Elastomer Guide - Central States Industrial · 2017. 8. 23. · Elastomer Guide High Temp 225 F...
1
Elastomer Guide High Temp 225 F Buna-N (Nitrile) Characteristics Very good with oil-based products Good with acid and caustic (2% caustic max; 0.5% acid max) Loses life at high temperatures Common Identifier Black with red dot Symbol U High Temp 300 F EPDM (Ethylene Propylene Diene Monomer) Characteristics Very good with acid and caustic Good for steam Fats and oils will soften and distort material Common Identifier Black with 3 green dots Symbol E High Temp 400 F Viton® (Steam Resistant Flouroelastomer) Characteristics Very good with acid and most oils Good with caustic and steam Higher cost Poor flexibility at low temperatures Common Identifier Black with yellow and white dot Symbol SFY High Temp 450 F Teflon® (Polytetrafluoroethylene, PTFE) Characteristics Very good for virtually all fluids and temperatures Good for abrasive applications Higher cost Inflexible / Can deform under pressure Common Identifier White Symbol G High Temp 450 F Silicone Characteristics Very good for high temperatures Higher cost Poor for high-pressure steam Tears easily Common Identifier Translucent with pink dot Symbol X For more information about elastomers, call 417.831.1411 The information provided is intended to be used only as a guideline. Due to the many variables in each unique application, testing is the best way to determine elastomer life. Extended exposure near or at high temperature limits may shorten the material life. Additional materials or colors may be available. Specific material availability varies by product.
Transcript of Elastomer Guide - Central States Industrial · 2017. 8. 23. · Elastomer Guide High Temp 225 F...
-
Elastomer Guide
High Temp
225 F
Buna-N (Nitrile)
Characteristics
Very good with oil-based productsGood with acid and caustic (2% caustic max; 0.5% acid max)Loses life at high temperatures
Common Identi�er
Black withred dot
Symbol
UHigh Temp
300 F
EPDM (Ethylene Propylene Diene Monomer)
Characteristics
Very good with acid and causticGood for steamFats and oils will soften and distort material
Common Identi�er
Black with 3 green dots
Symbol
E
High Temp
400 F
Viton® (Steam Resistant Flouroelastomer)
Characteristics
Very good with acid and most oilsGood with caustic and steamHigher costPoor �exibility at low temperatures
Common Identi�er
Black withyellow and white dot
Symbol
SFYHigh Temp
450 F
Te�on® (Polytetra�uoroethylene, PTFE)
Characteristics
Very good for virtually all �uids and temperaturesGood for abrasive applicationsHigher costIn�exible / Can deform under pressure
Common Identi�er
White
Symbol
G
High Temp
450 F
Silicone
Characteristics
Very good for high temperaturesHigher costPoor for high-pressure steamTears easily
Common Identi�er
Translucent with
pink dot
Symbol
X
For more information about elastomers, call
417.831.1411
The information provided is intended to be used only as a guideline.
Due to the many variables in each unique application, testing is the best way to determine elastomer life. Extended exposure near or at high temperature limits may shorten the material life.
Additional materials or colors may be available. Speci�c materialavailability varies by product.
