Tender for Supply Of Chromic Acid To Specn. Is: 330 , Aluminium Oxide. Vargin Grade, (non Magnetic) Is Grit No80, Particle Size Range Mm 0.355-0.180 Equival , Cut Wire Shot S- 170 With Test Certificate. Uniform Hardness: 400-500 Hv, Density: 7.20g/cc (max. ) , Mic in North 24 Paragana - West Bengal

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