Packaging multiwall paper bags

Multiwall Paper Bags These bags (Fig. 21-40), made from plies of kraft paper or from combinations of kraft and special-purpose papers and plastics, are the most common packages For almost any pelleted or powdered material as well as for briquettes or bats of such solids as synthetic rubber, waxes, and insulation. 

Some products and packages are more susceptible to insect infestation than others. These products can serve as insect reservoirs, leading to the infestation of other products (Highland, 1984). For example, dry pet foods packed in multiwall paper bags are generally not very insect resistant because they lack adequate seals and closures, whereas bird seed packages often contain ventilation holes that can allow insect entry. 

Ammonium Nitrate Prill and Fuel Oil Mixtures (AN/FO) available in 50- and 80-pound multiwall paper bags, packages from 5 to 12 inches in diameter, and in bulk deliveries to field storage bins or direct to the blasthole ... 

Containers for solids include bags, bulk boxes, cartons, and drums. While the intermediate flexible bulk container (IBC) has become an important package of world commerce, the most used package remains the multiwall paper bag, supplemented by bags of similar design made of plastic film or plastic woven mesh. 

Dry or powdered products are packaged in multiwalled paper bags or fiber drums. The bags usually contain 25 kg (50 lb) while drum capacities range from 45 kg to 90 kg (100-200 lb). As is recommended for semisolid plastic products, the storage area for these shortenings should also be cool, dry, and free of... 

Use Packaging of food products specially meats and poultry, insecticide-impregnated multiwall paper bags ipes for chemical processing equipment seat cvers upholstery fibers bristles latex coatings. 

Wood flour is commonly packaged in (i) multiwalled paper bags (approximately 23 kg or 501b), (ii) bulk bags (1.5 m or 55 ft typical), or (iii) bulk trailers [8]. Wood flour is typically supplied to the customer at moisture contents between 4 and 8% and must be dried before use in thermoplastics. Some wood flour manufacturers offer standard grades, others prefer to customize for individual buyers and applications. 

Paper applications, 11 219 Paper artworks, treatment of, 11 414 Paper bag packaging, converting, 15 21 Paper bags, 15 129 multiwall, 15 11... 

Some flexible packaging is fabricated by converters into bags and pouches. Bag material is either small monolayer or large multiwall with paper as a principal substrate. Pouches are small and made from laminations. Bags usually contain a heat-sealed or adhesive-bonded seam mnning the length of the unit and a cross-seam bonded in the same fashion. 

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