... use. 3:Low wear to machine High Grade Teabag Filter Paper:16.5gsm-25gsm Width: 64mm, 70mm, ... 76mmOD: 450mm or 430mm Application: The heat seal filter paper mainly used to make the small pouchs, such ... bag, tea & coffee bag, medical graule and power like as health care paper bag, flavoring bag. ... reached 180degree, the paper will seal automatically.Our filter paper has high adaptibility, can use well on ...