Materials

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PLASTIC MECHANICAL
STRENGTH
GENERAL
CHEMICAL
RESISTANCE
THERMAL
RESISTANCE
FEATURED
PROPERTIES
EVA (Micro-Line™ - TSI)
Ethylene-vinyl acetate
3 3 2 Physically
conformable
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 chemicals,
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 Dow)
Perfluoroalkoxy resin
2 5 2 Chemical & solvent
resistant
PMMA (Acrylic)
Polymethyl Methacrylate
3 3 3 Transparent, good
general properties
PTFE (Teflon® - DuPont Dow)
Polytetrafluoroethylene
2 5 2 Unsurpassed chemical
resistance
POM (Delrin® - DuPont Dow)
Polyoxymethylene
3 3 2 Wear
resistance
PPA (Amodel®)
Polyphthalamide
3 3 4 Thermal and
dimensional stability
PPS (Fortron® - 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 Ultra-high molecular
weight polyethylene
3 3 3 Porous form,
solvent resistant

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ELASTOMER MECHANICAL
STRENGTH
GENERAL
CHEMICAL
RESISTANCE
THERMAL
RESISTANCE
FEATURED
PROPERTIES
EPDM Ethylene/propylene
rubber
3 4 3 Very good
solvent resistance
FKM (Viton® Fluoroelastomer
- DuPont Dow)
5 4 4 Superior balance
of properties
CR (Neoprene® Polychloroprene
- DuPont Dow)
3 3 3 Good balance
of properties
FFKM (Kalrez® Perfluoroelastomer
- DuPont Dow)
3 5 5 Unsurpassed
chemical resistance
Silicone (Silastic E® -
DuPont Dow)
3 3 4 Good balance
of properties

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OTHER MATERIALS MECHANICAL
STRENGTH
GENERAL
CHEMICAL
RESISTANCE
THERMAL
RESISTANCE
FEATURED
PROPERTIES
TZP (Ceramic) 5 5 5 Superior surface
finish and excellent
dimensional stability
Sapphire (Aluminum
Oxide)
5 5 5 Superior surface
finish and excellent
dimensional stability

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KEY: 5 - Superior 4 - Excellent 3 - Good 2 - Fair

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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
FeCr Alloy Excellent corrosion resistance, good magnetic properties
Aluminum Colorability, low cost

Trade names are for reference only.

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