Triple layer bags consist of two gas-proof inner bags, one inside the other. For protection against physical damage these are placed inside a much tougher, open weave polypropylene (PP) bag. After ... Read more

Plastic drums and silos come in a variety of sizes and shapes. They are often of the same design used for water tanks. They are gas-tight (hermetic) so that when filled with grain and tightly close... Read more

Open weave polypropylene (PP) sacks are constructed from woven strands of polypropylene. After filling, the necks of the bags are sewn shut by hand or with a stitching machine. Most ... Read more