Decorative materials commonly used in plastic resin types are: PP polypropylene, food bags widely in food production and food packaging bags must have QS certified manufacturer of polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS), Phenolic (PF), urea-formaldehyde (UF), epoxy (EP), polyester (PR), polyurethane (PU), polymethyl methacrylate (PUMA), silicone (SI) and the like. Different food bags according to the variation that occurs when heated, the synthetic resin can be divided into two kinds of thermoplastic resins and thermosetting plastic resin mixed with a plasticizer can improve the plasticity and softness of plastic, to reduce the brittleness. Commonly used plasticizers include: dibutyl phthalate, dioctyl phthalate, tricresyl phosphate, camphor, benzophenone OPP film: harder material, and can not be stretched, heat-seal Very good food bag processing, but more general transparency wholesale food bags, material more brittle, feel bad. CPP film: CPP material transparency but better than PE bags of food factories, material softer than the OPP and temperature difference can be used to make printed materials, but not easy printing. Custom food bags, Red Plastic Factory (certified), Guangdong food bags provided by Xiong Red Plastic Factory. Xiong Red Plastic Factory (corp.1688.com/page/index.htm?memberId=poqwe321&fromSite=company_site&tab=companyWeb_detail) Hebei Baoding, a leader in plastic bags over the years, the company implementing the scientific management, innovation and development, honesty and trustworthiness policy, and satisfy customer needs. Red plastic factory in leadership with the staff warmly welcome all inquiries negotiations to create the red flag Plastic Factory a better future.