Blogs-Dongguang Haokai Plastic Co., Ltd

Differences Between Aluminum Foil Bags and Vacuum Bags

Aluminum foil bags and vacuum bags are both common sealed packaging products widely used in food preservation and commodity storage. Many people easily confuse the two packaging types due to their similar sealing and fres...

Common Sealing Problems of Vacuum Packaging Bags

The sealing edge is the most critical and fragile part of vacuum packaging bags.The tightness and flatness of the seal directly determine the vacuum retention ability,shelf life and food safety of packaged products.In dai...

High Temperature Resistance of Vacuum Packaging Bags

Most ordinary vacuum packaging bags are not high-temperature resistant, and their heat resistance depends entirely on the composite materials used in production. Unlike high-temperature resistant packaging bags such as re...

Material Composition of Vacuum Packaging Bags

Vacuum packaging bags are high-barrier plastic composite packaging materials specially designed for sealed fresh-keeping storage. Different from ordinary plastic bags, their material formula is strictly optimized to achie...

How to Seal Vacuum Packaging Bags

Sealing is the core step of vacuum packaging, which directly determines the airtightness, fresh-keeping effect and storage life of vacuum packaging bags. A complete and tight seal can isolate external air, moisture and ba...

Differences Between Thickened and Ordinary Vacuum Packaging Bags

Vacuum packaging bags are divided into ordinary thin models and thickened high-strength models according to material thickness and structural design. Although both types can realize vacuum sealing and food fresh-keeping f...