... etc. 3. good heat seal filter paper for tea bags Our factory specially produce food grade tea bag & coffee filter paper which ... permeability, high tensile strength and nice heat seal performance, suitable for packing tea, coffee, herbs, condiment and other powder/granules products ... , NF-CDMA, etc. 7.Packing: 2 or 3 rolls in a polybag, then packed in strong carton. If you need, we ...