Detail description:
1: - Copper including No nudity , No coating, No alloy of pure Copper ace without oxidation, do not contain the hair silk, Copper not less than 1.6 mm. Level 2: including clean, no luster, no coating, wuxi, no alloy of pure copper r cable, do not contain the wool yarn and burnt fragile copper /p> 2: - Copper lloy of Copper scrap tain sundries, Copper content is 96% (minimum content 94%). Shall not contain too much lead is changed and tin mineralization of copper d bronze essive oil, iron and steel scrap and nonmetallic, crisp burnt edge sex copper sive fine silk. Need appropriate means to remove grime. Specification: Copper illberry) 99.78% at a purity of 99.78% min. 99.78%Max. COPPER: 99, 9% CARBON: 0.03% COBLET: <0, 001 IRON: 0, 005% SRUS: <0, 01% SULR: <0, 01% ZINC: 0, 003% Brass eter 0.1. 0.15, 0.20, 0.25, 0.30mm COMMODITY: Copper illberry) 99.78% SPECIFICATIONS: Copper illberry) 99.78%