Heat seal infusion sheet material for infusion packages comprising a fibrous non-woven web having a basis weight of 12 gsm to 30 gsm, a first color infusion time of less than 12 seconds, a percent transmittance of less than 70 percent and heat seal range of 110°C to 240°C, said web comprising cellulosic natural fibe...

A heat seal infusion sheet material for infusion packages comprising a fibrous non-woven web having a basis weight of 12 gsm to 30 gsm, a first color infusion time of less than 12 seconds, a percent transmittance of less than 70 percent and heat seal range of 110°C to 240°C, said web comprising cellulosic natural fi...