Flat bag is a plastic packaging container with polyethylene (PE) as the main material. Its opening is flat and has no handle or rope. It is a flat bag structure with a closed bottom and an open top, and no additional sealing device.
Alias: Also known as PE bag, inner film bag, liner bag, some models can be customized in dark colors to avoid light.
Materials and Features
Material:
high-density (HDPE) or low-density (LDPE) types, and some use biodegradable materials such as starch-based or polylactic acid.
Core Features:
Airtightness: waterproof, moisture-proof, dust-proof and anti-fouling, protecting items from environmental influences
Transparency: Most of them are transparent designs to facilitate the visualization of the contents.
Durability: Lightweight but high strength, can carry a certain weight.
Environmental protection: Conventional PE bags can be recycled.
Classification
By function: ordinary flat bags, degradable flat bags, anti-static flat bags, etc
Application areas
Industrial packaging: as the lining of cartons and turnover boxes to prevent wear and pollution.
Daily necessities: storage of food, cosmetics, stationery, etc., suitable for medical device packaging.
Commercial use: transparent bags are used for product display, and customized printed bags are used to enhance brand image.
Precautions
• Storage environment: Avoid high temperature exposure to prevent PE material from softening and deforming.
