pet food bag
Pet food bag
Pet food bags used for packing all kinds of pet food, and it directly affects the quality of pet food quality, high-quality pet food packaging products fully reflect the non-toxic environmentally friendly design. More and more attention in today's pet, pet products, design the packaging is also extremely important.
 
 
The production of pet food bags material
Pet food bag production materials are mainly the following:

 
1, PVC film: PVC film is the most widely used in thin-film material. Its price is extremely low shrink temperature range, on the heat source not ask for much, but PVC is difficult recovery from combustion gas.

 
2, OPS film: it shrink performance, but also conducive to environmental protection, and now the product has been in short supply in the domestic market. Currently, high-quality OPS film has mainly relied on imports, which constrains the development of an important factor.

 
3, PETG film: PETG copolymer film is not only beneficial to the environment, and can pre-adjust the shrinkage. However, due to shrinkage is too large, in use will be limited.

 
4, PET film: PET film is an internationally recognized environmental friendly heat shrinkable film material, it is the technical indicators, physical properties, application methods are close to the scope and use of PVC heat shrinkable film, but the price is cheaper than the PETG film even more, is the most advanced one-way shrink film, the transverse shrinkage of 70%, longitudinal shrinkage rate of less than 3%, and non-toxic, no pollution, is the ideal alternative to PVC membrane material.

 
5, composite film (PET / PE)

Classification of pet food
1, in accordance with the objects can be divided into cat litter bags, dog food bags and a variety of animal food bag;

 
Second, in accordance with the bag can be divided into film rolls, pouches, Siamese bag, insert side bag, fold the bag;

 
Of which:

 
Membrane volume [in the packaging industry, there is no clear definition of strict, but the industry as a convention, it is called, is about simple roll up the packaging film, packaging production businesses is less than the production of finished bags just a process, its material types are consistent with the plastic packaging bags, PVC shrink films have a common volume film, opp film paper, pe film paper, pet film rolls, paper composite film.

 
Self-Bag is a bottom level of support structure with flexible packaging bags, do not rely on any support and whether or not open the bag can stand on their own. So far, self-bags into the following five basic types: general self-bag, with nozzle of the pouches, zipper pouches, fake lips pouches, shaped pouches.


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