Petcoal 100 Aromatic hydrocarbon Tosoh Tackifier >> Hydrocarbon resin >> Aromatic ADHESIVE >> Hot-melt >> Pressure sensitive (HMPSA) Petcoal® is a family of aromatic hydrocarbon resins which exhibit excellent solvency. Petcoal® resins are compatible with a wide range of synthetic resins and rubbers; they have good thermal stability and weathering properties as well. Pale, yellow, clear Pale, yellow aromatic hydrocarbon resin. Used in pressure sensitive adhesives. Exhibits good solvency, thermal stability and weathering properties. Offers compatibility with a wide range of synthetic resins and rubbers.