Item # 50776ZP BRAND: US Chemical

USC High Build Primer/Surfacer Gallon

Highly durable primer/surfacer for fiberglass, aluminum, prepped steel
Highly durable primer/surfacer for fiberglass, aluminum, prepped steel
USC High Build Primer/Surfacer Gallon is rated 4.6 out of 5 by 10.
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Reg. $59.99
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Highly durable primer/surfacer for fiberglass, aluminum, prepped steel
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USC High Build Primer/Surfacer Gallon

Description

USC High-Build Primer/Surfacer is as tough and durable as they come

Premium high-build polyester formulation is a highly durable primer/surfacer you can use on fiberglass, aluminum and properly prepared steel.

  • Excellent adhesion
  • Very high fill
  • Superior solvent resistance
  • Fast dry to sand
  • Sprayable

Premium high build formulation is a polyester primer-surfacer which can be used on fiberglass, aluminum and properly prepared steel. Eliminator HB has excellent adhesion, very high fill and superior solvent resistance when properly cured. On fiberglass it replaces damaged gel coat. This tough and durable coating resists stone chipping and abrasion and will fill 36 grit grinder marks in 2 to 3 coats. Cured primer in non-shrinking and compatible all automotive topcoats and meets all VOC regulations. 1 gallon includes 4oz liquid hardener.

Contents

1-gallon can, with 4-oz. liquid hardener

Customer Reviews

Rated 5 out of 5 by from High build Work very well applied three or four coats. I made a perfect surface for block sanding out minor imperfections to prep for paint
Date published: 2021-07-28
Rated 5 out of 5 by from Good stuff. Amatuer here. I have tried a few different types of high build primer. This stuff is as good or better than the high priced brands. It is now my go to HB Primer.
Date published: 2020-05-27
Rated 5 out of 5 by from Great product you must use acetone to clean gun. You can get a reall good gun off amazon for about $50 "TCP Global Brand Professional New 2.5mm Hvlp Spray Gun". It will lay this stuff on perfect! I cant say enough good things about this primer!
Date published: 2020-03-14
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Questions & Answers

Can this be sprayed on top of rattle can primer?

Asked by: Aaron
We can not guarantee compatibility with anything we do not sell. You would have to test a small area first.
Answered by: Kelly H
Date published: 2021-07-16

I mixed up 16 oz., used a drill to mix well, new gun with 2.0 tip. Material sprayed fine but went on thick & speckled with tiny gobs (like sand) all over the panel, why? It sanded out fine. Can this be reduced to spray lighter as a final primer coat?

Asked by: rick
This product is not recommended to be reduced. However, this product will have a slight texture to it due to the high build finish of these primers.
Answered by: SeanW
Date published: 2021-06-08

What is the best method to measure out the catalyst in 1/2 or 1 ounce portions?

Asked by: Emargerum
I looked up on the internet figures as to how many drops are in an ounce, etc. As it works out, about 9 drops of catalyst to the ounce of material (closer to 9.25 actually, just get as close as you can). I've been using this method for mixing up 4, 5, 10 ounce portions etc, at a time and it's been working great.
Answered by: rick
Date published: 2021-05-28

The description says this can be used on bare aluminum! Yet at least 2 people have specifically asked about that here, both answers were to always use epoxy primer on aluminum first. So, which is it, can you or can't you? Maybe some factual consistency?

Asked by: rick
USC High Build Primer/Surfacer(50776ZP) is a high quality Direct to Metal(DTM) Primer Surfacer that has excellent adhesion properties and will work very well on bare Aluminum when the surface is prepared and cleaned properly. Go to www.eastwood.com and type in 50776ZP on the search bar. There you will see the product and its description.
Answered by: vince
Date published: 2021-02-24

Can i use under an acrylic urethane sealer and paint and do I need to thin it with something ?

Asked by: GPCAT64
Our paint is acrylic urethane based and is perfectly fine underneath. We can not guarantee compatibility between this and brands we do not offer in general though.
Answered by: Kelly H
Date published: 2021-02-06

So technically, I can grind a panel to bare metal, bondo imperfections, 120# the whole panel (or vehicle), apply this, dry sand with 400# and go right to base/clear? ("Technically"! Not saying I wouldn't use a sealer.)

Asked by: rick
Technically Yes!! This is a Direct to metal(DTM) product so it can be applied to bare metal and will fill 36 grit grinder marks in 2-3 coats. Then 400# sand and paint.
Answered by: vince
Date published: 2021-01-15

Besides the prices, what exactly is the difference between this and Contour? Featherfill?

Asked by: rick
All three Polyester Primer Surfacers you mention perform exceptionally well. They all have similar properties and are great at filling (high build), fast drying to sand times and are easy sanding. Other than cost, personal preference and past experience is usually the deciding factor.
Answered by: vince
Date published: 2021-07-04

Can it be reduced with acetone?

Asked by: Soja
The manufacturer does not recommend reducing. It can negatively affect it's properties.
Answered by: John S
Date published: 2021-07-27
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USC High Build Primer/Surfacer Gallon
Retrieving Price...
Reg. $59.99
$59.99
In Stock