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Eastwood Urethane Activator 8 oz is rated 4.1 out of 5 by 8.
Rated 5 out of 5 by from Great Urethane Activator I purchased the Chrysler "RB" turquoise engine paint and activator for a new motor I am putting together for my son's '72 Charger. The paint and activator worked perfectly, with excellent coverage. Once the paint was cured it was hard as nails, and cleans up perfectly after engine lube spills, etc. Most engine paint I have used in the past did not use a hardener and was subject to loss of gloss and binding power when fuels or oil spilled on it. This stuff is HARD! Additionally, the activator caused the paint to cure even in a cool shop (applied around 60 degrees). I recommend the use of the activator with the Eastwood engine paints.
Date published: 2010-12-19
Rated 5 out of 5 by from good stuff nice aluminum engine paint not a dead ringer for aluminum but fairly close without the tacky shiny gloss you get from spray cans hardens like a rock but dries slow cant really work with painted parts for a day or so I would recommend this to anyone needing a durable aluminum finish on parts. well worth the money much cheaper than dupont! Also mixes and sprays very nice I used accuspray gun with 1.7 tip and was pleased with the results
Date published: 2011-12-04
Rated 3 out of 5 by from Takes to long for paint to cure. Not saying this is a bad product, but I think it needs a different kind of hardner. We mixed at a 4 to 1 ratio and it has been two days and the paint is not dry yet. I have worked with automotive paint for 30 plus years and I have always noticed that when you use a cheap hardner, one of poor quality the paint takes 3 times as long to dry.
Date published: 2011-09-22
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Can Eastwood activators and reducers be used with PPG DCC urethane coatings?  I have a pint can of the coating and the PPC activators/reducers come in very large and expensive quantities.  Please advise.

Asked by: gklk911
No, you should never mix and match activators between paint systems, even within the same brand. Each paint material specifies which activator to use, and you will need to stick to that requirement. While all modern paint systems are very similar, even sometimes using the same chemicals within them, each one is proprietary to the paint material it was designed for.
Answered by: MikeL
Date published: 2016-10-20
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Eastwood Urethane Activator 8 oz

Item #21854Z Brand: Eastwood

Hardens and cures single-stage urethane paints, and ceramic paints

In stock

Only $14.99


Urethane Paint Activator works with Eastwood's 2K Ceramic Chassis Black Use this Urethane Paint Activator with 50429ZP 2K Ceramic Chassis Black Gloss (Qt.) or 50430ZP 2K Ceramic Chassis Black Satin (Qt.) . Works to harden and cure the following coatings:
  • 3:1 Single-Stage Urethane Paints
  • 4:1 Ceramic Engine Paints
  • 4:1 Ceramic Chassis Black
  • 4:1 Ceramic Underhood Black
  • 4:1 Ceramic Wheel Paints
  • California residents, see our Low-VOC formulas (see "Accessories")

More info...

About Eastwood Urethane Activator 8 oz

This activator is for use with the Eastwood Ceramic Gloss (50429ZP) or Satin (50430ZP) Chassis Black. One 8 oz container of 21854Z Activator is enough to catalyze one quart of Eastwood Ceramic Chassis Black.


One 8 oz can of activator.


For California residents:
50308ZP 4:1 Activator, Low-VOC Urethane Fast (Qt.)
50309ZP 4:1 Activator, Low-VOC Urethane Medium (Qt.)
50310ZP 4:1 Activator, Low-VOC Urethane Slow (Qt.)

MSDS Sheet

Click Here for Material Safety Data Sheet


Please see label or Application screen for 50429ZP or 50430ZP for

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