Mask Filter Layer Nonwoven from United States
An electret-treated nonwoven, weighing 25 g/m² or less, coated with meltblown additives to enhance charge retention for surgical mask filter media. The treatment is not visible to the naked eye, keeping it in heading 56.03 as a nonwoven.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the electret treatment is not a visible coating; if it is, classification may shift
• Provide documentation on the meltblown additive and its function
• Verify the product meets Health Canada requirements for medical mask materials