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EPS is a trademark of The Material Works, Ltd.

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EPS is Eco Pickled Surface, a new, environmentally-friendly technology that replaces acid pickling. EPS processing removes mill scale, rust and surface imperfections from ordinary hot rolled black strip, without use of acids or caustic chemicals. The uniform, lustrous finish of EPS-processed steel is ideal for downstream processes like cold reducing, galvanizing and pre-painting, or virtually any fabricating process. EPS-processed steel is 'rust-inhibitive', meaning it won't rust so long as it doesn't come in direct contact with moisture - no need for a protective oil film or other protective coating or packaging. EPS truly is Smart Green Steel Technology.
EPS, the patented replacement for acid pickling, is friendly to the environment and produces a clean, rust-resistant surface with benefits for flat rolled users:

  • No more oil on your steel
  • Great salt spray test results
  • Mitigates minor surface flaws
  • Clean, uniform surface
  • Custom surface roughness
  • Tension leveled shape
EPS-processed strip steel is superior to hot rolled black, HRPO and pickled dry.

a clean, rust-resistant EPS coil
Cost Savings for Manufacturers

EPS creates savings for manufacturers

A steel surface this clean and free of oil, dirt and rust is easier to weld, paint, laser/plasma cut, rollform and stamp/draw. EPS- processed steel not only exceeds auto industry/OEM performance standards in independent lab testing, but customers use EPS in daily EPS processing because of its superior performance over HRPO.

Get details on paint performance testing of EPS: EPS Paint Tests
A Superior Steel for Processors

Such value-added processes as galvanizing, coil coating and cold rolling can become 'leaner' and more consistent when applied to the clean, uniform EPS surface.

Certain preparatory steps, like an acid bath to strip HRPO's oil before batch galvanizing, simply aren't needed with oil-free EPS. Its tension-leveled shape and inherent rust resistance means rejects and mill claims become a refreshingly rare occurrence.

EPS solves problems for steel processors
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