Floor-plastic parts

Floor-plastic parts can be seen everywhere in our lives, floor-to-bottom plastic parts or other parts may have numbers, we know that these numbers meaning? . Plastic products are made from different materials, different materials, different applications. Plastic bottles at the bottom of each figure represent different materials. Numeral "1" represents polyethylene terephthalate, i.e., PET. Mainly used for mineral water bottles, soda, juice bottles of vinegar and soy sauce bottles. PET bottles heat-resistant temperature of 70 degrees Celsius, is only suitable for the warm drink or a cold drink, water or heating equipment is easy to deform, harmful substances will be leached out. The number "2" represents the high-density polyethylene, that HDPE. HDPE and other plastic composite film, but also for aquatic products. Numeral "3" represents polyvinyl chloride, i.e. PVC, because inexpensive, it is used to make intravenous infusion bags and infusion of sterile disposable instruments. However, if long-term use can lead to the accumulation of harmful substances DEHP. Therefore, from the safety point of view, the pharmaceutical industry choose non-PVC material is the future trend. The number "4" is low-density polyethylene, i.e. LDPE. 4 plastic is used extensively for packaging. LDPE is mainly used for the production of food in plastic wrap and plastic bags of food equipment. Electric plastic parts, plastic parts racks, floor-to-plastic parts www.hlsxsl.com