Teflon® PFA 350

About
For inventory control purposes, product name may be followed by an X. Products labeled PFA 350 and PFA 350 X are eguivalent, and all information in this document is applicable to both. Typical Application: Applications for Teflon” PFA 350 include extruded tubing for use in handling aggressive fluids at high pressures; chemical linings for pipes used in the chemical processing industry; film for high flex service; and traditional extruded, injection-molded, or blow-molded articles reguiring the unigue performance of Teflon”. Description: Teflonil PFA 350 is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon PFA, its most unigue features are a relatively low flow rate, greatly increased flex life, and enhanced resistance to environmental stress-cracking over both Teflonw PFA B40 and S45 (Teflon PEA 350 has a typical MlTfolding endurance of 500,000*, compared to that of 15,000 and 50,000 for Tefloni” PFA 340 and 345, respectively). Teflonw PFA B50 is preferred when extended service is reguired in hostile environments involving chemical, thermal, and mechanical stress. Table 1 shows the typical property data for Teflonl” PFA S50. Teflon PFA 350 is used when traditional extrusion and molding processes are reguired for producing products with the superior properties of a fluoroplastic resin. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon” PFA 350 can be used to improve processing rates. Compared with other fluoroplastics, creep resistance at high service temperatures provides a superior balance and level of end-use properties. Teflon” PFA 350 combines the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon PFA 350 resin provide the superior properties characteristic of fluoroplastic resins: chemical inertness, exceptional dielectric properties, heat resistance, toughness and flexibility, low coefficient of friction, non-stick characteristics, negligible moisture absorption, low flammability, performance at temperature extremes, and excellent weather resistance. In a flame situation, products of Teflon PFA 350 resist ignition and do not promote flame spread. When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smolke. Teflon” PFA 350 meets the requirements of ASTM D3307, Type ll.&&

About

For inventory control purposes, product name may be followed by an X. Products labeled PFA 350 and PFA 350 X are eguivalent, and all information in this document is applicable to both. Typical Application: Applications for Teflon” PFA 350 include extruded tubing for use in handling aggressive fluids at high pressures; chemical linings for pipes used in the chemical processing industry; film for high flex service; and traditional extruded, injection-molded, or blow-molded articles reguiring the unigue performance of Teflon”. Description: Teflonil PFA 350 is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon PFA, its most unigue features are a relatively low flow rate, greatly increased flex life, and enhanced resistance to environmental stress-cracking over both Teflonw PFA B40 and S45 (Teflon PEA 350 has a typical MlTfolding endurance of 500,000*, compared to that of 15,000 and 50,000 for Tefloni” PFA 340 and 345, respectively). Teflonw PFA B50 is preferred when extended service is reguired in hostile environments involving chemical, thermal, and mechanical stress. Table 1 shows the typical property data for Teflonl” PFA S50. Teflon PFA 350 is used when traditional extrusion and molding processes are reguired for producing products with the superior properties of a fluoroplastic resin. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon” PFA 350 can be used to improve processing rates. Compared with other fluoroplastics, creep resistance at high service temperatures provides a superior balance and level of end-use properties. Teflon” PFA 350 combines the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon PFA 350 resin provide the superior properties characteristic of fluoroplastic resins: chemical inertness, exceptional dielectric properties, heat resistance, toughness and flexibility, low coefficient of friction, non-stick characteristics, negligible moisture absorption, low flammability, performance at temperature extremes, and excellent weather resistance. In a flame situation, products of Teflon PFA 350 resist ignition and do not promote flame spread. When ignited by flame from other sources, their contribution of heat is very small and added at a slow rate with very little smolke. Teflon” PFA 350 meets the requirements of ASTM D3307, Type ll.&&

Product Description
Supplier	Chemours
Generic	PFA
Material Status	Commercial: Active
Features	V-0
Availabilitys	North America

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	2.15	g/cm³	ASTM D792
Melt Flow Rate
372℃，5.0kg	2.0	g/10min	ISO 12086
372℃，5.0kg	2.0	g/10min	ASTM D3307
Water absorption rate
24hr	< 0.030	%	ASTM D570

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s D	55		ISO 868
Shaw’s D	55		ASTM D2240
tensile strength			ASTM D3307
23℃	28.0	MPa	ASTM D3307
250℃	14.0	MPa	ASTM D3307
tensile strength			ISO 12086
23℃	28.0	MPa	ISO 12086
250℃	14.0	MPa	ISO 12086
Tensile strain			ASTM D3307
Fracture, 23 ℃	300	%	ASTM D3307
Fracture, 250 ℃	500	%	ASTM D3307
Tensile strain			ISO 12086
Fracture, 23 ℃	300	%	ISO 12086
Fracture, 250 ℃	500	%	ISO 12086
Bending modulus			ASTM D790
23℃	625	MPa	ASTM D790
250℃	69.0	MPa	ASTM D790
Bending modulus			ISO 178
23℃	625	MPa	ISO 178
250℃	69.0	MPa	ISO 178

THERMAL	Nominal value	Unit	Test method
Melting temperature	305	℃	ASTM D4591

Electrical performance	Nominal value	Unit	Test method
Volume resistivity	1.0E+18	ohms·cm	ASTM D257
Volume resistivity	1.0E+18	ohms·cm	ISO 1325
Dielectric strength
0.25 mm	80	kV/mm	ASTM D149
0.25 mm	80	kV/mm	IEC 60243-1
Dielectric constant
1 MHz	2.03		IEC 60250
1 MHz	2.03		ASTM D150
Dissipation factor
1 MHz	< 2.0E-4		IEC 60250
1 MHz	< 2.0E-4		ASTM D150

FLAME CHARACTERISTICS	Nominal value	Unit	Test method
Flame retardant level	V-0		UL 94
Extreme oxygen index	> 95	%	ASTM D2863
Extreme oxygen index	> 95	%	ISO 4589-2

Supplementary information	Nominal value	Unit	Test method
Critical Shear Rate（372℃）	12.0	sec^-1
MIT flexural strength (200.0 µ m)	5.0E+5	Cycles	ASTM D2176

Notes
1. Typical properties: these are not to be construed as specifications.
2. Method A (Short-Time)
3. These results are based on laboratory tests under controlled conditions and do not reflect performance under actual fire conditions, current rating is a typical theoretical value.
4. Depending on fabrication conditions
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