Details to pay attention to when purchasing plastic

1. No matter what raw material is selected, plastic cosmetic tubes must first meet the requirements of non-toxicity and non-odor. Due to the wide variety of main raw materials available, it is necessary to select the comprehensive properties of the raw materials. Generally, the selection of tablets is high. Density polyethylene, polypropylene, if you need transparency, you can choose polyester cosmetic tube (PET cosmetic tube), if you need higher barrier performance, and light blocking, opaque, then choose brown PET cosmetic tube, liquid formulations are generally used Polypropylene cosmetic tube or polyester cosmetic tube as the main raw material. At present, domestic nutrition and health products and food packaging cosmetic tubes are mainly made of PET or HPDE, and cosmetic tube caps are made of PP.
2. The tightness and water vapor permeability of the cosmetic tube body and cover. Tightness and water vapor permeability are two important technical indicators of plastic cosmetic tubes, and they have an important impact on the stability of the packaged product.
3. Quality standards for plastic cosmetic tube products. The product quality can be analyzed and judged from the product quality standards of cosmetic packaging manufacturers.
4. For packaging medicines, nutrition and health products, food and beverages, recycled materials must not be used. The 'Food Plastic Products and Raw Materials Hygiene Management Measures' promulgated have clear regulations: 'Where plastic food utensils, containers, and food packaging materials are processed , Do not use recycled plastic.'
5. Quality assurance system. Auditing suppliers has become an essential part of purchasing plastic cosmetic tubes. Through the audit, it is possible to make a comprehensive and correct assessment of the production plant's software and hardware facilities, technical equipment, and comprehensive quality level.