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According To Its Composition Of Plastic Tableware Can Be Divided Into Several
May 24, 2017

Plastic Cutlery According to its composition, plastic tableware can be divided into the following:

  Plastic cutlery

  Commonly used for mineral water bottles, cola beverage bottles, fruit bottles and so on. Because it can only heat 120 ℃, it is only suitable for cold drinks and warm drinks, if installed high temperature liquid or heating will be deformed.

  2, high-density polyethylene (HDPE), suitable for food and medicine bottles, cleaning supplies and bath products, shopping bags, trash.

  3, polyvinyl chloride (PVC), from vinyl chloride polymerization. High temperature and contact with grease Polyvinyl chloride plastic is easy to release phthalate esters and incomplete polymerization of toxic vinyl chloride monomer. Polyvinyl chloride made of plastic wrap good transparency, not easy to break, strong adhesion, low prices, we in the supermarket, supermarkets to see the box on the sticky film is tight. According to its characteristics, it is only applicable to vegetables, fruits, fresh storage, not put meat, cakes and other foods containing more fat, nor should be used as a microwave heating.

  4, Plastic Cutlery low-density polyethylene (LDPE) plastic film and plastic wrap, good water barrier properties, so the paper to do the milk box, beverage boxes and other boxes are used as an inner film. Due to low-density polyethylene plastic film over 120 ℃ will appear hot melt, so if the use of the plastic wrap wrapped food heating, food in the oil will be some of the ingredients in the plastic wrap out, so into the microwave before the first need to fresh Membrane removed, at least not allowed to direct contact with fresh plastic film. Low-density polyethylene itself does not have degradation performance, today's "plastic limit order" is the main limitation of it.

  5, polypropylene (PP), from the polymerization of propylene, transparency is also better than polyethylene, harder than polyethylene, the hotel is packed with most of it is made of plastic boxes can be made into the microwave heating.

  6, polystyrene (PS), from the polymerization of styrene, often used in the box instant noodles box, fast food box. It is heat and cold, but the temperature is too high will release harmful substances, so do not put the bowl of instant noodles into the microwave heating, and try not to use it to pack hot food, but also can not hold strong acid (such as juice) and Strong alkaline substances, otherwise it will release styrene and auxiliary materials.

  7, polycarbonate (PC), which is bisphenol A and diphenyl carbonate as raw materials, with excellent impact toughness and mechanical strength, and transparency is very good, so known as "transparent metal." Commonly used in the manufacture of kettles, cups, bottles and so on. In the production of PC process, the raw material bisphenol A should be completely plastic structure, should not be released in use, but in fact often can not do, there will be a small part of the bisphenol A can not be fully converted to plastic, Was released into the food. Bisphenol A is endocrine disruptors, the development of the fetus and children are particularly harmful, may cause miscarriage, congenital mental retardation and mental retardation of infants and young children. Some studies have also confirmed that bisphenol A will interfere with antagonism of thyroxine and inhibit the secretion of testosterone, affecting the development of boys, hinder the formation of sperm, which may affect fertility. So the use of caution should be careful, including polycarbonate made of the bottle, so as not to cause harm to the baby's sexual development.

  Plastic Cutlery In addition, not in the above seven kinds of plastic melamine plastic is also the majority of residents and restaurants, canteens commonly used tableware, it is a thermosetting plastic, commonly used in the manufacture of bowls, dishes, chopsticks, spoons and other food utensils. It is melamine, formaldehyde resin as the main raw material, adding appropriate amount of cellulose filler and colorants and other auxiliary materials made of. Its appearance and feel like porcelain, acid and alkali, surface hardness and impact strength are relatively high, long life, it can be 120 ℃ in the following dishwasher cleaning, disinfection. The same size of the tableware, melamine tableware than porcelain tableware light, but not as easy as broken porcelain, so, especially by the parents of infants and young children welcome. Due to the particularity of the molecular structure of melamine plastic, it is not suitable for use in microwave ovens, otherwise it is easy to crack. Melamine tableware in melamine, if not fully polymerized, there will be part of the melt into the food. The market has been seized with urea-formaldehyde resin or phenolic resin made of "melamine tableware", its shape and authentic melamine tableware is very similar to the average person is not easy to identify, but contains high formaldehyde, especially by heating, or storage " Hot "food is more likely to precipitate, so it should go to the regular store to buy authentic factory production of melamine cutlery.

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