Teflon® PFA 445HP

About
For inventory control purposes product name may be followed by an X. Products labeled PFA 445HP and PFA 445HP X are equivalent and all information in this document is applicable to both. Typical Application Applications for DuPont™ Teflon ® PFA 445HP include tubing, unsupported pipe linings for the production of ultra-pure chemicals, semiconductor components, and fluid handling components for high-performance chemical delivery systems where purity in the parts-per-billion range is needed. Description DuPont™ Teflon ® PFA 445HP is a special purpose fluoroplastic resin available in pellet form. This resin is a chemically modified form of Teflon ® PFA 345 that combines many of the benefits of the parent resin (excellent resistance to environmental stress-cracking with a typical MIT folding endurance of 50,000*) with several additional benefits including enhanced purity, improved thermal stability while processing, and chemical inertness; for example, to ozonated fluids. Table 1 shows the typical property data for Teflon ® PFA 445HP. Teflon ® PFA 445HP is a premium resin with the lowest level of extractables designed to meet ultra-high purity requirements. Teflon ® PFA 445HP has a medium-range melt flow rate (typical MFR of 5), and the highest level of inertness due to stable end group polymer structure. The enhanced purity of Teflon ® PFA 445HP makes it suitable for applications that require improved color, lower extractable fluorides, and freedom from other foreign materials. This product contains no additives and is designed for hostile chemical environments where purity in the parts-per-billion range is needed. Examples are in semiconductor manufacture, fluid handling systems for industry or life sciences, and instrumentation for precise measurements of fluid systems. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon ® PFA 445HP can be used to improve processing rates, combining the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon ® PFA 445HP 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 445HP resist ignition and do not promote flame spread. When ignited by flame rom other sources, their contribution of heat is very small and added at a slow rate with very little smoke. Teflon ® PFA 445HP meets the requirements of ASTM D3307, Type III&&

About

For inventory control purposes product name may be followed by an X. Products labeled PFA 445HP and PFA 445HP X are equivalent and all information in this document is applicable to both. Typical Application Applications for DuPont™ Teflon ® PFA 445HP include tubing, unsupported pipe linings for the production of ultra-pure chemicals, semiconductor components, and fluid handling components for high-performance chemical delivery systems where purity in the parts-per-billion range is needed. Description DuPont™ Teflon ® PFA 445HP is a special purpose fluoroplastic resin available in pellet form. This resin is a chemically modified form of Teflon ® PFA 345 that combines many of the benefits of the parent resin (excellent resistance to environmental stress-cracking with a typical MIT folding endurance of 50,000*) with several additional benefits including enhanced purity, improved thermal stability while processing, and chemical inertness; for example, to ozonated fluids. Table 1 shows the typical property data for Teflon ® PFA 445HP. Teflon ® PFA 445HP is a premium resin with the lowest level of extractables designed to meet ultra-high purity requirements. Teflon ® PFA 445HP has a medium-range melt flow rate (typical MFR of 5), and the highest level of inertness due to stable end group polymer structure. The enhanced purity of Teflon ® PFA 445HP makes it suitable for applications that require improved color, lower extractable fluorides, and freedom from other foreign materials. This product contains no additives and is designed for hostile chemical environments where purity in the parts-per-billion range is needed. Examples are in semiconductor manufacture, fluid handling systems for industry or life sciences, and instrumentation for precise measurements of fluid systems. Compared to other thermoplastics, the high melt strength and thermal stability of Teflon ® PFA 445HP can be used to improve processing rates, combining the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon ® PFA 445HP 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 445HP resist ignition and do not promote flame spread. When ignited by flame rom other sources, their contribution of heat is very small and added at a slow rate with very little smoke. Teflon ® PFA 445HP meets the requirements of ASTM D3307, Type III&&

Product Description
Supplier	Chemours
Generic	PFA
Material Status	Commercial: Active
Features	Weather resistance is good,Good flexibility,High purity,Low smoke,Good Electrical Properties,Low coefficient of friction,Good melt strength,Moderate liquidity,Heat Resistance, Good,Solvent resistance,Low moisture absorption,Heat Stabilized,High ESCR,V-0
Availabilitys	North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	2.14	g/cm³	ASTM D792
Melt Flow Rate
372℃，5.0kg	5.0	g/10min	ISO 12086
372℃，5.0kg	5.0	g/10min	ASTM D3307
Water absorption rate
24hr	< 0.030	%	ASTM D570

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s D	55		ASTM D2240
Shaw’s D	55		ISO 868
tensile strength			ASTM D3307
23℃	26.0	MPa	ASTM D3307
250℃	10.0	MPa	ASTM D3307
tensile strength			ISO 12086
23℃	26.0	MPa	ISO 12086
250℃	10.0	MPa	ISO 12086
Tensile strain			ASTM D3307
Fracture, 23 ℃	320	%	ASTM D3307
Fracture, 250 ℃	480	%	ASTM D3307
Tensile strain			ISO 12086
Fracture, 23 ℃	320	%	ISO 12086
Fracture, 250 ℃	480	%	ISO 12086
Bending modulus			ASTM D790
23℃	551	MPa	ASTM D790
250℃	55.0	MPa	ASTM D790
Bending modulus			ISO 178
23℃	551	MPa	ISO 178
250℃	55.0	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		ASTM D150
1 MHz	< 2.0E-4		IEC 60250

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℃）	21.0	sec^-1
MIT flexural strength (200.0 µ m)	5.0E+4	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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