SEM 39673 black self-etching primer bottle provides strong adhesion for bare substrates
SEM 39673 black self-etching primer bottle provides strong adhesion for bare substrates

SEM 39673 Black Self Etching Primer – 15.5 oz | First-Step Adhesion Primer by SEM

Overview SEM 39673 Black Self Etching Primer is a first step coating designed to create a reliable...
Vendor: SEM
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SEM 39673 black self-etching primer bottle provides strong adhesion for bare substrates

SEM 39673 Black Self Etching Primer – 15.5 oz | First-Step Adhesion Primer by SEM

£42.50
SEM 39673 black self-etching primer bottle provides strong adhesion for bare substrates

SEM 39673 Black Self Etching Primer – 15.5 oz | First-Step Adhesion Primer by SEM

£42.50
Description
Description
x

Overview

SEM 39673 Black Self Etching Primer is a first step coating designed to create a reliable base for topcoats by improving adhesion on bare substrates. This primer delivers a solid, even undercoat that helps reduce visible flaws and supports color consistency across surfaces.

The product listing notes a New formulation and a convenient 15.5 oz can size, making it suitable for projects ranging from small repairs to larger refinishing tasks. The dark base helps establish a uniform foundation for subsequent coatings and can aid in achieving even coverage when lighter topcoats are applied.

Key Benefits

  • First-step coating designed to improve adhesion on bare substrates
  • New formulation referenced in the product details
  • Black base provides a solid foundation for topcoats
  • Generous 15.5 oz can size suitable for various project scales

Why it matters in real projects

Starting with a dependable base can lead to more predictable finish outcomes. The self-etching action helps the primer bond directly to untreated surfaces, supporting a smoother transition to the finish coats and helping minimize surface irregularities that can appear after painting.

This primer is positioned as a practical foundation for professionals and DIY enthusiasts alike, offering a single-step approach to prepare bare substrates before applying subsequent coatings. The emphasis on adhesion and a cohesive base supports a cleaner, more uniform top layer when used as part of a broader refinishing workflow.

Usage ideas and scenarios

Car restoration, furniture refinishing, metal fabrications, and hobby projects can benefit from a confident base layer. Users may notice smoother color application and more consistent coverage across surfaces after priming.

  • Apply as the first layer on bare substrates before applying the finish coat
  • Pair with compatible topcoats to complete the project workflow
  • Store in a cool, dry place and reseal after use to preserve performance

Note that following the manufacturer guidelines for drying and recoating times helps maximize results. This description summarizes key points and does not guarantee outcomes.

FAQ

Q: What is SEM 39673 Self Etching Primer designed for?

A: A first-step coating that delivers excellent adhesion to bare substrates, creating a solid base for subsequent coatings.

Q: What makes SEM 39673 different?

A: A New formulation noted in the product listing that supports bonding on untreated surfaces and serves as a reliable foundation for finish coats.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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