FFKM O-Rings


DuPont™ Kalrez® O-Ring Materials

Compound

Material Family

Durometer

Color

Low Temp (F)

High Temp (F)

Highlight Features

Kalrez 6375 FFKM 77 Black -4 527 General purpose, broadest chemical resistance
Kalrez 4079 FFKM 75 Black -.2. 600 High temperature, high mechanical strength
Kalrez 7075 FFKM 75 Black -0.4 620 Highest temperature resistance, lowest compression set
Kalrez 7090 FFKM 90 Black -14.8 617 High temperature, high hardness
Kalrez 7275 FFKM 75 Light Brown -4 572 Specialty, oxidizing & reactive chemical environments
Kalrez 7375 FFKM 76 Black -4 572 Specialty, high temperature, broad chemical & water / steam resistance
Kalrez 6380 FFKM 80 Cream -7.6 437 Specialty, strong amines
Kalrez 0040 FFKM 70 Black -43.6 428 Specialty, low temperature
Kalrez 0090 FFKM 95 Black -21 482 Rapid gas decompression resistance
Kalrez 1050 FFKM 82 Black - 550  Chemical process industries, good hot water/steam, excellent amine resistance
Kalrez 3065 FFKM 90 Black 550  Good chemical resistance and excellent resistance to sour oil and amines 
Kalrez 4079AMS FFKM 75 Black  28  600  Outstanding thermal stability, excellent compression set, good seal force retention properties 
Kalrez 6190 FFKM 73 Black  572  Excellent thermal stability, good mechanical strength, used in both static and dynamic sealing applications 
Kalrez 6221 FFKM 70  White  500  Superior chemical resistance and low contamination from extractables, FDA 
Kalrez 6230 FFKM 75 Black  500  Superior chemical resistance and low contamination from extractables 
Kalrez 8002 FFKM 76  Clear  527  Excellent plasma-cracking resistance and ultra-low particle generation in oxygen and fluorine-based plasmas. Good mechanical strength 
Kalrez 8085 FFKM 80 Beige  527 Low particle generation and low weight loss in oxygen, excellent mechanical strength, good in static and dynamic applications 
Kalrez 8475 FFKM 74 White  572  Excellent thermal stability and long-term sealing performance, significantly reduced outgassing properties 
Kalrez 8575 FFKM
74 White  572  Excellent thermal stability and long-term sealing performance, less infrared absorption, and reduced outgassing properties 
Kalrez 8705 FFKM 77 Black  590  Excellent resistance to high concentrations of damaging oxygen radicals, outstanding sealing functionality in high temperature vacuum applications
Kalrez 8900 FFKM 85 Black 617 Outstanding thermal stability, very low outgassing and low compression set
Kalrez 9100 Photo FFKM 74 Amber Clear  572 Very low weight loss, ultra-low particle generation, excellent resistance to dry process chemistry 
Kalrez 9100 Semi FFKM 78 Amber Clear  572 Excellent thermal stability, low outgassing and excellent elastic recovery 
Kalrez 9300 FFKM 82 Brown  572  Excellent resistance to oxygen and fluorine-based and etch process chemistry. Low metals content, excellent thermal stability
Kalrez 9500 FFKM 82 Tan  590   Excellent resistance to ozone, ammonia, water vapor, low erosion rate, excellent thermal stability
Kalrez 9600 FFKM 70 Olive-Green  600 Exceptional thermal stability, outstanding erosion resistance, low compression set, ultra-low outgassing 
Kalrez 7777 FFKM 75 Black  24  617  Outstanding thermal stability, low compression set, excellent seal force retention
Kalrez 7797 FFKM 90 Black  617  Outstanding thermal stability, low compression set, excellent seal force retention
Kalrez 7800 FFKM 75 Black  27  617  Outstanding thermal stability and compression set resistance, excellent seal force retention properties 
Kalrez LS205 FFKM 74 White  437  Superior chemical resistance and low extractables, use in food handling and pharmaceutical applications 
Kalrez LS390 FFKM 88 Grey  428  High hardness properties, low stiction, excellent chemical resistance, for use in food handling, beverage, and pharmaceutical
Kalrez MS220 FFKM 76  Black  446  Superior chemical resistance and low compression set
Kalrez PV8070 FFKM 83 Black  617 High temp, low compression set, excellent outgassing properties, excellent resistance to chlorine and fluorine gas
Kalrez W240 FFKM 79 Black  446 Excellent resistance / low volume swell in wet chemistries, excellent resistance to amine-based chemistries, low metals content

