... PA yellow Hot Melt Glue Granule for filters, paper,metals; With high bonding strength, good flexibility ... is mainly for both of machine oil and air filters; It has high bonding strength, good ... and high stiffness; It is suitable for bonding paper, metal, etc.TECHNICAL D ATA SHEET Yellow PA ... Granule for both machine oil and air filters, paper,metals; With high bonding strength, good flexibility