3M Dyneon™ 1641 PTFE Powder

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3M Dyneon™ 1641 PTFE Powder (discontinued **)
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE); Polytetrafluoroethylene (PTFE), Molded
Material Notes:	Type IV, gr. 2 PTFE. The unique properties of polytetrafluoroethylene (PTFE) makes it an indispensable material for modern industry. PTFE offers the following exceptional characteristics: Inert to a wide range of aggressive chemical agents Ultra-low friction coefficient Continuous service temperature range from cryogenic -330°F to 500°F Extremely resistant to embrittlement, aging or weathering PTFE has rapidly become the material choice where low friction, high durability, excellent thermal resistance and chemical inertness characteristics are required. Data provided by Dyneon.
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Physical Properties	Original Value	Comments

Density	2.15 g/cc	ASTM D4894
Apparent Bulk Density	0.830 g/cc	ASTM D4894
Particle Size	450 µm	ASTM D4894
Deformation	4.0 % @Pressure 15.00 MPa	Permanent; ASTM D621
	7.0 % @Time 86400 sec, Pressure 15.00 MPa	ASTM D2240

Mechanical Properties	Original Value	Comments
Hardness, Shore D	62	Initial; ASTM D2240
	53 @Time 15.0 sec	ASTM D2240
Tensile Strength at Break	27.6 MPa	ASTM D4894
Elongation at Break	350 %	ASTM D4894
Tensile Modulus	0.600 GPa	ASTM D638

Electrical Properties	Original Value	Comments
Dielectric Strength	2.50 kV/mm	ASTM D149

Thermal Properties	Original Value	Comments
CTE, linear	65.0 µm/m-°C @Temperature 30.0 - 100 °C	ASTM E1530
	87.0 µm/m-°C @Temperature 100 - 200 °C	ASTM E1530
	110 µm/m-°C @Temperature 200 - 300 °C	ASTM E1530
Thermal Conductivity	0.310 W/m-K @Temperature 100 °C	ASTM E1530
	0.320 W/m-K @Temperature 250 °C	ASTM E1530
Maximum Service Temperature, Air	500 °F
Minimum Service Temperature, Air	-330 °F
Shrinkage	2.8 %	ASTM D621

**
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PDYM12 / 34657

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