We strictly follow the ISI-3175-1974 standards for the hydraulic & pneumatic fitting washers. Copper used for manufacturing confirming to standards IS: 3487-1966. Cold rolled copper heavy toll physical properties. Tensile Strength -200-250- N/mm2 (20 to 25 Kgs + 1 MM2) Elogation-40% min. Specification of copper washers (BSP Standard) as per ISI 3175-1974
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Orlem, Mumbai, Maharashtra