Polyethylene terephthalate (PET) has enjoyed extraordinary success in the market of packaging materials. Currently, PET is used in the manufacture of containers for different types of food, chemical, perfume products. PET is used as material for packaging food products around the end of 1970. Especially popular was he using in the 1980s and in 1995-1999. production of PET packaging for beverages has doubled.
From 1990 to 1998, the PET packaging increased its share of the market of packaging for beverages with a 9% to 30%. PET has become very popular and widely used material, which in some way able to replace glass and other plastics. Along with his superior physical properties of PET possesses another important quality – reasonable prices. PET has many advantages. First of all – it's very easy material. The usual half-liter PET bottle weighs approximately 28 grams (a bottle of the same volume of glass can weigh about 350 grams).
PET is completely transparent, making it ideal for bottling mineral water, carbonated water. To produce, which is in a container, not exposed to sunlight, pet stain, For example, in green or brown. This is also done in order to maximize the appearance of products consistent with consumer needs. The starting material for the manufacture of preforms are, from which, after preheat and stretch blown bottles. Preforms, in turn, are made by pressformirovaniya of granular polymer-PET. Color and transparency of future bottles laid in the manufacture of preforms from the pellets. Another advantage of PET-bottles – her strength, which is important for transport and storage. cal. At the same pet, as well as glass, fine (and completely) processed. For packing PET containers are not required boxes, pack them in plastic wrap with a cardboard tray or not. List of products for packaging which is PET really is endless: it is oil, and sauces, and fruit juices, beer. Also, PET containers used for packaging various types of household products and cosmetics.
For example, you want to choose overlock. Thus, the advice offered in this article will help you make the right decision. Through this article you will learn about overlock, their advantages, their forms and functions that they perform. Newcomers will learn enough to perform the most simple actions with overlock – cut fabric and sew the product. It must be stressed that it was not easy done the same thing, using only conventional sewing machine. Overlock seams create a more stable, since the stitches secures the loop. The main advantage enjoyed by overlock is that it allows complete tailoring products much faster than traditional sewing machine. Using overlock can perform many different actions, both professionally and at the primary level.
Overlock effectively cope with such tasks as processing edge products, the implementation of flat stitches, chain stitches, decorative stitches, and more. Overlock able to quickly, easily and accurately complete the sewing of any product. How izvesno to perform various operations with overlock, you need to change hardware settings. Basically, it does not require much effort, if it is about quality overlock. Although, if you are the owner of the conventional model, the adjustment may seem to you rather complex and tedious. More expensive overlock can work with a large number of threads simultaneously.
Using multiple threads allows you to create strong joints. Although in this there is also a disadvantage: more lines, the less flexible the finished product turns out. As you can see, oveloki gives the product a professional look. We hope that the information presented in this article will help you understand what overlock way you need it. Not Take your time, think well – and then you can choose overlock that will satisfy all your requirements.