ZINC PHOSPHATE
A STRONG BASE FOR PAINTED FINISHES
When painted steel parts need long-term durability, zinc phosphate delivers. This conversion coating creates a reliable base layer that helps paint adhere properly and hold up over time, especially in tough industrial and military applications.
Lewis Engineering applies zinc phosphate in-house to TT-C-490 specifications, supporting projects where consistency is non-negotiable.
Our metal painting capabilities are ideal for:
- Steel components that require paint or powder coating
- Parts used in demanding or corrosive environments
- Defense and industrial projects that need to meet strict compliance
It’s not a decorative finish. It’s a critical step that helps painted parts perform under pressure.
BUILT FOR ADHESION, TESTED FOR TOUGHNESS.
By keeping zinc phosphate in-house, we help customers avoid costly delays and inconsistent results. Our team ensures every part is properly coated and ready for downstream processes like painting and assembly.
WHY LEWIS FOR ZINC PHOSPHATE COATING?
- Applied in-house to TT-C-490 spec
- Supports large-volume workflows with short turnaround
- Prepares steel parts for long-lasting paint adhesion
- Ideal for military and industrial coating systems
We understand how each process connects to the next, so your parts move smoothly from one stage to another without rework or delays.



