Difference between PET and PVC plastic packaging industry
At present, the consumers to drink more and more attention. PET plastic bottles are safe, and PVC are unsafe. According to research, not only plastic bottle itself, if the outer packing with PVC, are likely to contain plasticizer, to infiltrate the drinks. 'PET' logo is hard to find in our country, almost all of the carbonated drinks, milk tea, mineral water, lactic acid bacteria beverage is the use of plastic packaging. Contains most beverage bottle bottle will be printed with a '1' or '2' number of triangle, around them will also write English letters. Number '1' representatives' polyethylene terephthalate, English letters for the 'PET' number '2' represents high density polyethylene, for 'HDPE' in English. The plastic logo is aimed to facilitate recycling, if know, consumers will be able to pass the id know the use of plastic products are made of what material, also can feel free to use. According to GB/T18455 - 2010 packaging recycling logo 'request: the volume of more than 100 ml of plastic bottles and packaging, must be intuitive symbols indicate the circulation of the plastic type appearance, seal or official seal in the plastic packaging materials. In addition, in terms of ( GB - T16288- 2008). - - - - - - - - - - - - The sign of plastic products' pointed out, drinks the sign on the full name should be 'containing recycled and processing plastic products' labels. The logo is black commonly, also can use other bold colors, demand is not easy to fade or fall off not easily, molding products, the color of the logo may be the same with the color of the products. , according to the national standard and each piece of products is a commonly, the position of the flag should be in accordance with the regulations of the product standard. General should be located in a conspicuous location on the plastic products. PVC is not suitable for used as a beverage packaging (above GB - T16288- 2008). Also pointed out that in national standard is out of inconvenience or identification of plastic products, can be identified on the outer packing. Most of beverage bottles are on the market by the 'PET', 'HDPE' or 'PP' material, can find this kind of recycling symbol in the bottle. Generally speaking, the beverage products will be to do with the plastic packaging, but in addition to the PP material, all of the plastic products can not be heated, or filling high temperature objects, otherwise it will release harmful substances, cannot be used again and again. Materials such as PVC is commonly used in building materials, plastic film and raincoat, resistance to high temperature of 81 degrees Celsius, but contains plasticizing dose ( Also known as' plasticizer) More plastic than normal, if plasticizer in high temperature, or fat, will incorporate both. Probably of plasticizing agent in PVC materials will migrate into the drink. PVC don't used as a beverage, oil product packaging.
What standard should cosmetic tube have in respect of oxygen resistance
Cosmetic tube as a container of cosmetics, do not react with the products is the most important function of tube, cosmetic ingredients are easy to cause the reproduction and growth of bacteria, in addition to its own factors, there is a part of the influencing factors because of the impact of oxygen and water; It can be seen that, the most important factor of cosmetic deterioration is oxygen, all cosmetic tube needs to have very good oxygen resistance and gas resistance (prevent the fragrance molecules in the cosmetics and the effective molecules of cosmetics overflow).
The importance of cosmetic packaging
Cosmetics are necessaries of our life, but its mission to beautiful life makes it a opportunities which contains huge business. The consumer market should not be ignored, as the competition of cosmetics market is more and more fierce, each tube cosmetics businesses is aim for expanding their product sales, which have struggled to the cosmetics packaging and publicity.
Cosmetic tube field, where is the foothold in the future?
Nowadays, in order to meet the changing needs of consumers, whether it is basic skin care brands or efficacy brands, when most of them launch new series of products, they will launch matching products with instruments, aiming to realize the effective incorporation of brands through high-tech instruments.
What is the two in one tube and how to fill it in the rear? And the application of the product in skin care
Unlike a single branch tube, the most intuitive tube is a tube in the tube, which looks like a single branch, but can fill two kinds of material at the same time, at the same time extruding. When the material is not used, the material body is separated, and when used, mingling and merging.