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Elmet Technologies

Chemours Teflon™ 420G-109 One coat PTFE Coating System
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE)

Material Notes: One coat systems can be applied to smooth, clean metal and used with food processing equipment, fasteners, and components in the automotive and aerospace markets. These coatings are formulated with special blends of fluoropolymers and other high-performance resins. This formulation gives them the ability to form layers—or stratify—in the cure process, which makes the fluoropolymer more concentrated at the surface. This stratification allows the one coat to better retain its hardness, corrosion and abrasion resistance, low friction, and nonstick properties during baking.

Information provided by Chemours.

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Physical PropertiesMetricEnglishComments
Water Absorption <= 0.010 %
@Time 86400 sec
<= 0.010 %
@Time 24.0 hour
ASTM D570
Thickness 20.3 microns0.800 milFilm Build per coat
 <= 20.3 microns<= 0.800 milMax Total Film Build
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 260 °C500 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 371 - 399 °C700 - 750 °FCure Temperature
 
Compliance PropertiesMetricEnglishComments
FDA YesYesFood Contact per 21CFR.
 
Descriptive Properties
CarrierSolvent
Chemical/Solvent ResistanceExcellentASTM D543
ColorSparkling Black
Salt Spray Resistance Coatings (hours)192ASTM B117. 5% NaCl at 35 °C (95 °F). On aluminum.
 744+ASTM B117. 5% NaCl at 35 °C (95 °F).

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PDU8743 / 268669

Ensinger PEI

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