漏れテスト

Plastic shopping bags are plastic bags that consumers use to hold purchased goods and have a carrying function. It is made of resin as the main raw material, and is used in sales, service and other places to hold goods such as goods and to carry bags. Biodegradable plastic shopping bags are plastic shopping bags made of films made of biodegradable plastic resins as the main raw material, and processed by bag-making processes such as heat sealing or bonding, and also include shopping bags made of biodegradable plastics and other materials. Reference standards: GB/T21661-2020 Plastic shopping bags GB/T38082-2019 Biodegradable plastic shopping bags 1. Leakage test Slowly pour the plastic shopping …

Shopping Bag Testing 続きを読む "