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C87850 Cast Eco Brass®, Silicon Brass

MasterSource offers a complete line of Copper Alloy C87850 inventory as noted below.

UNS C87850 Si bronze

NEWS: August 12th, 2010

The National Sanitation Foundation concluded their independent study of the potential for dezincification in alloy C87850, Eco Brass. As we know, many third party sources have issued warnings regarding dezincification issues with C87850 alloy due to the high zinc levels. C87850 passed the National Sanitation Foundation test with flying colors. There was no dezincification noted. In addition to this news c87850, Eco Brass, is the only copper based alloy to have received approval by the Federal EPA to be anti microbial. The issue of microbial contamination in potable water and on metal surfaces is becoming a national concern. We look forward to the continuing success of this alloy in reducing green house gases and adding to the solutions to eradicate harmful bacteria’s.

In addition to this news we are also pleased to announce that customers using C87850 in sand casting applications have been able to produce casting yields in excess of 50%. This is in stark contradiction to comments made by third parties stating that C87850 has bad yields. We continue to look forward to the application of good science for the benefit of all customers in evaluating this 21st century alloy.

Typical Uses:

Water supply devices, faucets, valves, fittings, precision parts, substitute for stainless steel, shafts, screw, bearings, electronic parts and automobile parts

Alloy Specifications

CA 87850
CDA 87850
Cast Silicon Brass
Cast Green Brass 87850
Copper Alloy UNS C87850

Copper Alloy Number 87850
Copper-Silicon Brass
Eco Brass®
Green Brass
Lead Free Brass
Continuous Cast

Sand & Static Cast

Sand Cast
Static Cast

Cast as required


Round bar, rectangle bar, plate and tubing.

Compliance: Metals distributed by and thru MasterSource Company Inc. are in compliance with Section 1502 of the Dodd-Frank Act pertaining to conflict minerals.


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