O-ringen FFKM (evolast®)
FFKM materialen zijn chemisch en thermisch de meest belastbare elastomeren. Met een aantal FFKM-types zijn temperaturen van iets meer dan 300°C beheersbaar. De bestendigheid tegen chemicaliën is nagenoeg universeel en vergelijkbaar met die van PTFE. Het voordeel van FFKM ligt in de verbinding van de chemische en thermische bestendigheid van PTFE met de elastische eigenschappen van elastomeermateriaal.
Deze speciale elastomeren worden overal gebruikt waar hun hoge prijs door overeenkomstige veiligheidseisen of hoge onderhoudskosten gerechtvaardigd is en er van standaardelastomeren teveel gevraagd wordt.
FFKM is niet bestand tegen:
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Materiaal naam | Compound | Hardheid |
Kleur | Temperatuur | Temperatuur | Equivalent van | Beschrijving |
shore | min. °C | max. °C | |||||
2160-10301 | 60 (A) | ![]() |
-20 | +270 |
FDA |
||
evolast® B794 | 2170-10303 | 70 (A) | ![]() |
-20 | +270 |
Kalrez® 6880 6221 Perlast® G74S |
FDA 21 CFR 177.2400 |
evolast® B795 | 2170-10301 | 70 (A) | ![]() |
-15 | +300 |
Perlast® G70H |
high temperature |
evolast® B7LT | 2170-10304 | 70 (A) | ![]() |
-40 | +250 |
Simriz® 483 Chemraz®514 |
excellent low temperature |
evolast® B7SC | 2175-10308 | 75 (A) | ![]() |
-20 | +300 |
Kalrez® 8575 |
high temperature |
evolast® B894 | 2180-10304 | 80 (A) | ![]() |
-20 | +270 |
Chemraz® SD 517 Chemraz® 513-514 |
standard applications |
evolast® B895 | 2180-10303 | 80 (A) | ![]() |
-15 | +300 |
(G75 S) Perlast® G80H |
high temperature |
evolast® N694 | 2170-10302 | 60 (A) | ![]() |
-25 | +270 |
standard applications |
|
evolast® N794 | 2170-10302 | 70 (A) | ![]() |
-25 | +270 |
Simriz® 491 |
FDA 21 CFR 177.2400 |
evolast® N7FD | 2175-10305 | 75 (A) | ![]() |
-20 | +270 |
Kalrez® 6230 Chemraz® SD625 |
FDA 21 CFR 177.2400 |
evolast® N7HC | 2170-10305 | 70 (A) | ![]() |
-20 | +260 |
steam |
|
evolast® N7LT | 2175-10301 | 75 (A) | ![]() |
-40 | +250 |
Kalrez® 0040 Chemraz® 505 |
excellent low temperature |
evolast® N775 | 2175-10309 | 75 (A) | ![]() |
-15 | +340 |
Spectrum® 7075 Triazinico |
high temperature |
2175-10307 | 75 (A) | ![]() |
-25 | +270 |
Kalrez® 6375 Chemraz® 605 Perlast® G80A Isolast® 9440 Simriz® 495 Parafluor® V8910-75 |
standard applications |
|
evolast® N896 | 2175-10303 | 75 (A) | ![]() |
-15 | +330 |
Kalrez® 4079 Isolast® J8325 - J9876 Chemraz® 615 Perlast® G75B Chemraz® 551 |
high temperature |
evolast® N897 | 2175-10306 | 80 (A) | ![]() |
-30 | +260 |
Isolast® J9503 Simriz® 481 |
low temperature |
evolast® N8FD | 2175-10310 | 75 (A) | ![]() |
-15 | +315 |
high temperature |
|
evolast® N8LT | 2175-10311 | 75 (A) | ![]() |
-40 | +260 |
excellent low temperature |
|
evolast® N8SR | 2175-10304 | 75 (A) | ![]() |
-15 | +330 |
Kalrez® 1050LF |
steam |
evolast® N993 | 2190-10302 | 90 (A) | ![]() |
-20 | +270 |
standard applications |
|
evolast® N995 | 2190-10304 | 90 (A) | ![]() |
-15 | +330 |
high temperature |
|
evolast® N9ED | 2190-10305 | 90 (A) | ![]() |
-15 | +260 (+280) |
Chemraz® 526 Isolast® J9510 Perlast® G90D |
anti explosive decompression AED |
evolast® N9EX | 2190-10301 | 90 (A) | ![]() |
-15 | +320(+340) |
Kalrez® 7090 |
anti explosive decompression AED |
evolast® N9LT | 2190-10306 | 90 (A) | ![]() |
-40 | +250(+270) |
anti explosive decompression AED |
|
evolast® T695 | 2160-10304 | 60 (A) | ![]() |
-15 | +275 |
Perlast® G74P |
high purity |
evolast® T795 | 2170-10306 | 70 (A) | ![]() |
-15 | +275 |
Kalrez® 9100 Parofluor® 8712
|
high purity |
evolast® V7FD | 2170-10307 | 70 (A) | ![]() |
-15 | +270 |
standard applications |
|
evolast® V895 | 2180-10305 | 80 (A) | ![]() |
-15 | +310 |
high temperature |
|
evolast® B8HC | 2180-10307 | 80 (A) | ![]() |
-20 | +260 |
excellent for hot water / steam / amine |
|
evolast® N994 | 2190-10303 | 90 (A) | ![]() |
-30 | +260 |
Chemraz® 510 Kalrez® 3018 Chemraz® 600 |
suitable for low temperature |
evolast® N7HC | 2175-10312 | 75 (A) | ![]() |
-20 | +260 |
superior service life in hot water, steam and amines |
|
evolast® T795 | 2170-10306 | 70 (A) | ![]() |
-15 | +275 |
very good properties without metal or carbon black filler |
|
evolast® N697 | 2160-10303 | 60 (A) | ![]() |
-40 | +260 |
FDA 21 CFR 177.2400 |