years of unremitting efforts to "sincerely products, the integrity of others," to serve the purpose, won the majority of enterprises to recognize and trust, we will continue to put off good quality, good credit people, Yichun valve pockets and sincere cooperation with friends, create a win-win situation. Beautiful appearance: the yellow or white refined kraft paper production, multi-color printing, bright appearance; good skid resistance: selection skid kraft above 25 degrees making the whole paper valve bag, easy stacking; moisture resistance, and easy handling valve pocket prices to achieve a unit of human or truck transportation, the most popular and practical common packaging materials. 5.6.2 The inner surface of overlap, applying 9.8 N load valve pockets on top, placed 80 ℃ oven 1h, immediately after removing the two separate overlapping samples to check whether the surface adhesion, and other anomalies karren . 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