Teflon® PFA 340 Datasheet,PFA,DuPont Fluoropolymers-SHANGHAI SUSHENG

Teflon® PFA 340

Category:	PFA , Perfluoroalkoxy
Manufacturer:	DuPont Fluoropolymers
Trademark:	Teflon® PFA
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	sohG1z_Teflon-PFA-340.pdf
PRICE:	Order Products email sales@su-jiao.com

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For inventory control purposes product name may be followed by an X. Products labeled PFA 340 and PFA 340 X are equivalent and all information in this document is applicable to both. Typical Application Applications for DuPont™ Teflon ® PFA 340 include extruded tubing and other profiles for hose, wire and cable insulation, and sleeving; industrial film; and injection or compression molded articles requiring superior electrical, chemical, and thermal properties. DuPont™ Teflon ® PFA 340 is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon ® PFA, its most unique features are a relatively high melt flow rate (typical MFR of 14) and properties that make it suitable for a variety of processes and demanding end uses. Table 1 shows the typical property data for Teflon ® PFA 340. Teflon ® PFA 340 is used when traditional extrusion and molding processes are required 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 340 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 340 combines the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene. Properly processed products made from neat Teflon ® PFA 340 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 340 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 smoke. Teflon ® PFA 340 meets the requirements of ASTM D3307, Type I

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For inventory control purposes product name may be followed by an X.

Products labeled PFA 340 and PFA 340 X are equivalent and all information in this document is applicable to both.

Typical Application
Applications for DuPont™ Teflon ® PFA 340 include extruded tubing and other profiles for hose, wire and cable insulation, and sleeving; industrial film; and injection or compression molded articles requiring superior electrical, chemical, and thermal properties.

DuPont™ Teflon ® PFA 340 is a general-purpose fluoroplastic resin available in pellet form. Compared with other grades of Teflon ® PFA, its most unique features are a relatively high melt flow rate (typical MFR of 14) and properties that make it suitable for a variety of processes and demanding end uses. Table 1 shows the typical property data for Teflon ® PFA 340.

Teflon ® PFA 340 is used when traditional extrusion and molding processes are required 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 340 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 340 combines the processing ease of conventional thermoplastics with many properties similar to those of polytetrafluoroethylene.

Properly processed products made from neat Teflon ® PFA 340 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 340 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 smoke.

Teflon ® PFA 340 meets the requirements of ASTM D3307, Type I

General Information
Features	Low friction coefficient Low hygroscopicity Low smoke Good electrical performance Good creep resistance Good melt strength Good flexibility High liquidity Good chemical resistance Good weather resistance Heat resistance, medium Thermal stability, good Good toughness
Uses	Films Wire and cable applications Industrial application Pipe Pipe fittings Insulating material Profile
Forms	Particle
Processing Method	Extrusion Resin transfer molding Compression molding Injection molding

Physical	Nominal Value	Unit	Test Method
Specific Gravity	2.15	g/cm³	ASTM D792
Melt Mass-Flow Rate (MFR) (372°C/5.0 kg)	14	g/10 min	ASTM D3307, ISO 12086
Water Absorption (24 hr)	< 0.030	%	ASTM D570

Hardness	Nominal Value	Unit	Test Method
Durometer Hardness (Shore D)	55		ASTM D2240, ISO 868

Mechanical	Nominal Value	Unit	Test Method
Tensile Strength			ASTM D3307, ISO 12086
23°C	25.0	MPa	ASTM D3307, ISO 12086
250°C	12.0	MPa	ASTM D3307, ISO 12086
Tensile Elongation			ASTM D3307, ISO 12086
Fracture, 23°C	300	%	ASTM D3307, ISO 12086
Fracture, 250°C	480	%	ASTM D3307, ISO 12086
Flexural Modulus			ASTM D790, ISO 178
23°C	590	MPa	ASTM D790, ISO 178
250°C	55.0	MPa	ASTM D790, ISO 178

Thermal	Nominal Value	Unit	Test Method
Melting Temperature	305	°C	ASTM D4591

Electrical	Nominal Value	Unit	Test Method
Volume Resistivity	1.0E+18	ohms·cm	ASTM D257, ISO 1325
Dielectric Strength
0.250 mm ¹	80	kV/mm	ASTM D149
0.250 mm	80	kV/mm	IEC 60243-1
Dielectric Constant (1 MHz)	2.03		ASTM D150, IEC 60250
Dissipation Factor (1 MHz)	< 2.0E-4		ASTM D150, IEC 60250

Flammability	Nominal Value	Unit	Test Method
Flame Rating ²	V-0		UL 94
Oxygen Index	> 95	%	ASTM D2863, ISO 4589-2

Additional Information	Nominal Value	Unit	Test Method
Critical Shear Rate (372°C)	50.0	sec^-1
MIT Folding Endurance ³(200.0 µm)	1.5E+4	Cycles	ASTM D2176
Weather and Chemical Resistance: Outstanding

Note Message
1 .	Method A (short time)
2 .	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.
3 .	Depending on fabrication conditions

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