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Teflon® FEP D 121

Category:	FEP , Perfluoroethylene Propylene Copolymer
Manufacturer:	DuPont Fluoropolymers
Trademark:	Teflon® FEP
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	qIAq4S_Teflon-FEP-D-121.pdf
PRICE:	Order Products email sales@su-jiao.com

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Message
DuPont™ Teflon ® FEPD 121 is an off-white aqueous fluorinated ethylene propylene (FEP) dispersion stabilized with a non-ionic surfactant. It is a general-purpose dispersion that can be used to impart some the unique properties of FEP to end products that would be difficult to make using traditional melt extrusion processes. It can be used to coat or impregnate porous structures or to make thin films. It can be coated and melt bonded to polytetrafluoroethylene (PTFE) resin or used as a hot melt adhesive. The FEP resin in FEPD 121 is a melt flowable thermoplastic, providing superior properties typical of fluoropolymer resins: retention of properties after service at 204 °C (400 °F) and useful properties at -240 °C (-400 °F). FEPD 121 aqueous dispersion provides: inertness to nearly all industrial chemicals and solvents stability at high temperatures excellent dielectric properties excellent weatherability Typical Applications Heat-sealable top coatings for PTFE-coated fabrics for belting, circuit boards, architectural fabrics and electrical insulation Cast film for capacitor dielectrics or chemical barriers Hot melt adhesive for PTFE, PFA and FEP parts Metal coatings

Message

DuPont™ Teflon ® FEPD 121 is an off-white aqueous fluorinated ethylene propylene (FEP) dispersion stabilized with a non-ionic
surfactant. It is a general-purpose dispersion that can be used to impart some the unique properties of FEP to end products that would be difficult to make using traditional melt extrusion processes. It can be used to coat or impregnate porous structures or to make thin films. It can be coated and melt bonded to polytetrafluoroethylene (PTFE) resin or used as a hot melt adhesive.

The FEP resin in FEPD 121 is a melt flowable thermoplastic, providing superior properties typical of fluoropolymer resins: retention of properties after service at 204 °C (400 °F) and useful properties at -240 °C (-400 °F).

FEPD 121 aqueous dispersion provides:

inertness to nearly all industrial chemicals and solvents

stability at high temperatures

excellent dielectric properties

excellent weatherability

Typical Applications

Heat-sealable top coatings for PTFE-coated fabrics for belting, circuit boards, architectural fabrics and electrical insulation

Cast film for capacitor dielectrics or chemical barriers

Hot melt adhesive for PTFE, PFA and FEP parts

Metal coatings

General Information
Features	Food Contact Acceptable Good Chemical Resistance Good Electrical Properties Good Weather Resistance
Uses	Adhesives Cast Film Coating Applications Film
Agency Ratings	EU 10/2011 2 FDA 21 CFR 177.1550 2
Forms	Dispersion
Processing Method	Dip Coating

Physical	Nominal Value	Unit	Test Method
Density ¹	1.41	g/cm³	ISO 12086, ASTM D4441
Melt Mass-Flow Rate (MFR) (372°C/5.0 kg)	8.0	g/10 min	ASTM D2116, ISO 12086
Average Particle Size	180	nm	Internal Method
pH
--	10.0		ASTM E70
--	10.0		ISO 1148
Solids Content - % FEP by weight
--	55	%	ASTM D4441
--	55	%	ISO 12086

Fill Analysis	Nominal Value	Unit	Test Method
Brookfield Viscosity
25°C	25	mPa·s	ISO 2555
25°C	25	mPa·s	ASTM D2196

Additional Information	Nominal Value	Unit	Test Method
Surfactant Content - based on FEP solids
--	5.5	%	ISO 12086
--	5.5	%	ASTM D4441

Thermal	Nominal Value	Unit	Test Method
Melting Temperature	260	°C	ISO 12086, ASTM D2116

Note Message
1 .	at 55% solids

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