Markez O-rings

Perfluoroelastomer FFKM O-Ring materials provide the highest temperature (up to 620°F) and most universal chemical resistance of any rubber O-Ring and Gasket material. Perfluoroelastomer O-Ring high temperature and chemical performance comes at a high price so only utilized in the most demanding cost benefit applications. FFKM O-Rings are available in a variety of brand names like Kalrez®, Chemraz®, Simriz® and Markez®. Perfluoroelastomer O-Rings are also available in many specific compound formulations engineered for targeted application performance like low or high temperature and chemical compatibility. Please refer to our FFKM O-Ring material comparison chart to compare relative price and performance properties some of the more popular perfluoroelastomer brands and compounds.

 

Markez® Popular Compound Comparison Table

Compound Number
Brand
Color
Durometer (Shore A)
Relative Price
Typical Inventory Level
Typical MFG Time
High Temp (° F)
Low Temp (° F)
Strong Acids
Hot Amines
Steam < 300 °F
Steam > 550 °F
Explosive Decompression
USP Class VI Medical Grade
FDA Compliant
Improved Compression Set Resistance
Plasma Resistance
Semicon
Oil and Gas
Chemical Processing
Life Sciences
Paint Spray Solvents
Aerospace
Alternative Fuels
                                                   
Z1028 Markez® Black 75 dollar sign 2 Inventory Level 4 2-4 Weeks 608 (320ºC) 5 (-15ºC) square   square             square square square   square square  
Data Sheet Markez® Z1028 - Best value general purpose performance, higher temperature resistance, wide chemical compatibility, compare to Kalrez® 6375 and Kalrez® 4079
Z1026 Markez® Black 75 dollar sign 1 Inventory Level 2 3-4 Weeks 480 (250°C)  5 (-15°C)                      square      square    square 
  Markez® Z1026 -Best value general purpose without higher temperture performance, good resistance to basic solvents and chemicals but not steam or strong acids. Compare to Chemraz® 505, Simriz® 485, Markez® 1205
Z1210 Markez® Black 80 dollar sign 2 Inventory Level 2 6-8 Weeks 450 (230ºC) 20 (-5ºC) square   square             square square square   square   square
Data Sheet Markez® Z1210 - General purpose, improved acid resistance, solvents and a wide range of chemicals, steam resistance, compare to Kalrez® 6375
SZ485 Simriz® Black 75 dollar sign 2 Inventory Level 3 6-8 Weeks 450 (230ºC) 20 (-5ºC)                           square    
  Simriz® SZ485 - General purpose, not for use with steam or strong acids, compare to Markez® Z1028, Z1205 and Z1026
Z1352 Markez® Black 75 dollar sign 3 Inventory Level 1 3-4 Weeks 500 (260ºC) 5 (-15ºC) square square square               square square        
Data Sheet Markez® Z1352 - Improved Acid, Amine and Steam resistance, compare to Kalrez® 6380 and Kalrez® 1050LF
Z1401 Markez® Black 80 dollar sign 3 Inventory Level 1 4-5 Weeks 620 (325ºC) -20 (-30ºC)                       square     square  
  Markez® Z1401 - Higher and wider temperature range, general purpose, compare to Chemraz® 615 and Kalrez® 4079
Z1409 Markez® Black 75 dollar sign 3 Inventory Level 1 4-5 Weeks 500 (260ºC) 5 (-15ºC)     square       square           square      
Data Sheet Markez® Z1409 - FDA compliant for food and life science application, good in steam, acids and wide chemical compatibility. compare to Kalrez® 6230
Z1318 Markez® White 75 dollar sign 3 Inventory Level 1 4-5 Weeks 500 (260ºC) 5 (-15ºC)           square square           square      
  Markez® Z1318 - Medical Grade, USP Class VI, FDA, USDA 3A, Compare to Kalrez® 6221
C505 Chemraz® Black 75 dollar sign 3 Inventory Level 3 4-6 Weeks 450 (230ºC) -20 (-30ºC)                     square square   square   square
  Chemraz® C505 - General purpose, not for use with steam or strong acids, compare to Markez® Z1028, Z1205 and Z1026
C605 Chemraz® Black 80 dollar sign 3 Inventory Level 2 4-6 Weeks 500 (260ºC) -5 (-20ºC)   square square     square       square square square square      
