Pressurized liquid nitrogen container is a device for storing and replenishing liquid nitrogen. It is made of stainless steel and can generate pressure inside to achieve continuous discharge to achieve the purpose of replenishment. It is widely used in animal husbandry, ...
Currently, the lids that are in direct contact with dairy products on the market are mainly made of aluminum foil. Heat-sealed foil has strong permeability resistance, high heat sealing performance, strong oxidation resistance, good plasticity, and can make the shelf life of ...
The material selection of cosmetic bottle caps is important, considering processability and environmental protection. Common materials are plastic, metal and glass. Painted aluminum closure sheets can improve corrosion resistance and protect the safety of cosmetics. Aluminum ...