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FFKM Comparison sheet

■ What is KTseal ?123
KTseal , is the brand name for KTseal's perfluoroelastomer product range.
Dupont Dow Elastomers, Kalrez R and Greene, Tweed's Chemraz R are also perfluoroelastomers.
■ History of Perfluoroelastomers
■ Market Sectors:
■ Market Sectors:
■ Market Sectors:
■ Compression Set:
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■ CPI
Mechanical Seals
Pumps
Valves
Flanges
Mixers
Pipework
■ Static or limited dynamics (for O-rings)
■ Relatively low pressures (for O-rings)
■ Wide temperature range
■ Severe chemical duty
■ Oilfield
Downhole production equipment
Logging equipment
Chemical injection
■ Static and dynamic
■ Semiconductor
Wafer fabrication equipment
Chemical delivery systems
Pumps, valves, filters etc.
■ Mainly o-rings in non-standard grooves
■ Exotic acids and plasmas
■ High vacuum
■ Low contamination
■ Low outgassing
■ Print, Paint, and Coating Industries
Solvents
■ Aerospace
High Temperature
Rocket Propellants
.Available Products
O-Rings
P-V-Rings
Fabric Reinforced Diaphragm
nflatable Seals
Bellows
Valve Stem Packings
Custom Moulded Geometries
Bonded Products
“Forsheda produce an elastomeric [KTseal] lipseal (V Ring). This will provide an answer to the “stationary clogging issue” and leverage the KTseal product line. ”
Note that the V Ring will run against the end of the inner gland plate which is hardened and lapped for this purpose.
Diaphragms (Under Development)
KTseal /FKM bonded diaphragms.Alternative to PTFE diaphragms for chemically challenging applicationsoffering:
Flexibility of elastomer

Chemical resistance of KTseal
Physical strength of FKM
Extended diaphragm life
Full pump performance
Full pump performance
Reduced down time and maintenance costs
Inflatable Seals
PTFE cold flow
Particles imbedded into PTFE seal
Expensive hardware damaged
High levels of maintenance KTseal inflatable seals. Alternative to PTFE for chemically challenging applications offering:
Repeated inflations
Full retraction after inflation
Elimination of hardware damage
Reduced down time and maintenance costs
Materials Testing
Compression set
Hardness
Swell and volume change
Hysteresis
Elongation
Tensile strength
Tear strength
Specific gravity
Abrasion resistance