Salt Spray Testing in Your Purchase Order: NSS vs AASS vs CASS, Hours, Sampling, Retest & Arbitration (Bathroom Hardware)

Procurement-grade guide to write enforceable salt spray requirements into a PO for bathroom hardware: select NSS/AASS/CASS, define hours as a QC threshold, set measurable pass/fail criteria (rust, blistering, creepage, adhesion), link to AQL sampling, and prevent disputes with retest and third-party arbitration rules—plus pretreatment, DFT/Faraday controls, and packaging engineering to pass consistently.

MANUFACTURING GUIDE

Koitor

12/27/20251 min read