Teflon-Infused Hard Anodized Aluminum: Low Friction Plugs for Cleanroom Glazing
Engineering Overview: Technical analysis of PTFE-impregnated hardcoat anodized aluminum lock components for pharmaceutical cleanrooms requiring zero oil or graphite lubrication.
Technical & Engineering Specifications
| Hardness | 450 HV Anodized Surface |
|---|---|
| Application | Semiconductor Fabs, Pharmaceutical Cleanrooms |
| Cleanroom Class | ISO Class 1 / Class 100 Compliant |
| Coating Technology | MIL-A-8625 Type III Hard Anodize + PTFE Infusion |
| Friction Coefficient | 0.08 (Dry Self-Lubricating) |
Cleanroom Lubrication Prohibition
In semiconductor fabrication and pharmaceutical cleanrooms, wet oils and graphite powder are strictly banned due to particle contamination risks.
PTFE Hardcoat Anodizing (PTFE Impregnation)
- Process: 6061-T6 aluminum cores receive 50 μm Type III hard anodizing, followed by sub-micron PTFE (Teflon) particle infusion into the open anodic pores.
- Permanent Dry Lubrication: Achieves friction coefficient 0.08 against brass pins, operating smoothly for 100,000 cycles with zero added lubricant.
Frequently Asked Engineering & Selection Questions
Q1: How do cleanroom locks operate without oil or graphite?
They use PTFE-impregnated hard-anodized aluminum plugs that provide permanent dry self-lubrication with zero airborne particle shedding.