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Three methods for judging a high-quality aluminum foil bag

Requirements for quality of aluminum foil bag 1. Appearance, the aluminum plated surface should be clean, bright, flat, without lamination, crack indentation. No corrosion marks and rough surfaces left by burning oil. 2. Degreasing degree. The oil contamination level of aluminum foil bags for composite packaging shall be Grade AB. The test method is as […]

CategoriesIndustry News News

Classification of composite substrates for plastic packaging bags

With the development of science and technology, the flexible packaging industry has adopted a large number of new technologies, new processes, new equipment and new materials, making the flexible packaging composite substrate more and more types and better performance. Classified by material, it mainly includes paper substrate, plastic film substrate, metal foil substrate and evaporated […]

CategoriesIndustry News News

Diverse Types of Composite Substrates for Enhanced Food Bags

The world of composite food bags involves a range of substrates that contribute to their durability, functionality, and appeal. In this article, we delve into the various classifications of composite substrates used in crafting innovative food packaging solutions. At ShenZhen YongLianTai (YLT) Packing Plastic Bag Co., Ltd., we understand the significance of these substrates in […]