Heat shrinkable film is a thermoplastic film that is stretched and oriented in the production process and heat shrinkable in the use process. The heat shrinkability of the film was applied as early as 1936. At first, the rubber film was mainly used to shrink the package　

通用领域 生物医药 我们通常所说的热收缩膜大致包括：PVC热收缩膜、PET热收缩膜、PETG热收缩膜和OPS热收缩膜等材料，根据其材料的不同，化学性质和物理特性也会不同。 The heat shrinkable film generally includes PVC heat shrinkable film, pet heat shrinkable film, PETG heat shrinkable film and OPS heat shrinkable film. The chemical and physical properties will be different according to the different materials.　

Polyethylene, abbreviated as PE, is a thermoplastic resin prepared by polymerization of ethylene. According to the molecular structure, it can be roughly divided into low-density polyethylene (LDPE, also known as high-pressure polyethylene)　

Everyone should be familiar with plastics. Plastic products can be seen everywhere in our life, from children's toys to instrument containers, from computer shells to auto parts, from toothbrushes and dental jars to aircraft parts. But maybe few people　

At the beginning of the 20th century, it was considered incredible for enterprises to engage in basic scientific research. DuPont, which attaches importance to the research and development of new products, believes that scientific research can promote industrial production. So in 1926, DuPont's...　

热收缩包装与真空包装工艺的区别在于应用上。