I purchased this without realizing that this was automotive primer, or even what that was. Has anyone used this on plastic or acrylic?

Yes my husband used it as a primer for his warhammer 40k plastic pieces. On acrylic I am not sure. I know he removed the previous acrylic work and some acrylic still remained but the primer went nicely over it, but if it is a lot of acrylic then I am not sure how great of coverage will be achieved.

is this a self etching primer?

I used this on the front of my horse trailer. It had been pitted by use on gravel roads and this worked wonders. I sprayed it last fall and it still looks great this spring.

Is the "red" really red? The cap in the pic looks brown.

yeah, it's more like brown... same color of the cap of the spray can.

Ive never used primer. Is it imperative that it not touch the paint/clearcoat of say, a car, around it?

It's basically paint so treat it accordingly. This primer has a VERY rough, almost gritty, finish. If you want a smooth finish you will have to do a TON of sanding!

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Rust-Oleum 249418 Automotive 12-Ounce Sandable Primer Spray Paint, Black

Product ID: 279503396

Details

Brand
Rust-Oleum
Colour
Black
Finish type
Matte
Item volume
12 Fluid
Size
12

🎯Covers up to 15 sq ft per can

⚙️Wet & dry sandable for smooth finish

🛡️Rust-resistant base coat

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MX$1028

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Description

🖤 Sand, Spray, Slay: The Black Primer Pros Trust

FAST RECOAT TIME - Dries to touch and ready for recoating in just 10 minutes—keep your workflow moving.
PRECISION COVERAGE - Sprays evenly to cover up to 15 sq ft, saving time and reducing waste on every project.
FLAWLESS FINISH READY - Wet and dry sandable primer ensures a silky smooth surface that’s perfect for top coats.
MATTE BLACK ADVANTAGE - Deep black finish highlights imperfections instantly, so you never miss a detail during prep.
ULTIMATE RUST DEFENSE - Oil-based formula stops rust before it starts, protecting your vehicle’s frame and parts.

Rust-Oleum 249418 is a 12-ounce, oil-based sandable primer spray designed for automotive and multi-surface use. It provides a rust-resistant, matte black base coat that covers up to 15 sq ft, dries quickly, and sands smoothly for superior topcoat adhesion. Ideal for professionals and makers seeking flawless finishes with fast turnaround.

Specifications

ASIN	B003CT4AMU
Age Range Description	Adult
Best Sellers Rank	#98,156 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #465 in Spray Paint
Brand	Rust-Oleum
Brand Name	Rust-Oleum
Color	Black
Color Code	249418
Colour	Black
Container Type	Aerosol can
Coverage	Protection against various elements and conditions
Customer Reviews	4.6 out of 5 stars 1,845 Reviews
Dry Time In Hours	2
Finish Type	Matte
Finish type	Matte
Full Cure Time	2 Hours
Global Trade Identification Number	00020066188801
Included Components	Spray
Indoor Outdoor Usage	Outdoor
Is Waterproof	False
Item Form	Spray
Item Volume	12 Fluid Ounces
Item Weight	340 g
Item volume	12 Fluid Ounces
Manufacturer	Rust-Oleum
Model Name	Rust-Oleum 249418 Automotive 12-Ounce Sandable Primer Spray Paint, Black
Model Number	249418
Paint Type	Oil
Part Number	249418
Size	12 fluid_ounces
Special Features	Rust Resistant
Special features	Rust Resistant
Specific Uses For Product	Automotive
Surface Recommendation	Metal
UPC	020066188801
Unit Count	12 Ounce
Water Resistance Level	Water Resistant

Reviews

K**M

Great product

21.10.2023

A**O

Great Value for the price! Makes finish sanding EASY!!

16.06.2025

J**R

Excellent product

28.09.2016

N**W

Good, but might not be necessary

3.05.2025

S**.

Love Rust-Oleum

27.04.2026

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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MX$1028

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In stock

Sold byAmazon MexicoDelivered 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 Mexico.

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TrustScore 4.5 | 7,300+ reviews

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