Yellow PA Hot Melt Glue Granule for filters, paper, metals; With high bonding strength, good flexibility, thermal stability ... Melt Glue Granule It is mainly for both machine oil and air filters. It has high bonding strength, good flexibility, thermal stability ... ATA SHEET PA yellow Hot Melt Glue Granule for air filters, paper, metals; Yellow glue granule with high bonding strength, good ...