Teflon® PTFE 669N X

About
DuPont ™ Teflon ® PTFE 669N X is a polytetrafluoroethylene fine powder resin used primarily for paste extrusion. Teflon ® PTFE 669N X offers the excellent combination of properties typical of the Teflon ® fluoropolymer resins: non-aging characteristics; chemical inertness to nearly all industrial chemicals and solvents; exceptional dielectric properties, stable with frequency and temperature; toughness and flexibility; low coefficient of friction; non-stick characteristics; negligible moisture absorption; excellent weather resistance; service temperature up to 260°C (500°F); useful properties at -240 °C (-400 °F); moderate stiffness and high ultimate elongation. Teflon ® PTFE 669N X is designed for processing at very low to medium reduction ratios (10:1 to 500:1). It is particularly suitable for production of pipe liners and general tubing. Teflon ® PTFE 669N X meets the requirements of ASTM D4895-91a, Type I, Grade 2, Class A. Typical Applications Teflon ® PTFE 669N X is mainly used for the production of pipe liners used in the chemical industry. It is also used for making tubing and unsintered tape for mechanical, chemical and electrical applications.&&

About

DuPont ™ Teflon ® PTFE 669N X is a polytetrafluoroethylene fine powder resin used primarily for paste extrusion. Teflon ® PTFE 669N X offers the excellent combination of properties typical of the Teflon ® fluoropolymer resins: non-aging characteristics; chemical inertness to nearly all industrial chemicals and solvents; exceptional dielectric properties, stable with frequency and temperature; toughness and flexibility; low coefficient of friction; non-stick characteristics; negligible moisture absorption; excellent weather resistance; service temperature up to 260°C (500°F); useful properties at -240 °C (-400 °F); moderate stiffness and high ultimate elongation. Teflon ® PTFE 669N X is designed for processing at very low to medium reduction ratios (10:1 to 500:1). It is particularly suitable for production of pipe liners and general tubing. Teflon ® PTFE 669N X meets the requirements of ASTM D4895-91a, Type I, Grade 2, Class A. Typical Applications Teflon ® PTFE 669N X is mainly used for the production of pipe liners used in the chemical industry. It is also used for making tubing and unsintered tape for mechanical, chemical and electrical applications.&&

Product Description
Supplier	Chemours
Generic	PTFE
Material Status	Commercial: Active
Features	Good Rigidity,Weather resistance is good,Good flexibility,Good Electrical Properties,Low coefficient of friction,Food contact compliance,Good Tensile Strength,Solvent resistance,Low moisture absorption
Availabilitys	North America,Latin America,Asia Pacific,Europe
Process Methods	Extrusion

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	2.17	g/cm³	ASTM D4895 , ISO 12086
Apparent density	0.52	g/cm³	ASTM D4895 , ISO 12086
Average particle size
—	450	µm	ASTM D4895
—	450	µm	ISO 12086

THERMAL	Nominal value	Unit	Test method
Melting temperature			ASTM D4895 , ISO 12086
—	326	℃	ASTM D4895，ISO 12086
—	344	℃	ASTM D4895，ISO 12086

Supplementary information	Nominal value	Unit	Test method
Extrusion pressure – at RR=100:1
—	7.50	MPa	ASTM D4895
—	7.50	MPa	ISO 12086

Notes
1. Typical properties: these are not to be construed as specifications.
2. Second
3. Initial
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