Duromar HAR

Duromar HAR

DUROMAR HAR is a carbide-filled trowelable wear-resistant putty. It is a more abrasion-resistant product than SAR, with similar working characteristics. It is used primarily in areas requiring more resistance to fine slurries either in liquid or powder form

Product Features

  • Outstanding resistance to entrained solids and abrasion
  • Very good chemical resistance
  • Excellent temperature and thermal shock resistance
  • Trowelable refractor
  • Easily built up for thick applications



  • Coal Mills
  • Chutes
  • Elbows Ash Hoppers
  • Slurry Piping Headers
Density 1.94
% Solids 100
Tensile Shear @ 70ºF (21ºC) 20.7 MPa
Tensile Strength @ 70ºF (21ºC) 80 MPa
Flexural Strength @ 70ºF (21ºC) 143 MPa
Max. Dry Operating Temp 190ºC
Operating pH Range 1.50-14.0
Inorganic Acids Very Good
Organic Acids Good
Solvents Good
Alkalis Excellent
Salts Excellent
Alcohols Excellent
Hydrocarbons Excellent


Arudra is in technical collaboration with Duromar Inc (USA), a world-renowned manufacturer of 100% solid (Zero Solvents) epoxy products. The collaboration gives Arudra complete ownership to manufacture Duromar® range of products & facilitate application services.

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