Involved in flexible packaging industry for over 25 years, Huiyang Packaging has been a professional manufacturer by providing eco-friendly packaging and recyclable packaging for the fields of food, beverages, medical, home supplies and other products. Equipped with 4 sets of high-speed rotogravure printing machines and some relevant machines, Huiyang is capable of producing more than 15,000 tons of films and pouches each year. Premade pouch types cover side-sealed bags, pillow-type bags, zipper bags, stand-up pouch with zipper, spout pouch and some special shape bags, etc.

Materials and processes of coffee packaging bags: dismantling the “technological coat” of a cup of flavor

2025/05/14

Under the wave of boutique coffee, packaging bags have long been upgraded from “protectors” to “quality spokespersons”. A qualified coffee packaging bag should not only lock in the aroma, but also balance environmental pressure and consumer experience. This article will focus on the latest industry trends and reveal the packaging black technology from beans to cups. 1. Material showdown: Who is dominating the freshness battlefield of coffee bags? 1. The dominance of metallized materials - Aluminum foil composite coffee bag: adopts a three-layer composite structure of PET/aluminum foil/PE, with an oxygen barrier rate of over 99%, becoming the standard for high-end single-origin beans. Well-known brands such as Blue Bottle extend the shelf life of coffee flavor to 12 months through aluminum foil bags. - Aluminum-plated film alternative: The aluminum layer is thinned to micrometers through vacuum evaporation technology. While maintaining 85% barrier performance,...