Cleaning and Washing Process
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What happens here
The gate components then enter a 'boiling sand' cleaning area. This unique cleaning process uses agitated, heated sand to thoroughly strip away any impurities, oils, or residue from the aluminum surface. After the boiling sand bath, the gate proceeds to a multi-stage wash area, which includes a chemical wash and several rinse cycles. This comprehensive cleaning ensures the aluminum is absolutely clean and etched, providing optimal adhesion for the powder coating.
Goal: Thoroughly clean and etch the aluminum surface
Tools and materials
- Aluminum Gate Components — The parts being cleaned
- Boiling Sand Machine — Stripping impurities from aluminum using agitated, heated sand
- Wash Tanks — Chemical washing and rinsing the gate components
- Chemical Wash Solution — Further cleaning and etching of the aluminum
- Heated Sand — Cleaning and etching aluminum surfaces