Technical

The Benefits of PTFE (Teflon) Coating for Chemical Fasteners

S
SRG TECHNICAL TEAM
Metallurgy Specialist
DATE: 2024-05-25TIME: 6 min READ

Beyond Standard Zinc

In environments where acids, alkalis, and chlorides are present, standard galvanizing fails. This is where **PTFE (Polytetrafluoroethylene)** coatings, commonly known as Teflon, become essential.

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Key Advantages of PTFE Coating

1. **Chemical Resistance:** Virtually inert to most industrial chemicals. 2. **Low Friction:** Ensures consistent torque-tension relationship during installation. 3. **Anti-Galling:** Prevents 'freezing' of stainless steel threads. 4. **Color Coding:** Often available in Blue (Xylan 1014/1424) for easy identification.

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Primary Applications

- Offshore oil platforms and subsea equipment. - Chemical storage tank assemblies. - Water treatment facilities.

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