... and infusion high degree of wet strength HEATSEA.L TEABAG FILTER PAPER1.Product Features ----ideal for teabag products that require high ... : ---basis weight: 16.5gsm, 17gsm,18gsm,22gsm,24gsm,28gsm,30gsm ---roll width: 87mm,94mm,100mm,125mm,290mm,490mm,524mm,the largest ... /m2.s ---brightness: above 75% ----moisture: 5-9% tea bag filter paper