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Kalrez Grade

Kalrez® for Aerospace

In the aerospace industry, components must withstand extreme temperatures, aggressive fuels, hydraulic fluids, and pressure fluctuations while maintaining long-term sealing reliability. Kalrez® perfluoroelastomer parts, developed by DuPont™, are engineered to meet these rigorous demands—making them a trusted sealing solution in both commercial and defense aviation.

Grades

Kalrez®Compounds for Aerospace

 

AerospaceKalrez 4079 AMSKalrez 7745
Maximum Service Temp., Deg. C316240
Shore A Hardness7578
Modulus @ 100%, Mpa7.247.18
Tensile Strength, Mpa16.8819.4
Elongation, %150175
ColorBlackOff White
Compression set.,@70h25%@204 Deg.C26%@150 Deg.C
Kalrez® for Food & Beverages /Pharmaceutical

Kalrez® perfluoroelastomer parts, are high-performance sealing solutions designed to meet the demanding requirements of the Food, Beverage, and Pharmaceutical industries. These industries demand excellent resistance to aggressive CIP/SIP chemicals, high temperatures, steam, and stringent cleanliness standards. Kalrez® offers exceptional durability, chemical resistance, and compliance with global food and pharma regulations.

Grades

Kalrez®Compounds for Pharmaceutical / Food & Beverages
Pharmaceutical / Food &BeveragesKalrez 6230Kalrez 6221
Maximum Service Temp., Deg. C260260
Lowest Service Temp., Deg. C-20-20
Shore A Hardness7570
Modulus @ 100%, Mpa9.67.2
Tensile Strength, Mpa16.515.2
Elongation, %170150
ColorBlackWhite
Compression set,70h@204 Deg.C %2631
Linear Co-Efficient of Thermal Expansion2.89 E-4/Deg C3.07 E-4/Deg C
Retraction Temperature,. Deg.C-3-4
Kalrez® for Oil, Gas & Petrochemical Applications

In the Oil, Gas, and Petrochemical industries, sealing solutions are critical for safety, reliability, and operational efficiency in extreme conditions—such as high pressures, corrosive fluids, aggressive chemicals, and wide temperature fluctuations. Kalrez® perfluoroelastomer parts, deliver superior performance, helping operators reduce downtime, minimize fugitive emissions, and extend mean time between failures (MTBF).

Grades

Kalrez®Compounds for Oil,Gas & Petrochemicals

Oil,Gas & Petrochemicals

Kalrez 0090

Kalrez 0040

Kalrez OG 193

Maximum Service Temp., Deg. C

250

220

250

Lowest Service Temp., Deg. C

-21

-42

-31

Shore A Hardness

95

70

94

Modulus %, Mpa

14.2 @50%

5.17 @100%

13 @50%

Tensile Strength, Mpa

19.5

8.96

22

Elongation, %

80

170

100

Color

Black

Black

Black

Compression set,70h@204 Deg.C %

33

53

29

Kalrez® for Chemical Processing Applications

Chemical processing environments expose sealing materials to aggressive chemicals, extreme temperatures, and harsh mechanical conditions. Kalrez® perfluoroelastomer parts, are engineered to offer superior chemical resistance, thermal stability, and long-term durability—making them the industry benchmark for sealing reliability in the chemical and specialty chemical industries.

Grades

Kalrez® for Chemical Processing Applications
Chemical ProcessingKalrez 6375Kalrez 7075Kalrez 7275Kalrez 7375Kalrez 6380
Maximum Service Temp., Deg. C275327300300225
Lowest Service Temp., Deg. C-20-18-20-20-22
Shore A Hardness7575757780
Modulus100 %, Mpa9.111.29.715.26.9
Tensile Strength, Mpa15.217.214.52015.9
Elongation, %160138160115160
ColorBlackBlackLight BrownBlackCream
Compression set,70h@204 Deg.C %241022942
Kalrez® for Semiconductor Manufacturing

Kalrez® perfluoroelastomer parts, developed by DuPont™, are industry-leading sealing solutions engineered to perform reliably in the ultra-clean, high-temperature, and chemically aggressive environments of semiconductor manufacturing. These seals offer unmatched purity, long life, and reduced contamination risk—making them ideal for critical wafer processing tools.

Kalrez® Applications in Semiconductor Manufacturing

Grades

Kalrez® for Semiconductor Manufacturing
 
Kalrez® Grade Application Maximum Temperature Process Type Chemistries
Kalrez® 9100/9500 Plasma Processes 150°C to 300°C HDPCVD, SACVD/FCVD, Conductor Etch TMS, TEOS, O₂, NH₃, CF₄, NF₃, HBr, SiF₄ and similar
Kalrez® 9600 PECVD/PEALD Up to 275°C Plasma Processes TMS, DEMS, SiH₄, N₂O, NH₃ and similar
Kalrez® 8705/9300 PECVD Curing, Ash/Strip 150°C to 250°C Plasma Processes O₂, UV light, CHF₃, H₂O vapor, Forming gas
Kalrez® 8900/7075UP Thermal Processes (ALD/LPCVD) 250°C to 300°C Thermal Processes WF₆, TiCl₄, HF, F₂, O₂, H₂O, Cl₂
Kalrez® 7075UP/8900 Oxidation/Nitridation 280°C to 300°C Thermal Processes N₂, H₂O vapor, HCl, Cl₂, O₂
Kalrez® 8575 Lamp Anneal/RTP 250°C to 275°C Thermal Processes Infrared light, O₂, H₂O vapor
Kalrez® 9300/9600 Wafer Surface Prep, Wet Processes 200°C to 275°C Wafer Surface Prep, Ash/Strip NF₃, HF, H₂, NH₃, EKC fluids
Kalrez® W240UP Etching, Stripping, Copper Plating 70°C to 125°C Wet Processes HNO₃, HF, NH₄OH, NMP, acetone, DMSO, CuSO₄ solution, H₂SO₄