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Boron Nitride Coatings

GE Advanced Materials’ Boron Nitride coatings provide the benefits of BN–excellent lubricity, non-wetting, and high temperature stability–in an easy-to-apply medium for a wide range of applications.
Release Agents, Lubricants, and Protective Coatings
Boron nitride remains lubricious and inert even at extremely high temperatures. Coatings made with BN prevent sticking to increase the life of dies/molds, improve product surface finishes, and reduce production times.
Metal Processing
In molten metal processing and metal forming applications, BN coatings protect surfaces which come into contact with hot and molten metals. BN inhibits corrosion and chemical attack and provides easier release and longer mold/die life. Applications include casting, stamping, forging, extrusion, and powder metallurgy.
Glass Making
Boron nitride’s high temperature lubricating properties make it ideal in glass making, where it helps to minimize surface defects, improves mold/die life and release, and reduces clean-up time. Most glass formulations will not stick to BN.
Plastic/Rubber
Producers of injection-molded plastics and elastomers benefit from BN in die and molding applications. Boron nitride improves die release and increases production speeds.
Sintering
Sintering of metallic and ceramic powders is typically done on graphite plates. A coating of BN can essentially eliminate carbon contamination, reactivity, and sticking all of which can occur at sintering temperatures.
Welding and Brazing
Boron nitride coatings are ideal for welding and furnace brazing. They protect surfaces from weld spatter and provide superior stop-off protection. BN coatings also protect MIG/MAG welding nozzles from weld spatter.