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Painting, Coating & Hot Dipping of Metals (3479-CT)
Painting, Coating & Hot Dipping of Metals
Painting, Coating & Hot Dipping of Metals - There are four commonly used methods of applying metal coating to steel surfaces. These are hot-dip galvanizing, thermal spraying, electroplating and sherardizing. The latter two processes are not used for structural steelwork but are used for fittings, ...
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Houston Branch Relocated September 2018

FM 4910 Approved Plastic Materials

FM 4910 Approved Plastic Materials
FM4910 Approved Materials:
FM4910 is the fire retardant property standard established by Factory Mutual System, a worldwide industrial insurance organization, for materials used in clean room applications. Test criteria for the selection of materials for clean rooms are presented. The criteria deal with limiting fire propagation and limiting contamination of the clean room environment by smoke. Contamination from a fire, no matter how small, could potentially put a chip maker out of business for weeks, if not permanently. In the past, cleanrooms and wet benches needed to be protected by sprinklers or more expensive special fire-protection systems. But, by the time a cleanroom fire propagated and triggered a sprinkler or special fire protection system, damage could already have occurred in the rest of the cleanroom. Driven by rising insurance costs and potential lost earnings, chip makers are requiring suppliers to use materials in wet-bench fabrication that are less flammable and therefore don't need additional—and costly—fire protection systems installed, so they will be inherently safe when they arrive in the cleanroom.
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