Packaging Knowledge

A Complete Guide to Plastic Recycling Symbols: What Do the Numbers in the Triangle Mean The plastic recycling symbol, commonly found at the bottom of plastic products, consists of a triangle made up of three arrows, with a number from 1 to 7 inside. Many consumers and buyers have seen it but are unsure what each number represents in terms of material type, food safety, and recyclability. This complete guide to plastic recycling symbols will help you understand the identity,…

Is plastic packaging toxic? From Plastic Phobia to Rational Understanding Is plastic packaging toxic? This is a question that procurement personnel in the food, daily chemical, and pharmaceutical industries often ask, and it's also a lingering concern for ordinary consumers when purchasing products. Every day, we come into contact with plastic packaging for food, beverages, and medicines. Does it really release harmful substances? As a factory with years of experience in flexible packaging, Huashu Packaging aims to provide a clear…

What to Consider When Customizing Packaging from a Factory? A List of 12 Hidden Costs When purchasing custom food packaging bags for the first time, many customers are most concerned about this question. Many clients focus only on the unit price when placing an order, only to discover later that there are hidden costs such as setup fees, sample fees, revision fees, and premium charges for minimum order quantities, leading to budget overruns. This article, from the perspective of a…

Difference Between Aluminum Foil and Pure Aluminum: A One-Character Difference, A Performance Gap of Tenfold At first glance, the difference between aluminum foil and pure aluminum seems to be just a one-character distinction in the process. However, in terms of performance and cost, the difference can be nearly tenfold. Many buyers often confuse aluminum foil bags with pure aluminum bags when customizing food packaging, leading to incorrect material selection, which can result in inadequate barrier properties, shortened shelf life, and…

Digital Print Packaging: The Revolution of Small-Batch Customization When brand owners are still struggling with the high minimum order quantities of traditional printing, digital print packaging is changing the game. With features such as no plate-making required, low minimum order quantity, and fast delivery, digital print packaging has become the preferred solution for small-batch customization and market testing. This article analyzes how digital print packaging helps brands quickly iterate packaging solutions from three dimensions: cost, quality, and applicable scenarios. What…

EFSA EU Food Grade Certification: What's the Difference from FDA Food packaging companies exporting to Europe will almost inevitably encounter the topic of EFSA EU Food Grade Certification. Many people confuse it with FDA certification, but in fact, there are significant differences between the two in terms of regulatory systems, evaluation processes, and scope of application. This article provides a systematic comparison from a factory operational perspective, highlighting the differences between EFSA EU Food Grade Certification and FDA Certification, helping…