 Parker FFKM O-Ring Materials

Compound

Material Family

Durometer

Color

Low Temp (F)

High Temp (F)

Highlight Features

FF102-75 FFKM 75 Black - 525 Acid resistant, general purpose
FF106-75 FFKM 75 Black - 500 General purpose, low cost
FF200-75 FFKM 75 Black - 608 Low compression set
FF202-90 FFKM 90 Black - 608 Low compression set, extrusion resistant pressure
FF302-75

FFKM

75 Black - 608 Etch resistant, low metal ions
FF350-75 FFKM 75 White - 608 Plasma, high purity, FDA, USP Class VI
FF352-75 FFKM 75 White - 608 General purpose, etch resistant
FF354-65 FFKM 65 White - 608 Low closure force
FF370-75 FFKM 75 Black - 608 Low particle generation, low metal ion content
FF374-60 FFKM 60 Purple - 608 Low particle generation, low metal ion content
FF376-80 FFKM 80 Black - 608 Low particle generation, low metal ion content
FF400-80 FFKM 75 Black -40 500 Extreme low temperature
FF500-75 FFKM 75 Black - 550 Broad chemical resistance, FDA
FF580-75 FFKM 75 Black - 525 Steam/amine/base resistant, USP Class VI
FF582-90 FFkM 90 Black - 525 Pressure
V8545-75 FFKM 75 Black - 572 General purpose, FDA
V8581-90 FFKM 90 White - 550 Plasma etch resistant, low stiction
V8588-90 FFKM 90 Black - 572 Extrusion & RGD resistant

Freudenberg FFKM O-Ring Materials

Compound

Material Family

Durometer

Color

Low Temp (F)

High Temp (F)

Highlight Features

Simriz® 498 FFKM 78 Black 23 617 High temp aerospace applications, superior compression set resistance

Simriz® 506

FFKM 72 White 28.4    

Z7257

FFKM 75 Black 21 610 High temperature aerospace applications

Simriz® 481

FFKM 70 Black -4 446 Low temperature flexibility and chemical resistance

Simriz® 485

FFKM 75 Black 20 446 General purpose

Simriz® 487

FFKM 75 Black 21 570 High temp, excellent chemical resistance and low extractables

Simriz® 495

FFKM 80 Black 20 446 Wet chemistries, provides reliable acid resistance and low extractables

Simriz® 484

FFKM 75 Black 25 446 Plasma etching/ashing, plasma gas deposition 

Simriz® 486

FFKM 75 White 20 446 Excellent plasma resistance and low particulation

Simriz® 488

FFKM 75 White 21 570 Plasma etching, plasma gas deposition, high temp

Simriz® 489

FFKM 75 Clear 21 540 High temp plasma applications and excellent chemical compatibility in wet environments

Simriz® 495

FFKM 80 Black 20 446 Wet chemistries, reliable acid resistance and low extractables

Simriz® 499

FFKM 75 Clear 21 540 Plasma resistance, broad chemical resistance, ultra-low trace metals

Simriz® 508

FFKM 75 White 21 570 High temp applications, excellent plasma resistance and minimum particulation

GreenTweed Chemraz® O-Ring Materials

Compound

Material Family

Durometer

Color

Low Temp (F)

High Temp (F)

