Home > Denso Profiling Mastic™ Denso Profiling Mastic™ Self-supporting, lightweight and flexible mastic for all sealing, filling and caulking purposes. Used to fill awkward angles prior to wrapping with Denso™ Petrolatum Tapes or Bitumen Tapes. For use on mechanical joints, flanges, fittings and valves. Weight for weight Denso Profiling Mastic will fill three times the volume filled by other brand mastics due to its low density. Available in 1.75kg and 3kg blocks. resources contact us Packing Information Leaflets Product CodeSizeUnits Per Carton 83000011.75 kg6 83000023.5 kg4 WCD Protection of Pipeline Fittings and Valves leaflet BECOME A DENSO DISTRIBUTOR Interested in becoming a distributor or looking to find your local stockist? Contact us today. UK DISTRIBUTOR RESOURCES Browse our collection of useful marketing assets for Denso™ and Sylglas™ distributors.