It is possible to determine plastic by marking. In the countries of Europe and in the USA the law obliges to mark products from plastic. For this purpose put figure "3" in an environment of arrows or just write PVC or Vinyl. Domestic producers seldom mark plastic products.
It is required to you
- to find marking on a product from plastic.
Instruction
1. The processed plastic is designated most often by the symbol consisting of three arrows in the form of a triangle. In the sign the figure indicating plastic type is put. In addition under a triangle there is an abbreviation meaning the abbreviated name of plastic.
2. Figure "1" in combination with an abbreviation of PETE designates polietilenterftalat (PET). It is applied to production of packings of drinks, juice, water, various powders, loose foodstuff and so forth. One of the most widespread and safest types of plastic. It is well processed.
3. Figure "2" and an abbreviation of HDPE mark the polyethylene of high pressure (PHP). From it mugs and packages for milk and water, a bottle for products of household chemicals, plastic bags, canisters for all lubricating oils are developed. It is well processed and used after processing. It is safe for food.
4. Figure "3" and the designation PVC are put on products from polyvinylchloride (PVC). Scope of application: banks and bottles for loose foodstuff, vegetable oils, household chemicals and also production of pipes, floor coverings and walls, production of windows, country furniture, blinds, stretch ceilings, blinds in the bathroom, packings, packages and toys. The dangerous type of plastic, is not processed. When burning emits toxic agents. In combination with softeners can contribute to the development of diseases of kidneys and a liver, infertility, cancer. May contain formaldehydes and heavy metals. It is necessary to refuse, whenever possible, consumption of goods from this type of plastic.
5. Figure "4" and the sign LDPE designate the polyethylene of low pressure (PLP). From it make packages, elastic packings, some types of bottles. Processing of PND is unprofitable. It is safe for food use.
6. Figure "5" and the letters PP is a propylene (software). Products from it: covers of bottles, disks, bottles for syrups and ketchups, glasses, toys, children's small bottles. Quickly wears out and it is not resistant to a frost. It is safe for the person and the environment.
7. Figure "6" and the letters PS mark polystyrene (PS). From it make pallets for meat, containers for eggs, tableware and cups, sandwich panel, thermal insulation plates. Carcinogen!
8. The letters OTHER in combination with figure "7" designate other types of plastics and also mixes of plastic. Products with such marking do not overwork. In this group polycarbonate which causes hormonal violations at long use or heating often meets.