Chemical Compatibility of Materials used in Lee products



The chemical compatibilities listed are meant as guidelines only. Material samples can be requested from The Lee Companyfor immersion testing. This is the most accurate method of determining the chemical compatibility of our materials and our customers' specific fluids.


                    Key
                    5 - Superior
                    4 - Excellent
                    3 - Good
                    2 - Fair
                    PLASTIC
                    MECHANICAL
                    STRENGTH
                    GENERAL
                    CHEMICAL
                    RESISTANCE
                    THERMAL
                    RESISTANCE
                    FEATURED
                    PROPERTIES
                    Tefzel® EFTE - DuPont
                    Ethylene-tetrafluorothylene
                    copolymer
                    2
                    4
                    3
                    Chemical and
                    solvent resistant
                    EVA Micro-Line™ - TSI
                    Ethylene-vinyl acetate
                    3
                    3
                    2
                    Physically
                    conformable
                    DuPont® FEP -
                    Fluorinated ethylene
                    propylene
                    2
                    5
                    2
                    Chemical &
                    solvent resistant
                    LCP Vectra® - Celanese
                    Liquid crystal polymer
                    5
                    4
                    4
                    Superior balance
                    of all properties
                    PBT Valox® - GE
                    Polybutylene terephthalate
                    3
                    3
                    3
                    Good balance of
                    all properties
                    PC Lexan® - GE
                    Polycarbonate
                    3
                    3
                    3
                    Optical clarity
                    PCTFE Kel-F® 81-3M
                    Polychlorotrifluoroethylene
                    3
                    4
                    3
                    Resists most chem. zero water
                    absorption
                    PES Victrex® -ICI
                    Polyethersulfone
                    3
                    3
                    4
                    Dimensionally
                    stable
                    PEEK Victrex® -ICI
                    Polyetheretherketone
                    4
                    3
                    5
                    Thermal stability
                    & good solvent resistance
                    DuPont® PFA Perfluoroalkoxy resin
                    2
                    5
                    2
                    Chemical &
                    solvent resistant
                    DuPont® PTFE
                    Polytetrafluoroethylene
                    2
                    5
                    2
                    Unsurpassed chemical
                    resistance
                    POM Delrin® - DuPont
                    Polyoxymethylene
                    3
                    3
                    2
                    Wear resistance
                    PPS Ryton® - Phillips Petro.
                    Polyphenylene sulfide
                    4
                    3
                    4
                    Very good
                    mechanical
                    strength
                    PVC
                    Polyvinylchloride
                    3
                    3
                    3
                    High flexibility
                    PVDF Kynar® - Pennwalt
                    Polyvinylidene fluoride
                    3
                    4
                    3
                    Chemical &
                    solvent resistant,
                    porous form
                    UHMWPE - Porex
                    Ultra-high molecular weight
                    polyethylene
                    3
                    3
                    3
                    Porous form
                    solvent resistant
                    Victrex® PEEK-ICI
                    Polyetheretherketone
                    4
                    3
                    5
                    Thermal stability
                    & good solvent
                    resistance
                    Victrex® PES-ICI
                    Polyethersulfone
                    3
                    3
                    4
                    Dimensionally
                    stable
                    Elastomer
                    Wear Resistance
                    General Chemical
                    Resistance
                    Thermal
                    Resistance
                    Featured
                    Properties
                    EPDM Nordel® - DuPont
                    Ethylene/propylene rubber
                    3
                    4
                    3
                    Very good
                    solvent
                    resistance
                    FCR Viton® Fluoroelastomer
                    - DuPont
                    5
                    4
                    4
                    Superior balance
                    of properties
                    Neoprene®
                    Polychloroprene - DuPont
                    3
                    3
                    3
                    Good balance of
                    properties
                    PFE Chemraz® -
                    Green Tweed
                    Perfluoroelastomer
                    3
                    5
                    5
                    Unsurpassed
                    chemical
                    resistance
                    PFE Kalrez® - DuPont
                    Perfluoroelastomer
                    3
                    5
                    5
                    Unsurpassed
                    chemical
                    resistance
                    Silicone Silastic E®
                    Dow Corning
                    3
                    3
                    4
                    Good balance
                    of properties
                    Viton® Fluoroelastomer FCR
                    DuPont
                    5
                    4
                    4
                    Superior balance
                    of properties
                    Adhesives
                    Featured Properties
                    EpoxyGood adhesive strength to many materials, good chemical resistance
                    CyanoacrylateQuick set, high strength
                    AnaerobicVery high strength, very good chemical resistance
                    Metals
                    Featured Properties
                    316 CRESSuperior corrosion resistance
                    430 CRESGood magnetic properties, good corrosion resistance
                    303, 304 CRESGood machinability, good corrosion resistance
                    17-4, 17-7 CRESHigh modulus, good corrosion resistance
                    Lee Alloy 63 (Special alloy for saline applications)Excellent corrosion resistance, good magnetic properties
                    Lee Alloy 24 (Special alloy for saline applications)Excellent corrosion resistance, good magnetic properties
                    AluminumColorablilty, low cost

For more information, please send us your application information via our ASK LEE service. Or contact our application engineers in the USA at 1-800-LEE-PLUG or our representatives around the world.
Copyright 12/2012 by The Lee Company, USA
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