Base metals typically tarnish or corrode easily, and they react with diluted hydrochloric acid to produce hydrogen gas. Though copper does not react as easily with hydrochloric acid, it is still classed as a base metal.
(servicing Western Cape & Namibia)
TEL: +27 (0)21 551 2066
CPM Building
13 Link Close
Montague Gardens
7441
(servicing Gauteng & Northern Provinces)
TEL: +27 (0)11 334 6263
Unit 32, Sunnyrock Park
3 Sunrock Close
Germiston
1401
(servicing KwaZulu-Natal, Free State & Northern Cape)
TEL:+ 27 (0)31 303 5402
Unit 9, Cypress Park
19 Cypress Drive
Glen Anil
4015
(servicing Eastern Cape & Garden Route areas)
TEL: +27 (0)41 365 1890
88 Hurd Street
Newton Park
6045