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Detailed explanation of PE materials commonly used in food packaging

by:Supouches Packaging     2022-07-19
In addition to accommodating and storing products, a packaging bag is more important to isolate the product from the outside so as to protect the product. In addition, the packaging material itself reacts with the molecules of the product, causing the product to deteriorate, which has become a problem that packaging bag manufacturers need to solve. This article focuses on how we solved this problem. Packaging bag manufacturers generally use the PE material film in direct contact with the product. So, what is PE material film? PE, the full name of Polyethylene, is the simplest polymer organic compound and the most widely used polymer material in the world today. It is also the most widely used and largest film type in the packaging industry. PE protective film is based on special polyethylene (PE) plastic film, and is divided into high-density polyethylene protective film, medium-density polyethylene and low-density polyethylene according to different densities. The biggest advantage of PE protective film is that the protected product will not be polluted, corroded, scratched during production, processing, transportation, storage and use, and protect the original smooth and shiny surface, thereby improving product quality and market competitiveness. According to the viscosity, it is mainly divided into: ultra-low viscosity protective film, low-viscosity protective film, medium and low viscosity protective film, medium-viscosity protective film, high-viscosity protective film, ultra-high-viscosity protective film Bottom stick): Features: Thick (≥0.03m±0.003), width (≤1.3), high (100-1500), substrate (PE), peel strength (≤5g/cm), temperature resistance (60), elongation (>400) Uses: Easy to use, easy to stick, easy to tear, no glue residue, suitable for organic sheets, instruments, display screens, glass lenses, plastic lenses, etc. 2. Low-viscosity protective film Features: Thick (≥0.03m±0.003), width (≤1.3), high (100-1000), substrate (PE), peel strength (10-20g/cm), temperature resistance (60), elongation (>400) Application: Stable adhesion, good adhesion, good peeling performance, no glue residue, suitable for steel mirror plate, titanium metal, glossy plastic plate, silk screen, nameplate, etc. 3. Medium and low viscosity protective film Features: Thick (≥0.03m±0.003), width (≤1.3), high (100-1000), substrate (PE), peel strength (30-50g/cm), temperature resistance (60), elongation (>400) Uses: Stable adhesion, good adhesion, good peeling performance, no glue residue, suitable for furniture polaroids, stainless steel plates, ceramic tiles, marble, artificial stone, etc. 4. Middle-viscosity protective film features: thick(≥0.05±0.003), width (≤1.3), high (100-1000), substrate (PE), peel strength (60-80g/cm), temperature resistance (60), elongation (>400) Uses: Stable adhesion, good adhesion, good peeling performance, no residual glue phenomenon, suitable for surface protection of fine-grained matte boards and general difficult-to-stick materials. 5. High-viscosity protective film characteristics: thick (≥0.05±0.003), width (≤1.3), high (100-800), substrate (PE), peel strength (80-100g/cm), temperature resistance (60), elongation (>400) Uses: Stable adhesion, good adhesion, good peeling performance, no glue residue, suitable for fine-grained frosted boards, aluminum-plastic boards, hard-to-stick plastic sheets, etc. 6. Ultra-high viscosity protective film features: thick (≥0.04±0.003), width (≤1.3), high (100-800), substrate (PE), peel strength (above 100g/cm), temperature resistance (60), elongation (>400) Uses: Very high viscosity, water-based acrylic acid is used as pressure-sensitive adhesive, easy to use, easy to stick and tear, no glue residue phenomenon. Suitable for rough-grained aluminum plate and other difficult-to-stick materials
Clouds of flexible packaging solutions failures surround the world of flexible packaging solutions in particular, simply because people don’t pay as much attention to the flexible packaging as they should do.
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