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
EFTE Tefzel® - DuPont
Ethylene-tetrafluorothylene
copolymer
2
4
3
Chemical and
solvent resistant
EVA Micro-Line™ - TSI
Ethylene-vinyl acetate
3
3
2
Physically
conformable
FEP Teflon® - DuPont
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
PFA Teflon® - DuPont
Perfluoroalkoxy resin
2
5
2
Chemical &
solvent resistant
PTFE Teflon® - DuPont
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
Epoxy Good adhesive strength to many materials, good chemical resistance
Cyanoacrylate Quick set, high strength
Anaerobic Very high strength, very good chemical resistance

 

Metals
Featured Properties
316 CRES Superior corrosion resistance
430 CRES Good magnetic properties, good corrosion resistance
303, 304 CRES Good machinability, good corrosion resistance
17-4, 17-7 CRES High 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
Aluminum Colorablilty, low cost

 

<< Engineering Data

The Lee Company, Industrial Microhydraulics Group • 82 Pequot Park Road, Westbrook, CT 06498-0424 • Tel: 860-399-6281 • Fax: 860-399-7037 • inquiry@TheLeeCo.com
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