PTFE Powder

PTFE Powder is a versatile fluoropolymer powder from our extensive range of advanced materials. With 54 variations to choose from, it offers an array of properties, including excellent chemical resistance, low friction and high thermal stability. This makes it ideal for applications such as coatings, linings, additives and lubricants across industries like aerospace, automotive, chemical processing and more. Whether seeking an anti-stick surface or high-performance seal, PTFE Powder provides a range of solutions thanks to the diverse forms and specifications available.

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Tolerance

Properties

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10g

25g

50g

75g

£176.09each
5+ for £142.64ea
10+ for £130.31ea

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£182.44each
5+ for £147.77ea
10+ for £135.00ea

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£191.22each
5+ for £154.89ea
10+ for £141.50ea

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£198.96each
5+ for £161.15ea
10+ for £147.22ea

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Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Good
Acids - dilute	Good
Alcohols	Good
Alkalis	Good
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good
Halogens	Good
Ketones	Good

Mechanical Properties

Element	Value
Coefficient of friction	0.05-0.2
Hardness - Rockwell	D50-55 - Shore
Poisson's ratio	0.46
Elongation at break( % )	400
Tensile modulus( GPa )	0.3-0.8
Izod impact strength( J m⁻¹ )	160
Tensile strength( MPa )	Oct-40

Electrical Properties

Element	Value
Dielectric constant @1MHz	2-2.1
Dissipation factor @ 1MHz	0.0003-0.0007
Dielectric strength( kV mm⁻¹ )	50-170
Surface resistivity( Ohm/sq )	10¹⁷
Volume resistivity( Ohmcm )	10¹⁸-10¹⁹

Physical Properties

Element	Value
Flammability	V0
Radiation resistance	Poor
Refractive index	1.38
Resistance to Ultra-violet	Excellent
Limiting oxygen index( % )	95
Water absorption - over 24 hours( % )	0.01
Density( gcm⁻³ )	2.2

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	120
Heat-deflection temperature - 1.8MPa( C )	54
Lower working temperature( C )	-260
Upper working temperature( C )	180-260
Specific heat( J K⁻¹ kg⁻¹ )	1000
Thermal conductivity( W m⁻¹ K⁻¹ )	0.25@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	100-160