... 3.Suitable for machine: IMA,MAISA,etc 4.SGS&FDA Tea filter bag is heat sealable, environmental-friendly bleached1, Weight range: 16gsm-40gsm ... 6, Used for packing tea as tea bag, sanitarian tea, Chinese herbal medicine, condiment, desiccant and so on Teabag filter paper ITERMSRESULTSGrammage 16.5+/-0 ... 2.0s 2.0sHeatseal ability 120 oC to 160 oC tea filter bag