Hopper car anti-bridging method and coating

Details Hopper car anti-bridging method and coating Hopper car anti-bridging method and coating

C - Chemistry, Metallurgy

09

D

C09D 1/00 (2006.01) C09D 7/12 (2006.01) C09D 167/00 (2006.01) C09D 167/08 (2006.01)

Patent

CA 2288519

A method of treating hopper cars to prevent bridging or sticking of bulk commodities during unloading by applying a coating of a mixture comprising pigments including graphite, solvents, resins, a drier/cross- linking/hardening system, and a Theological system. The resin is selected from the group consisting of alkyds, acrylics, polyesters, hydrocarbon resins, rosin-based resins, polyamides, urethanes, and epoxies. The solvent comprises aliphatic and aromatic hydrocarbons. Ranges in weight-percent for each of the components is set forth, as well as a specific formulation.

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