SEM39683 Grey Self Etching Primer - 15.5 oz.
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SEM39683 Grey Self Etching Primer - 15.5 oz.

4.6/5
Product ID: 11775581
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Details

  • Brand
    SEM
  • Color
    Grey
  • Finish Type
    Matte
  • Size
    15.5 Ounce of
  • Unit Count
    15.5 Ounce
  • Paint Type
    Etching Primer
đź’§Water-resistant matte finish for durable protection
⚙️15.5 oz aerosol can for precise application
🛠️Self-etching primer bonds directly to steel & aluminum

Description

🛠️ Prime like a pro — bond, protect, and perfect every metal surface!

  • MADE IN THE USA - Proudly manufactured domestically, guaranteeing quality and reliability you can trust.
  • MATTE GREY FINISH - Professional-grade matte grey finish provides an ideal base for automotive and industrial coatings.
  • SUPERIOR METAL ADHESION - Self-etching formula chemically bonds to steel and aluminum for long-lasting durability.
  • PRECISION AEROSOL DELIVERY - Compact 15.5 oz can ensures controlled, mess-free application every time.
  • WATER RESISTANT PROTECTION - Engineered to resist moisture, extending the lifespan of your metal restoration projects.

The SEM 39683 Grey Self Etching Primer is a 15.5 oz aerosol designed for automotive repair, metal restoration, and industrial coatings. Its self-etching formula ensures superior adhesion to steel and aluminum surfaces, delivering a durable, water-resistant matte grey finish. Made in the USA, this primer offers excellent coverage and professional-grade performance for lasting protection.

Specifications

BrandSEM
ColorGrey
Finish TypeMatte
Size15.5 Ounce (Pack of 1)
Unit Count15.5 Ounce
Paint TypeEtching Primer
Specific Uses For Productautomotive repair and refinishing, metal restoration projects, industrial coating applications
Surface RecommendationSteel, Aluminum
Item FormAerosol
Age Range (Description)Adult
Is WaterproofFalse
Model Name39683
Package InformationCan
Color Code#808080
CoverageExcellent
Water Resistance LevelWater Resistant
UPC646786396830
Global Trade Identification Number00646786396830
ManufacturerSEM
Item Weight1 pounds
Product Dimensions2.75 x 2.75 x 9.25 inches
Item model number39683
Is Discontinued By ManufacturerNo
ExteriorAluminum
Manufacturer Part Number39683

Have a Question? See What Others Asked

Why does SEM not recommend applying color directly to this primer?
What type of paint can be applied on top of the primer? any paint? sprays? water based? oil based? are there any restrictions?
I have stripped aluminum bare. self etching primer, then primer, then top coat? are all these these paints made by sem?
Is this the same as zinc chromate primer?

Reviews

4.6

All from verified purchases

J**I

Great Primer for Metal Surfaces!

I used the SEM 39683 Grey Self Etching Primer on a few metal parts that I was prepping for paint, and it worked fantastic. The spray goes on smooth and creates a great bonding surface for the top coat. I noticed an immediate improvement in how well the paint adhered, and the finish looks much more durable.The self-etching formula is a great feature, especially if you’re working with bare metal, as it helps prevent rust and provides a solid base for painting. The 15.5 oz can covered a good amount of surface area, and I didn’t need to apply multiple coats. It dries relatively quickly, which is always a plus when you’re trying to move on to the next step.

C**N

reliable, and high-quality results every time!

This primer is fantastic! It adheres perfectly to bare metal, providing a smooth, durable base for paint. The self-etching formula ensures excellent corrosion resistance and strong bonding. Easy to apply and dries quickly. The 15.5 oz can offers great coverage. Highly recommend for professional or DIY auto projects—consistent, reliable, and high-quality results every time!

T**R

Excellent Adhesion and Smooth Finish!

I recently used the SEM 39683 Grey Self Etching Primer on my car restoration project, and I am extremely impressed! The application was smooth, and the primer provided excellent adhesion to both metal and previously painted surfaces. It’s easy to apply, dries quickly, and creates a perfect base for painting. The grey color is also a great match for automotive applications, offering an even finish that enhances the topcoat.What I love most is how well it prevents rust and corrosion, ensuring a durable finish. It’s a high-quality product that makes a huge difference in the overall outcome of my project. Highly recommend for anyone looking for a reliable and easy-to-use primer!

L**S

Love it

It applied smoothly and adhered well, creating an even base for painting. The coverage was great, and it dried quickly. I’m very satisfied with the results and would definitely recommend it for a professional finish.

T**A

Superb Self-Etching Primer!

This primer delivers flawless adhesion, quick drying, and smooth coverage. Perfect for metal surfaces—durable, easy to apply, and ensures a professional finish. Highly recommend!

P**S

Perfect Adhesion Every Time!

SEM 39683 Grey Primer delivers flawless prep! Easy application, quick drying, and superb adhesion. Ideal for metal surfaces—no sanding needed. Worth every penny. 5 stars!

P**L

Great for Metal Surface Prep

I used SEM 39683 Self Etching Primer on my car parts, and it worked perfectly. It bonds well to metal, creating a solid surface for painting. The coverage is excellent, and the primer dries quickly. It's an essential product for anyone doing automotive work. Highly recommend!

R**N

Superior Adhesion and Quality for Auto Projects

The SEM 39683 Grey Self Etching Primer is a must-have for anyone working on automotive projects, providing fantastic adhesion, quick drying, and corrosion resistance. Whether you’re restoring a vehicle or just doing a touch-up, this primer ensures that your paint adheres well and lasts long. Its easy application, fast drying time, and durability make it a top choice for DIYers and professionals alike. Highly recommended for anyone looking for a high-quality, reliable primer for their metal surfaces.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Sem39683 Grey Self Etching Primer 15 5 Oz | Desertcart GB