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The RUST-OLEUM HS9369407 is a high-solids, flat red primer designed for industrial and commercial coating systems that demand serious corrosion resistance. Part of the 9300 Series primer lineup, this product lays the foundation for topcoat systems used on structural steel, vehicles, tanks, and equipment exposed to aggressive or corrosive environments. It is sold by the gallon and is intended for professional application by industrial painters, maintenance crews, and coating contractors working in heavy-duty settings. At 11.89 pounds per unit, it is formulated for high-build primer performance where surface prep and long-term coating integrity are the priority.
This primer is suited for use in severe coastal, offshore, and chemically aggressive environments where surface protection must hold up under demanding conditions. It pairs with the RUST-OLEUM 9400 System High Gloss Polyester Urethane topcoat, making it a component in a multi-step coating process. Contractors specifying systems for structural steel or industrial equipment subject to chemical exposure will find this primer appropriate for that application. The flat red finish provides clear visual indication of primed surfaces before topcoat application.
Designed for use as a primer base coat within the RUST-OLEUM 9400 System High Gloss Polyester Urethane coating system. Base color and activator components are ordered separately as part of the two-component system.
Application should be performed by qualified coating contractors or industrial painters familiar with two-component primer-topcoat systems. Power down or de-energize any equipment being coated before surface preparation begins. Follow surface prep requirements appropriate to the substrate — bare steel typically requires abrasive blasting to specified profile before primer application. Consult the product data sheet for mixing ratios, pot life, and recoat windows before beginning application.
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