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BONDERITE® S-FN 870 ACHESON

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BONDERITE® S-FN 870 ACHESON is a protective coating that keeps copper and copper alloy surfaces bright and stainless.

Product Overview

BONDERITE® S-FN 870 ACHESON, also known as COPPERSHIELD 870, is a specialized copper protective coating composed of an anti-tarnishing agent blended with paraffinic oil. This unique formulation protects copper surfaces from staining to maintain a bright, shiny appearance. It also provides lubrication for light metalworking applications, such as stamping and slitting copper and brass materials. The product is easy to apply using a cloth or spray equipment. Once applied, the oil evaporates, leaving a resilient micromolecular protective film that ensures long-lasting surface integrity.

Applications

Light-duty copper stamping
Slitting of copper and brass
Metalworking processes with copper alloys

Features & Benefits

Copper anti-tarnishing agent in paraffinic oil
Keeps copper substrates bright and stainless
Base oil evaporates, forming a micromolecular protective film
Easy application
Good lubricity for light-duty metalworking operations

Problems Solved

Copper substrates can stain and varnish during metalworking, which can significantly affect appearance and performance. These stains can also detract from the aesthetic quality of the metal parts and impede their functionality in delicate processes. The presence of stains can compromise the conductivity of copper components, which is vital in applications requiring reliable electrical performance.

Product Specifications

Evaporation rate, 50%: 0.4 hours
Evaporation rate, 100%: 1.6 hours
Specific gravity: 0.757
Viscosity at 100°F (40°C), cSt: 1.7
Density, lb/gal: 6.3
Flash point, T.C.C., °F: 125
Appearance: Water-white, clear liquid

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