... excellent air permeability, high tensile strength and nice heat seal performance, suitable for packing tea, coffee, ... special requirements. 5. The heat seal temperature: 95-115 centigrade degree.6. Machine: our filter paper can ... on the high speed world famous automatic teabag packing machine. Such as MAISA,IMA C2000, C21, Universal, ... . certified machines 16.5-30g heat sealing tea bag filter paper