Novares C 80 Indene-coumarone Rütgers Chemicals Tackifier >> Coumarone indene SEALANT The NOVARES C range consists of indene-coumarone-resins and offers purely synthetic polymer resins produced by the polymerisation of the so-called indene fraction obtained from the distillation of coal tar. Indene-coumarone-resins which were discovered in 1890 are the oldest synthetic resins produced industrially. Material for sound insulation is used for example in the automotive industry. The requirements for this product are efficient sound insulation as well as low weight. offers the following advantages in bitumen-based materials: adjusted sound insulation properties improved heat resistance and resistance to water and moisture Coumarone indene resin. Used as a tackifier in sound insulation materials. Provides heat, water and moisture resistance.