PP Valve Sacks are widely used for industrical constructaion material packaging , and know by different names such as PP valve bags and PP valve sacks. Normally these bags are fullfilled through the valve mouth on the top corner of the valve bag by fill machine . The valve will be closed and locked automatically once fullfilled , very easy to operate. These valve bags are in light weight , tear resistant and suitable for large stacking volumes , protect the goods inside well to extend uselife.
Unisun Packaging is specilized in manufacturing and supplying high quality PP Valve Sacks over 10 years for various applications includes chemical, foods,minerals and horticulture etc. The valve sacks are pefect for a wide range of products specially for plastic granules,plastic powder, flour, construction material and chemicals by easily filled.
All our PP Valve Bags are produced according to customer requirements with different size , material constructions, printings.
Block Bottom PP Valve Sacks with Multi Colors Printing