Stretch film, also known as stretch film and heat shrinkable film, is the first in China to use PVC as the base material, DOA as the plasticizer and self-adhesive effect to produce PVC stretch film. Stretch film packaging was gradually eliminated when PE stretch film was produced in China from 1994 to 1995 due to environmental problems, high cost (large relative PE ratio, less unit packaging area), and poor stretchability. The PE stretch film was firstly made of EVA as the self-adhesive material, but its cost was high and tasteful. Later, PIB and VLDPE were used as the self-adhesive material. The base material was mainly LLDPE, including C4, C6, C8 and metallocene PE ( MPE).
The proportion of imported linear polyethylene LLDPE resin and tackifier special additives is used for production. The stretch film packaging can produce multi-functions such as hand-use, resistance-type machine, pre-stretch machine, anti-ultraviolet, anti-static and anti-rust. Wrap film. It has the following advantages: 1. Using double-layer co-extrusion equipment, the limited stretch film can maximize the characteristics of each polymer, and its transparency, tensile strength, and perforation resistance are optimal when it reaches the melting point. state. 2. It has good tensile properties, good transparency and uniform thickness. 3. It has longitudinal extensibility, good resilience, good transverse tear resistance and excellent self-adhesive lap joint. 4. It is an environmentally friendly recyclable material, tasteless, non-toxic, and can be directly packaged for food. 5. It can manufacture single-sided sticky products, reduce the noise in the process of winding and stretching, and reduce dust and sand during transportation and storage.
The stretch film has the characteristics of high tensile strength, large elongation, good flexibility and advanced transparency. The stretch film packaging can be widely used in the centralized packaging of various goods. The stretch film is sticky on one side and can be stretched and wrapped tightly. The packaged items will not be scattered, damaged or polluted during storage and transportation. At the same time, because of the high transparency, it can be easily identified and reduce distribution errors. It is also convenient for containerized storage and transportation, especially suitable for pallet packaging. Mechanized loading and unloading operations greatly improve the packaging and delivery speed. This product is mainly suitable for pallet packaging of goods, such as electronic, building materials, chemical, metal products, auto parts, wire and cable, daily necessities, food and other industries.
