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 Automotive Sandable Primer Spray, Flat Black

Rust-Oleum Automotive Sandable Primer Spray, Flat Black

Product ID: 3981488

Details

Brand
Rust-Oleum
Color
Black
Finish Type
Matte
Item Volume
12 fluid
Paint Type
Spray
Size
12 Ounce (Pack

🎯Covers up to 15 sq ft

⏱️Dries to touch in 10 mins

🛠️Rust-resistant base coat

R645

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Description

🖤 Prime like a pro, finish like a boss.

FAST TRACK DRYING - Touch dry and ready for recoating in just 10 minutes—no downtime.
PRECISION SANDING - Wet and dry sandable primer ensures ultra-smooth surfaces every time.
ULTIMATE RUST DEFENSE - Stops Rust formula locks out corrosion for a flawless finish.
ERGONOMIC SPRAY COMFORT - Comfort tip and any-angle spray reduce fatigue and reach tricky spots effortlessly.
VERSATILE SURFACE MASTERY - Perfect adhesion on wood, metal, and fiberglass—your all-in-one solution.

Rust-Oleum Automotive Sandable Primer Spray in Flat Black delivers a durable, rust-resistant base coat that dries quickly and sands smoothly. Designed for wood, metal, and fiberglass, it covers up to 15 sq ft per can and ensures superior topcoat adhesion with a matte finish. Ideal for professionals and DIYers seeking a flawless, long-lasting automotive or surface prep solution.

Specifications

ASIN	B003CT4AMU
Age Range Description	Adult
Best Sellers Rank	#1,402 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Spray Paint
Brand Name	Rust-Oleum
Color	Black
Color Code	000000
Container Type	Bottle
Coverage	see package
Customer Reviews	4.5 4.5 out of 5 stars (2,952)
Dry Time In Hours	2
Finish Type	Matte
Global Trade Identification Number	00020066188801
Indoor Outdoor Usage	Outdoor
Is Waterproof	False
Item Form	Aerosol
Item Type Name	Sandable Primer Spray Paint
Item Volume	12 fluid ounces
Item Weight	12 ounces
Manufacturer	Rust-Oleum
Model Name	Automotive
Model Number	249418
Paint Type	Spray
Part Number	249418
Size	12 Ounce (Pack of 1)
Special Features	Rust Resistant
Specific Uses For Product	Interior/Exterior
Surface Recommendation	Fiberglass,Metal,Wood
UPC	020066188801
Unit Count	12 Ounce
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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How is product pricing calculated?+

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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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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R645

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

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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