Views: 0 Author: Site Editor Publish Time: 2026-03-04 Origin: Site
3 Tips to Spot the Difference in Aluminum Foil Food-Grade or Industrial Use
With the wide variety of aluminum foil products on the market, distinguishing between food-grade and industrial-grade foil is crucial for protecting your family's health
The first key is to check the product labeling. Genuine food-grade aluminum foil must clearly display the GB4806.9-2016 Food Safety Standard
This code acts as the foil's identification mark
The second trick is to observe the surface texture. Food-grade aluminum foil undergoes special annealing treatment, resulting in a uniform matte finish, while industrial-grade foil often retains the shiny surface from the rolling process
The most practical identification method is a simple folding test: food-grade foil is more flexible and can withstand 5-6 folds without breaking
Industrial foil is usually stiffer and more brittle. Be especially wary of substandard foil potentially containing heavy metals like lead or chromium
Such products produce a distinct rustling sound when folded. Data from professional testing agencies indicates that approximately 15% of so-called food-grade aluminum foil on the market fails to meet standards
These substandard products may leach excessive aluminum ions when exposed to acidic foods
EU regulations for food contact materials stipulate that aluminum content in foil must not exceed 5 mg/kg, while high-quality products typically maintain levels below 1 mg/kg
When purchasing, consumers should prioritize products with complete packaging and manufacturer information
Bulk aluminum foil, even if cheaper, is not recommended for food packaging
Remembering these three tips can help safeguard your family's dietary safety