  Chemraz® C605 - General purpose, compare to Markez® Z1028
Z1319 Markez® Black 75 dollar sign 4 Inventory Level 2 3-4 Weeks 620 (325ºC) 5 (-15ºC) square square square square           square square square     square  
Data Sheet Markez® Z1319 - Higher temperature resistance, excellent steam resistance, low compression set, low permeability and very low outgassing. Compare to Kalrez® 4079 and 7075
Z1321 Markez® Black 75 dollar sign 4 Inventory Level 1 3-4 Weeks 475 (245ºC) -45 (-43ºC) square   square             square square square     square square
  Markez® Z1321 - Improved low temperature resistance for use in oilfield and gas exploration, wide chemical resistance compare to Kalrez® 0040
K6375 Kalrez® Black 75 dollar sign 4 Inventory Level 3 6-8 Weeks 525 (275ºC) -5 (-20ºC) square square square                 square        
  Kalrez® K6375 - General purpose, compare to Markez® Z1028
C615 Chemraz® Black 80 dollar sign 4 Inventory Level 3 4-6 Weeks 620 (325ºC) 0 (-18ºC)                   square square square     square  
  Chemraz® C615 - Higher temperature resistance general purpose,not for use with steam, compare to Markez® Z1028, Z1401, Z1319 and Z1213
K7075 Kalrez® Black 75 dollar sign 5 Inventory Level 2 6-8 Weeks 620 (325ºC) 20 (-5ºC) square   square             square square square     square  
  Kalrez® K7075 - Higher temperature resistance general purpose, compare to Markez® Z1028, Z1401, Z1319 and Z1214
K4079 Kalrez® Black 75 dollar sign 5 Inventory Level 3 6-8 Weeks 600 (315ºC) 20 (-5ºC)                   square square square     square  
  Kalrez® K4079 - Higher temperature resistance, not for use with steam, compare to Markez® Z1028, Z1401, Z1319 and Z1213
Z1412 Markez® Black 90 dollar sign 4 Inventory Level 1 3-4 Weeks 590 (310ºC) 5 (-15ºC) square   square square square           square square        
Data Sheet Markez® Z1412 - Higher temperature resistance Norsok M710 AED explosive decompression resistance, excellent resistance to Sour gas and associated chemicals and steam, compare to Kalrez® 7090
Z1322 Markez® Black 90 dollar sign 4 Inventory Level 1 3-4 Weeks 480 (250ºC) -40 (-40ºC) square square square   square           square square        
  Markez® Z1322 - Lower temperature resistance, AED explosive decompression resistance, providing the best overall temp range and Chemical resistance, compare to Kalrez® 0040
C526 Chemraz® Black 95 dollar sign 5 Inventory Level 2 4-5 Weeks 475 (245ºC) -5 (-20ºC)     square   square           square          
  Chemraz® C526 - Explosive decompression, compare to Markez® Z1322
Z1403 Markez® White 75 dollar sign 3 Inventory Level 1 4-5 Weeks 600 (315ºC) -20 (-30ºC)               square square square            
  Markez® Z1403 - Wider temperature range, higher purity, lower extractables, improved plasma resistance. compare to Kalrez® 8575
Z1216 Markez® White 75 dollar sign 3 Inventory Level 1 6-8 Weeks 620 (325ºC) 20 (-5ºC)               square square square            
Data Sheet Markez® Z1216 - Improved plasma resistance higher purity higher temperature resistance, very low compression set over time. compare to Kalrez® 9100, 9500 and Chemraz® DXZ
Z1411 Markez® Clear Amber 62 dollar sign 4 Inventory Level 1 4-6 Weeks 450 (230ºC) 5 (-15ºC)               square square square            
  Markez® Z1411 - Higher purity amber tinted clear, same as Markez® Z1407 but lower durometer for lower compression force for delicate applications, compare to Kalrez® 8002
K8575 Kalrez® White 62 dollar sign 6 Inventory Level 2 6-8 Weeks 575 (300ºC) 20 (-5ºC)                 square square            
  Kalrez® K8575 - High temperature semiconductor processing, compare to Markez® Z1216, Z1308
K9100 Kalrez® White 74 dollar sign 6 Inventory Level 2 6-8 Weeks 575 (300ºC) 20 (-5ºC)               square square square            
  Kalrez® K9100 -Higher purity translucent white, compare to Markez® Z1216, Z1307                                    

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