Quality & Testing Centre
Transparent, verifiable raw-material test reports and metallurgical standards for Copper Master copper, brass, and traditional metalware.
Copper Raw Material Mill Test Report
Verified composition of pure copper circle raw material used in Copper Master bottles, dispensers, jugs, and drinking vessels.
Brass Raw Material Mill Test Report
Verified composition and mechanical assay of CuZn37 alloy brass circle lots used in dining thali sets, brassware, and pooja articles.
Our 4 Metallurgical Standards
Certified Mill Traceability
Sourced directly from ISO 9001:2015 & BIS-licensed rolling mills (Mittal Engineering Industries).
Evidence scope
The published copper scan reports Cu + Ag only. It does not establish lead content or finished-product food-contact safety.
Food-Grade Kalai (Tin)
Traditional cookware lined with 99.9% pure food-grade tin to safely handle acidic Indian recipes.
Authentic Kansa (78:22)
True bronze alloy (78% copper, 22% tin) crafted to produce the authentic bell-metal chime.
Want to Learn How We Verify Our Metals?
Read our comprehensive educational guide explaining mill test certificates, the difference between pure copper and alloyed brass, and testing terminology.
Read Metallurgical Guide →