Main properties and various specifications of shrink film bags
Apr 08, 2019
Shrink film bags are widely used in automotive products, plastic products, handicrafts, food and other products. It is mainly used for packaging regular and irregular shapes. It is environmentally friendly, highly transparent, high in shrinkage, toughness and tear resistant. The main raw materials of the shrink film bag include LLDPE, TPP, PPC and necessary functional additives such as slip agents, anti-blocking agents, antistatic agents and the like.
Since these raw materials of the shrink film bag are environmentally friendly and non-toxic materials, toxic gases and odors are not generated during the processing and product application process, and the hygienic performance of the products conforms to the US FDA and USDA standards, and can be used for packaging foods. It is a product obtained by melt-extruding raw materials through different extruders, through a specially designed co-extrusion die, forming a preliminary film and then quenching, and then heating and inflating and stretching.
The use of shrink film bags can produce a variety, generally a thickness in the range of 12μm ~ 30μm, commonly have a thickness of 12μm, 15μm, 19μm, 25μm, etc., depending on the width size depending on the volume of packaging. The shrink film bag is kept soft at -50 ° C without cracking and is suitable for storage and transportation of the packaged material in a cold environment.
