heat seal coffee filter paper 1, from 16gsm to 40gsm, 2,normal width 125mm, 484mm, 90mm. 3 widely used for coffee pods heat ... tasteless, good ventilation 6, Used for packing tea as tea bag, sanitarian tea, Chinese herbal medicine, condiment, desiccant and so on ... N/15mmTensile strength dry, MD 133gsm. 19.4N/15mmBrightness >/= 75%Seal strength Potential 440g/50mmHeatseal ability 120 oC to 160 oC