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