PTFE machining service

PTFE parts offer excellent self-lubricating properties, chemical corrosion resistance, high-temperature resistance, impact resistance, and other outstanding characteristics.

Machining process:

What is ptfe material?

PTFE (polytetrafluoroethylene) is a high-performance fluoropolymer made from tetrafluoroethylene, featuring a highly stable molecular structure in which the carbon backbone is fully shielded by fluorine atoms, giving it outstanding chemical resistance, high and low temperature resistance, and low friction properties.

PTFE material properties

Property	Typical PTFE Value	Common Test Method
Density	2.1–2.3 g/cm³	ASTM D792
Heat Deflection Temperature (HDT)	55°C @ 1.82 MPa (264 psi)	ASTM D648
Melting Point	327–335°C	ASTM D3418
Tensile Strength	15–35 MPa	ASTM D638
Coefficient of Friction	0.04–0.10	ASTM D1894
Water Absorption	<0.01%	ASTM D570

PTFE machined component properties

Excellent corrosion resistance
Wide operating temperature range
Extremely low coefficient of friction and self-lubricating properties
Electrical insulation properties
Excellent weather and aging resistance
Low toxicity

Pro and cons of PTFE machining part

Advantages: PTFE parts offer excellent chemical resistance, a wide service temperature range of about -200°C to 260°C, extremely low friction, and outstanding electrical insulation.

Disadvantages: PTFE parts also have relatively low mechanical strength, limited wear resistance under demanding conditions, and higher processing costs due to specialized manufacturing methods.

Application of PTFE component

Chemical Corrosion Protection

PTFE is widely used for pipe linings, tank linings, and valve seals in strong acid transfer systems and semiconductor wet process equipment.

Electronics & High-Frequency Communication

PTFE is used in high-frequency cable insulation, 5G antenna components, and PCB substrates for radar systems and coaxial cables.

Automotive & Mechanical Components

Used in bearings, sliders, seals, and lubrication components. It can also be added to PA, PC, and ABS to improve wear resistance and reduce friction.

Medical Industry

PTFE is used in artificial blood vessels, catheters, and surgical sutures where chemical inertness and biocompatibility are required.

New Energy & Photovoltaics

PTFE is used in photovoltaic backsheet films, battery separator materials, and other new energy components.

Surface finish for custom ptfe parts

modifies the surface of PTFE through controlled irradiation, improving its surface activity, adhesion, and bonding performance while maintaining its key material properties.