... , chinese medicine,etc. 2. SGS, COC etc. 3. good heat seal 4. food grade tea bag filter paperOur factory specially ... water absorption, excellent air permeability, high tensile strength and nice heat seal performance, suitable for packing tea, coffee, herbs, condiment ... : 450mm-500mm,according to clients' special requirements. 5. The heat seal temperature: 95-115 centigrade degree.6. Machine: our filter ...