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The Difference Between Pe Protective Film And Stretch Film
- Oct 23, 2018 -

The difference between pe protective film and stretch film, there are many kinds of protective film, pe protective film is generally applied to the plastic industry, printing industry, electronics industry, mobile phone digital industry and other industries. Generally, the stretch film is one of the protective film. Stretch film is mainly used on industrial packaging to fix objects and protect. The protective film is mainly free from pollution, corrosion, scratching and protection of the original smooth and shiny surface during storage and use, and the roles of the two are inconsistent.

The protective film has various materials such as PE, PET, OPP, etc., which are mainly used in the manufacturing process and the finished product shipment, and play the role of a protective film; the wrapping film is made of PE material which is a kind of film. The high tensile strength is used for packaging. It is used for packaging like this logistics freight express company. The composite film is made up of several materials, such as PE and PET. This is better than the average pe temperature. The effect is stronger.

PE protective film, PE material is polyethylene, which is the largest variety of plastic materials. It is a polymer material synthesized from polyethylene. There are basically three categories: high density polyethylene protective film, medium density polyethylene and low density polyethylene.

PE gas permeable membrane, the gas permeable membrane in various fields of human life contains a large proportion of ultra-fine density inorganic filler, which is processed by the casting micro-embossing stretching process to form micropores, and the density of microporous distribution is large, so that the gas permeable membrane It has a high moisture permeability and only vents without leaking liquid. It is a new material that has developed rapidly in the world. It is called a breathable film and is widely used in various fields of human being because of its breathable and impervious properties. Such as personal care, clothing and textiles, health care, agriculture, food packaging and other construction, packaging, outdoor equipment and other fields.

HDPE. PE materials are classified into five grades according to internationally uniform standards: PE32, PE40, PE63, PE80 and PE100. The PE pipe used for the water supply pipe is made of high-density polyethylene HDPE, the grade is PE80, the MRS of PE100 reaches 8MPA; the MRS of PE100 reaches 10MPA. MRS refers to the tensile stress intensity of the pipe.

PE is a typical crystalline polymer. It has many types, commonly used LDPE and HDPE, which are translucent plastics with low strength and specific gravity of 0.94g/cm3 (smaller than water). LDPE is softer (commonly known as soft rubber). HDPE is commonly called hard soft rubber. It is harder than LDPE, has poor light transmittance and high crystallinity.

Stretch film is also called stretch film, heat shrink film, the earliest in China is PVC as the substrate, DOA is a plasticizer and self-adhesive to produce PVC stretch film. However, the cost is high. The PE stretch film is firstly made of EVA as a self-adhesive material, and has a taste. After development, PIBV and LDPE are self-adhesive materials, and the substrate is now mainly LLDPE, including C4, C6, C8 and metal PEMPE.

From the single layer to the second and third layers; now the LLDPE stretch film is mainly produced by the casting method, and the early LLDPE stretch film is mostly blown film. This is because the production of the casting line has the advantages of uniform thickness and high transparency, and can be applied to the requirement of high-rate pre-stretching. Since single-layer casting can not achieve single-sided adhesion, the application field is limited. The high-quality stretch film should have the characteristics of high transparency, high longitudinal elongation, high yield point, high transverse tear strength and good puncture performance.

The above is the difference between the pe protective film and the wrapping film shared today. In fact, the plastic wrap that we often use at home is also made of pe. The wrap film is usually made by polymerization of ethylene as a masterbatch. The wrap film can be divided. There are three categories: the first one is polyethylene, referred to as PE; the second is polyvinyl chloride, referred to as PVC; the third is polyvinylidene chloride, referred to as PVDC, but need to pay attention when using pe in the home, pe film The toxicity is released in the microwave oven at high temperatures, although the amount is not large, but for safety reasons, do not use heating directly.


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