Is this appropriate to use on an automotive chassis? Does it need acid metal prep, primer or top coat?

Yes. I used it on my chassis and under side of body. I used 2 coats rust bullet first, then top coated with the rust bullet black shell. Best if sprayed, but I actually brushed it on and it turned out suprisingly nice, just need to work slow to prevent air bubbles. I used it on my jeep rebuild so it was more function over fashion, but if it were a hotrod I would have sprayed it. Still get tons of complements on it though. Can send some pics if you want to get a look at it. Shoot me an email at tahoereeves@gmail.com

Does this product come in a flat or matte finish?

No,All of our Coatings have a glossy Finish.

Can this be used on painted surface

Hi T, Yes,BlackShell is a super tough, gloss black protective coating and top coat which can be applied over painted or unpainted surfaces and can be used as a stand-alone protective coating that will protect your assets. For the ultimate protection, simply apply BlackShell as a topcoat over the patented Standard or Automotive Formulas to create the strongest armor tough, chip resistant protection against rust and corrosion ever formulated.

What is the difference between blackshell and rust bullet automotive? are they meant to be used together?

Hello, BlackShell is a super tough gloss black protective coating and top coat. It can be applied over painted or unpainted surfaces and can be used as a stand-alone protective coating that will protect your assets. For the ultimate protection, we recommend to apply BlackShell as a topcoat over the patented Rust Bullet Automotive Formula to create the strongest armor tough, chip resistant protection against rust and corrosion ever formulated. You can use Rust Bullet Automotive Formula as a stand-alone coating if you are OK with the finish of metallic gray, Rust Bullet Automotive is UV resistance and does not need a top coat unless you desire a different finish.

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Description

🛡️ Lock in legendary metal protection with a gloss that commands attention

ULTIMATE RUST ARMOR - Creates an unbreakable, chip-resistant barrier that outlasts the competition
TIMELESS GLOSS BLACK - Adds a sleek, lustrous finish that elevates any metal surface
STANDALONE OR TOPCOAT - Use solo or layer over other formulas for next-level rust defense
VERSATILE APPLICATION - Brush, roller, or sprayer—apply your way with ease and precision
UV SHIELDED PROTECTION - Keeps your metal flawless by resisting sun damage and fading

RUST BULLET BlackShell is a 4 oz gloss black corrosion preventive coating designed for long-lasting metal protection. It offers a super tough, chip-resistant finish that can be applied over painted or unpainted surfaces using brush, roller, or sprayer. UV resistant and durable, it works as a standalone coating or as a topcoat over other Rust Bullet formulas to maximize rust and corrosion defense.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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