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DuPont™ Kalrez®  Perfluoroelastomer  O-Rings & Parts 
Superior Chemical Resistance to more than 1800 Chemicals

The DuPont™ Kalrez® product line has been specifically designed to deliver outstanding performance in aggressive process environments. Whether it is resistance to acids, amines, ultrapure de-ionized water, strong bases or high temperatures, by selecting the Kalrez® part that is best suited to a specific application, manufacturers can improve seal performance in their operating environment.

DuPont™ Kalrez® elastomers are designed to offer greater stability, resistance, and sealing efficiency in a variety of applications, including aerospace, chemical processing, chip production, and oil & gas.

DuPont™ Kalrez® Superior Chemical Resistance to more than 1800 Chemicals

DuPont™ Kalrez® Perfluoroelastomer parts have virtually universal chemical resistance. They withstand attacks from more than 1,800 chemicals, solvents. amines and plasmas. Standardizing on Kalrez® products for broad chemical resistance reduces your need to keep multiple materials on the shelf, thus lowering cost of inventory.

Features that provide an Optimal Solution to your Sealing Needs:

  • Outstanding Chemical Resistance
  • Service Temperature range up to 327° C
  • Maintains Sealing Force to keep Seals tight
  • Low Compression set
  • Purity in pharmaceutical and food applications

Industries we Serve:

  • Chemical & Petrochemical
  • Oil & Gas
  • Pharmaceutical (FDA grades available
  • Food and Beverage (FDA grades available)
  • Fertilizer
  • Semiconductor

Kalrez® Parts Chemical Resistance

Fluoroelastomer Kalrez®
Fluoroelastomer O-ring (left) and Kalrez O-ring (right). Kalrez O-ring exhibits less volume swell in trisolvent test
graph

Kalrez® Physical Properties of Standard Compounds

Kalrez” 6375 Kalrez 4079 Kalrez 7075 Kalrez 7275 Kalrez 7375
Operating Temp., Deg. C -20 to 275 -19 to 316 -18 to 327 -2 to 300 -20 to 300
Operating Pressure, Mpa 8.27 8.27 8.27 9.7 10.2
Shore A Hardness 75 75 75 75 79
Modulus @ 100%, Mpa 9.1 7.2 11.2 9.7 10.2
Tensile Strength, Mpa 15.2 16.9 17.2 14.5 16.9
Elongation, % 160 150 138 160 128
Color Black Black Black Light Brown Black
Compression set, % 24 35 15 22 14

Kalrez® Physical Properties of Specialty Compounds

Kalrez 6380 Kalrez 0040 Kalrez LS 205 Kalrez 6230 Kalrez 7390 Kalrez OG193 Kalrez 0090
Operating Temp., Deg. C -22 to 225 -42 to 220 -17 to 225 – 20 to 260 -20 to 300 -32 to 250 -72 to 250
Operating Pressure, Mpa 8.27 6.21 8.75 8.27 21.3 20 19.5
Shore A Hardness 80 70 74 75 89 95 95
Modulus @ 100%, Mpa 6.9 5.2 6.4 9.6 21.3 @50%, 11.1 @50%, 14.2
Tensile Strength, Mpa 15.9 9 20.3 16.5 22.1 21.4 19.5
Elongation, % 160 170 185 170 101 110 80
Color Cream Black White Black Black Black Black
Compression set, % 40 41 20 25 14 21 19
Specialty Application Aggressive Chemicals Resistance Cryogenic Applications FDA FDA Amine & Steam Resistance RGD RGD

Advantages of DuPont™ Kalrez®:

  • Kalrez® parts last longer and perform better than other elastomers
  • Reduces the risks of seal/ Equipment failure
  • Increases safety
  • Increases productivity
  • Reduces maintenance costs
  • Resistant to more than 1800 chemicals
  • Retains its sealing force longer than other elastomers

The Mascot Advantage:

Mascot Systems Private Limited., is the authorized channel Partner for DuPont™ Kalrez® perfluoroelastomer in India and has a rich experience that can help you with your demanding sealing requirements. We provide failure analysis, technical support and professional help to ensure that your downtime is minimized. Mechanical seal manufacturers, Pump and maintenance engineers handling critical applications turn to Mascot Systems for the best solution to their sealing requirements.

For your product requirements feel free to contact us

Kalrez®