... and opaque. 3) In metallurgical industry, it can be used to make spongy titanium, alloy of titanium and ... iron and hard alloy, etc. 4) It can also be used to make nonconductor, electric welding rod and ... porcelain enamel. 5) It can also be used in synthetic fibre, plastic, rubber, printing, dying, ... 0min Tint strength, %180min 100 min.L. O. I, % 0.1max 0.2 maxPH6.5-8.0 6 ...