Any particular brush better than another when using this? Thanks.

Any good quality brush for oil based stain and paint should be fine. I personally used an HVLP sprayer for mine and got outstanding results.

What is the drying time for an outdoor project?

Depends upon temperature and humidity. In Tucson during the summer 4-6 hours. You might even add some paint thinner to slow it down. In the Sierras ~60° best to let it dry 24-48 hours before fiddling with the finish.

what is the difference between this primer and rustoleum's rust reformer?

Rust reformer converts the rust to a more stable metal compound. The primer just covers the rust and makes it suitable for a finish coat. I like the reformer.

Has anyone used this on cars? Can I paint over it?

I use it on my rusty cars. You probably should use the same brand and type primer as your paint though.

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Rust-Oleum 7769502 Stops Rust Rusty Metal Primer Brush Paint, 1 Quart, Flat Brown

Rust-Oleum 7769502 Stops Rust Rusty Metal Primer Brush Paint, 1 Quart, Flat Brown

Product ID: 12508920

Details

Brand
Rust-Oleum
Color
Flat Rusty
Finish Type
Matte
Item Volume
32 Fluid
Paint Type
Enamel Oil
Size
32 Fl Oz (Pack

📏Covers 65-110 sq. ft. per quart

⏱️Dries to touch in 2-4 hours

🛡️Durable rust-preventative coating

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¥6808

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Details

Brand
Rust-Oleum
Color
Flat Rusty
Finish Type
Matte

Description

🛠️ Stop rust in its tracks—prime like a pro, protect like a boss!

FAST DRY EFFICIENCY - Touch dry in as little as 2 hours—get your projects moving without the wait.
BROAD COVERAGE POWER - One quart covers up to 110 sq. ft., maximizing your prep with fewer cans.
ULTIMATE RUST DEFENSE - Oil-based formula locks out moisture and corrosive air for unbeatable rust protection.
INDOOR OUTDOOR READY - Versatile primer designed to withstand heavy-use environments inside and out.
PERFECT BASE FOR TOPCOATS - Creates an ideal surface that ensures superior adhesion for any finish paint.

Rust-Oleum 7769502 Stops Rust Rusty Metal Primer is a premium oil-based enamel primer designed specifically for heavily rusted metal surfaces. It forms a durable, water-resistant protective coating that bonds tightly to rust, driving out moisture and corrosive air to prevent further corrosion. Dries to the touch within 2-4 hours and covers up to 110 sq. ft. per quart, providing an excellent base for topcoats in demanding indoor and outdoor environments.

Specifications

ASIN	B000SA8OGY
Age Range Description	Adult
Best Sellers Rank	#4,367 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Primer Paint
Brand	Rust-Oleum
Brand Name	Rust-Oleum
Color	Flat Rusty Metal Primer
Color Code	000000
Container Type	Can
Coverage	12 sq. ft.
Customer Reviews	4.7 out of 5 stars 787 Reviews
Dry Time In Hours	1
Finish Type	Matte
Full Cure Time	4 Hours
Included Components	Rust-Oleum 7769502 Protective Enamel Paint Stops Rust, 32-Ounce, Flat Rusty Metal Primer
Indoor Outdoor Usage	Indoor, Outdoor
Is Waterproof	True
Item Form	Liquid
Item Type Name	Rust-Oleum 7769502 Protective Enamel Paint Stops Rust, 32-Ounce, Flat Rusty Metal Primer
Item Volume	32 Fluid Ounces
Item Weight	2.7 Pounds
Manufacturer	PAIOA
Model Name	Stops Rust
Model Number	7769502
Paint Type	Enamel,Oil
Part Number	7769502
Size	32 Ounce (Pack of 1)
Special Feature	rust-preventative
Special Features	rust-preventative
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Metal
UPC	020066776954
Unit Count	946 Mililitro
Warranty Description	SATISFACTION GUARANTEED
Water Resistance Level	Water Resistant

Reviews

J**N

8.03.2026

W**R

16.12.2025

S**W

12.11.2025

K**G

26.10.2024

I**S

26.04.2026

R**L

11.07.2024

M**K

28.04.2026

N**Y

2.01.2026

A**N

25.01.2026

S**T

23.07.2023

J**S

24.01.2025

H**2

11.06.2023

W**E

21.07.2023

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¥6808

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Sold byAmazon JapanDelivered 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 Japan.

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