... excellent air permeability, high tensile strength and nice heat seal performance, suitable for packing tea, coffee, ... CDMA and other model of automatic teabag packing machines.1. Basic weight: 16.5gsm,18gsm,21gsm and ... ,according to clients' special requirements. 5. The heat seal temperature: 95-115 centigrade degree.6. Machine ... for E.S.E. certified machines 16.5-30g heat sealing tea bag filter paper