Can I use it to spray over rust without another coat? The original color is matt black, kinda like chalk paint.

Yes BUT, it will NOT convert the rust. It will only cover it up and the rust will come back. There are products on the market that convert the rust into a hard black substance that will never rust again but this is not one of them by a long shot. Any flat black paint will do the same as this product will.

Will this stop the rust from spreading to different areas?

Yes, If applied correctly it will "kill" the rust, thereby stop the spreading of rust. It will NOT stop other, surrounding, areas from rusting. Only properly treated areas will have protected, rust free metal. Top coating with a quality paint is essential.

Can I apply this product if its not rusting yet? I bought a exhaust system for my car & I wanna spray the welds to keep from rusting, will this work?

It should work better than using the product after the rust starts. It's more of a heavy primer than a rust reformer (in my experience). However, you might want to look at Rust-Oleum's high temperature spray paints. Some of them are made specifically for automotive use.

Is this also a primer? And can touchup paint be used on top of this? I had a small dent in my car and I removed the rust with coke. Do I still need this or should I get a primer instead?

I would only use as primer on rusty metal surface. I would still use this on the auto dent to get any possible remaining rust. It turns rust in to a hard protective surface, then just paint over. It goes on milky green but turns dark brown when dried.

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Rust-Oleum Stops Rust Reformer Spray, Instantly Converts Rust to a Protected Paintable Surface, No Bare Metal Sanding Required, Black, 10.25 oz

Rust-Oleum Stops Rust Reformer Spray, Instantly Converts Rust to a Protected Paintable Surface, No Bare Metal Sanding Required, Black, 10.25 oz

Product ID: 6928761

Details

Brand
Rust-Oleum
Color
Black
Finish Type
Flatt / Matte
Item Volume
10.25
Paint Type
Spray
Size
10.25 Fl Oz of

⚡Instant rust conversion

💧Water-resistant finish

🖌️Paintable surface in 24h

R768

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Description

⚡ Transform Rust Instantly, Protect Forever!

DURABLE MATTE FINISH - Flat black finish that resists water and weather for lasting protection.
TRUSTED BY THOUSANDS - 4.7-star rating from over 2,600 users proves it’s the go-to rust solution.
RUST CONVERSION IN SECONDS - No sanding needed—spray directly on rust for instant transformation.
SEAMLESS PAINT COMPATIBILITY - Top coat with any oil or solvent-based paint after just 24 hours.
VERSATILE INDOOR OUTDOOR USE - Perfect for all metal surfaces, inside or out—protect your investments everywhere.

Rust-Oleum Stops Rust Reformer Spray instantly converts rust into a stable, paintable surface without sanding. This 10.25 oz spray covers up to 12 sq ft, dries to a water-resistant matte black finish in 30 minutes, and is ready for top coating in 24 hours. Ideal for indoor and outdoor metal surfaces, it’s a trusted, highly rated solution for long-lasting rust protection.

Specifications

ASIN	B001DEL6J6
Age Range Description	Adult
Best Sellers Rank	#1,740 in Automotive ( See Top 100 in Automotive ) #26 in Automotive Paints & Primers
Brand Name	Rust-Oleum
Color	Black
Color Code	Black
Container Type	Bottle
Coverage	12 sq ft
Customer Reviews	4.7 4.7 out of 5 stars (2,671)
Dry Time In Hours	0.5
Finish Type	Flatt / Matte
Full Cure Time	24 hours
Included Components	Rust-Oleum 215215 Stops Rust Rust Reformer Rust Reformer 10.25-Ounce Spray-Color Black
Indoor Outdoor Usage	Indoor, Outdoor
Is Waterproof	True
Item Form	Spray
Item Type Name	Stops Rust Rust Reformer Spray Paint
Item Volume	10.25 nanoliters
Item Weight	1.5 pounds
Manufacturer	Rust-Oleum
Model Name	Stops Rust Rust Reformer
Model Number	215215
Paint Type	Spray
Part Number	215215
Size	10.25 Fl Oz (Pack of 1)
Special Features	Rust Resistant
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Metal
UPC	020066133801
Unit Count	10.25 Fluid Ounces
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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R768

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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