Highlight Features

505 FFKM 75 Black -22 446 General purpose, low compression let, low temp
555 FFKM 80 Black  10 600 General purpose, high temp, excellent compression set 
605 FFKM 80 Black  -4 500 High temp, excellent compression set, general purpose 
513 FFKM 80 White  -22 410 Good plasma resistance, good physical properties, general purpose 
520 FFKM 90 White  -22 464 General purpose, excellent plasma resistance, low contaminants 
550 FFKM 75  Black -22 410 General purpose, good chemical resistance
551 FFKM 80 Black  -10 600 General purpose, high temp, excellent compression set
592 FFKM 80 White  -22 464 General purpose, excellent physical properties, good static and dynamic performance 
526 FFKM 97  Black -4 482 Excellent RGD resistance, broad chemical resistance
678 FFKM 90 Black  -40 446 Excellent RGD resistance, exceptional performance in low temps, excellent compression set 
616 FFKM  -  - 0 615 Meets AMS 7257, virtually impervious to all existing fluids
618 FFKM 79 Black  0 615 Meets AMS 7257, virtually impervious to all existing fluids
676 FFKM 74 Black  0 615 Meets AMS 7257E, virtually impervious to all existing fluids
562 FFKM 95 Black  10 600 Excellent compression set, excellent steam & chemical resistance
615 FFKM 80 Black  0 615 Low compression set, excellent chemical resistance, high temp
694 FFKM 87 Black 10 600 Superior resistance to hostile reservoir chemistries, excellent compression set, 
510 FFKM 90 Black  -22 446 Broad chemical compatibility for harsh solutions, low temp capabilities, higher hardness 
564/566 LT FFKM 87 Black  -40 446 Exceptional performance in low temps, superior chemical resistance, excellent compression set 
656 FFKM 70 Clear  -4 450 Excellent plasma resistance, high purity, low metallic ion content 
517 FFKM 80 White  -22 428 No carbon black residue, low temp capabilities
585 FFKM 80 Cream  -22 428 Superior chemical resistance in strong oxidation, no carbon black residue 
SD625 FFKM 80 Black  -4 500 Superior high-temp properties, oustanding hot water resistance, 3-A & FDA 
570 FFKM 70 White  -22 410 Very low contaminants, good physical properties, excellent performance 
571 FFKM 80 White  -22 410 Very low contaminants, good physical properties, good performance 
629 FFKM 75 Clear Ivory  -4 500 Exceptional plasma resistance, minimal particulation, high purity, high elasticity
639 FFKM 80 Clear Ivory  -4 500 Exceptional plasma resistance, minimal particulation, high purity
640 FFKM 80 Brown  -4 554 Exceptional plasma resistance, minimal particulation, high purity, extended performance
547 FFKM 77 Clear brown  - 572 Exceptional plasma resistance, minimal particulation, high purity, excellent compression set
XRZ FFKM 67 Clear brown - 572 Outstanding plasma resistance, excellent surface resistance, high purity, low compression set 
657 FFKM 85 Burgundy  0 615 excellent plasma resistance, minimal particulation, high temp
E38 FFKM 80 White  -4 500 Minimal contamination, excellent physical properties, low metal ion, design flexibility 
XPE-HP FFKM 80 Gray - 491 High UV & ozone resistance, Superior 02 plasma resistance, high temp, reduced erosion, low compression 
XPE FFKM 73 Gray  - 536 High temp, Superior 02 plasma resistance, reduced product weight loss, low compression set 
504 FFKM 65  Black -22 446 Broad chemical compatibility, low compression set, low temp capabilities
514 FFKM 70 White  -22 428 No carbon black residue, low temp capabilities 
554/546 LT FFKM 80/90 Black 0 615 Exceptional performance in low temps, excellent compression set 
584 FFKM 70 Cream  -22 428 Superior chemical resistance, no carbon black residue 
600 FFKM 90 Black -22 446 High durometer and high density, broad chemical resistance, high temp 
543 FFKM 80 White -22 410 Good plasma resistane, good physical properties, minimal contamination, general purpose