... 4.in excellent heatseal ability We specially produces all kindly tea bag filter paper, heatseal type and non heat seal type ... tensile strength, good air penetrationcharacters. It is widely used in tea,coffee, medicine etc. filter bag packing. HEAT SEAL TEABAG FILTER PAPER ... .The heatseal temperature:135-150 centigrade degree.6.Usage: pack tea, herbs, cigarette etc.7.Packing: 250pcs in a polybag, then ...