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FTI Air Materials Temperature Limits

MaterialChemical CompositionDescription Operating Temperature
MinMax 
Polypropylene Pure polypropylene Thermoplastic that is resistant to alkali and strong acids. Lightweight and tough with good tensile strength.  32°F
0°C
158°F
70°C 
PDVF Pure polyvinylidene fluoride  Strong fluoropolymer with excellent chemical resistance.  High tensile and impact strength. 10°F
-12°C 
220°F
104°C 
Stainless steel 316 stainless steel Wetted stainless steel wetted components are made of 316 stainless steel.  Excellent chemical resistance, high tensile and impact strength, abrasion resistant. Limited by
other materials
used in pump.
Aluminium ADC 12, LM24, LM25 Moderate chemical resistance with good impact strength and abrasion resistance. Limited by
other materials
used in pump.
Buna Acrylonitrile-butadiene rubber Also known as Buna-N, NBR or Nitrile.  General purpose elastomer with good resistance to oil, water, solvent and hydraulic fluid.  Not recommended with acetone, MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons. 10°F
-12°C 
190°F
88°C 
EPDM Ethylene propylene
diene rubber
Good resistance to mild acids, detergents, alkalis, ketones and alcohols.  Not recommended with solvents, petroleum oil, mineral oil or fuel exposure. -40°F
-40°C 
250°F
121°C 
FKM Fluorocarbon rubber Good resistance to a broad range of chemicals combined with good high temperature properties.  Resistant to most acids, aliphatic, aromatic and halogenated hydrocarbons, oils, grease and fuels.  Not recommended with hot water or hot aqueous solutions.  -40°F
-40°C
350°F
177°C 
Neoprene Chloroprene rubber Also known as chloroprene (CR). General purpose elastomer with good resistance to moderate chemicals, oils, grease, solvents and some refrigerants.  Not recommended with oxidizing acids, ketones, esters or chlorinated hydrocarbons. -0°F
-18°C 
 212°F
100°C
Santoprene Fully cured EPDM rubber particles encapsulated in a polypropylene (PP) matrix Thermoplastic elastomer with good abrasion resistance with chemical resistance to a wide range of solvents and chemicals.  Injection molded with no fabric layer. -40°F
-40°C
225°F
107°C
Hytrel Thermoplastic polyester elastomer Thermoplastic elastomer that combines resistance and flexibility of elastomers with the strength of plastics.  Resistant to acids, bases, amines and glycols.  Injection modled with no fabric layer. -20°F
-29°F
220°F
104°C
Polyurethane Polyester urethane Thermoplastic that exhibits excellent abrasion resistance providing superior performance in hydraulic and abrasive applications. Injection molded with no fabric layer. 32°F
0°C
150°F
66°C
PTFE Polytetrafluoroethylene Chemically inert and non-reactive.  Resistant to a wide range of chemicals. 40°F
4°C
225°F
107°C
FEP Fluroinated ethylene propylene Similar to PTFE in composition and similar chemical resistance but is more easily formed/shaped.  Used to encapsulate FKM o-rings for superior chemical resistance. 40°F
4°C
225°F
107°C


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