Shanghai Autra Precision Surface Treatment Co., Ltd.

Coating post-treatment & special auxiliaries

Auxiliary products for post-plating protection, polishing, impurity control and process support.

Copper contacts and silver-white parts for surface polishing and protection (AI process illustration)
AI-generated process illustration to explain this treatment direction; not the company's site, customer samples or test results.

Process directions

Our data includes protection for gold, silver, copper and tin surfaces, as well as metal surface polishing and bath impurity control auxiliaries. Protective agents should match the coating type, subsequent assembly and contact requirements.

Post-plating treatment & specialty auxiliaries · selection by category
Direction Use Key points to confirm
Coating protection For anti-tarnish, anti-corrosion or appearance maintenance of specific metal surfaces. Confirm whether it affects contact resistance, soldering or coating.
Metal surface polishing Our data includes chemical polishing for stainless steel, steel, copper and aluminum alloys. Confirm the treatment method by substrate and surface condition.
Specialty auxiliaries Includes bath impurity control, wetting and post-process dewatering. Evaluate with the existing bath and line management methods.

Please specify when submitting requirements

Please provide the current coating, failure phenomenon, subsequent processing and acceptance method. The effect and scope of a protective agent cannot be inferred across materials.

The above is organized by application from the provided product catalog and data and serves as a selection starting point. Specific formulations, applicable substrates, process windows and inspection requirements should be confirmed with the corresponding technical data and sample verification.