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Glyptal Red Brush On 1 qt is rated 4.4 out of 5 by 15.
Rated 5 out of 5 by from Easy to Use I am refurbishing a 2005 Jinma Tractor. The Chinese engines are painted inside with a similar product. I wanted a fuel - oil resistant product to paint some external components as well as to renew the material on the inside of the castings. It is so much fun to paint it on that my wife took over for me. It goes along way, we transferred some to a 1 cup glass jar to paint out of so we could keep the can sealed and clean. Drys fast! Very happy with it so far. If you want a super even coat you should probably spray it. Cleans up with acetone. Jim B
Date published: 2015-02-01
Rated 4 out of 5 by from Glyptal Experience If you have ever opened a motor and seen the inside of the block treated with Glyptal you would understand how great it is. The surfaces are smooth and clean This is a product, like primers, that you rarely see after they are used. However if you like fine detail and clean motor internals you cannot beat it. I use it to finish the internal components of my Maytag motor restorations as well, just simply great.
Date published: 2010-01-26
Rated 4 out of 5 by from Glyptal Glyptal has bee my choice for coating internal surfaces for years. It allows the rough interior casting surfaces to smooth out and allows lubrication to return to it's sump without "clogging" or building up as can be seen when re-building components. It applies easily and a quart goes a long way. IT IS PRICEY, if you can afford it I wolud reccommend it's useage.
Date published: 2011-02-26
Rated 4 out of 5 by from magnificent I have used this stuff for years on everything that has an oil product in it! from Race motors to rear end differentials,to Air compressor pumps and tanks.. you cannot beat this stuff if you want it sealed up for slick for oil returns,and cleaner oil too.
Date published: 2011-12-29
Rated 3 out of 5 by from Expensive but unique I used this to coat the inside of a transfer case I was rebuilding for my truck to prevent seepage of the lubricants through the case. The stuff is very expensive but a quart goes a very long way. I used less than 1/4 to do the whole case, and I could find no other product that does what Glyptal does. Make sure you have good ventilation and the use of a cartridge-type respirator doesn't hurt. The fumes from this stuff are VERY strong. It begins to dry quickly and is difficult to clean up, so good prep and disposable brushes are a good idea. Also be careful where you apply it, it sets up very hard and is difficult to remove in areas where the thickness could cause fitment or clearance issues. I can't speak to it's performance as I have not put the part back into service but it came well recommended.
Date published: 2010-02-14
Rated 4 out of 5 by from Glyptal paint is a non conductor of electricity. Edison invented it. What I usually use it for is the inside of iron blocks that run on Nitro. The Nitro doesn't have an effect on it like other paints do I used this paint on a rotory table that goes on my mill. This will keep the oil from leeking from the inside out.
Date published: 2013-09-19
Rated 5 out of 5 by from Painted the inside of cast oil I have a cast Cobra oil pan and over the years the Aluminum has become porous. I glass beaded the pan first and then painted it with Glyptal in 2 coats. I have had it on the car for 3 weeks now and it appears to keep the oil from seeping into the pours of the pan. I would recommend it to anyone who rebuilds engines, transmissions, and rear ends to use this product. It is easy to work with and cleans up fast and easy and leaves a tuff finish.
Date published: 2015-03-14
Rated 4 out of 5 by from Probably not made for this, but...... A fellow tech here has used this product to eliminate the high-frequency "singing" from the high voltage transformers in LCD display backlight circuits. He just brushes it on and lets it soak in overnight. Are you listening, Samsung? JR decided not to publish this one because this is not an approved application
Date published: 2010-09-12
  • 2015-05-25T10:18CST
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hi,  one qty=49$ so  one qty= how many liter.

Asked by: anjum123
1 quart of product
Answered by: SeanA
Date published: 2015-02-02

What is the correct ratio of thinner to product for spraying?

Asked by: steve 3496

can i use this on aluminum

Asked by: Anonymous
  • 2015-05-25T13:03CST
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Glyptal Red Brush On 1 qt

Item #46001ZP Brand: Glyptal

Seals uneven surfaces in engine
castings to improve oil circulation


Multi-Purpose Glyptal® Red Enamel seals uneven surfaces in engine castings to improve oil circulation Glyptal 1201 seals the rough interior castings of engine blocks to help prevent engine damage. Sealing the tiny pores left in metal after bead blasting leaves the engine block interior smooth and clean, and that helps keep oil clean and flowing freely.
  • Acid- and oil-resistant
  • Also resists moisture, heat dust, salt spray
  • Anti-corrosion protection

More info...

About Glyptal Red Brush On 1 qt

Recommended by many high performance engine rebuilding books, Glyptal seals the tiny pores left in metal after bead blasting and leaves the engine block interiors smooth. Helps keep the oil clean and flowing freely. Acid and oil resistant. Used on generator and alternator armatures, Glyptal has great electrical insulating properties, too!


Covers 24 Sq. Ft, Max Temp 250F, Enamel.


Always use in a well-ventilated area, and always wear eye, skin and respiratory protection.

MSDS Sheet

Click Here for Material Safety Data Sheet


Glyptal is used to seal the internal surfaces of the engine block for fastest oil return to the sump. Make sure the surface is absolutely FREE OF GREASE OR OIL! Our Metal Wash concentrate (10120) or PRE Painting Prep (10041 Z) with the Engine Brush Kit (46035) does a great job of cleaning the engine block. Be careful to avoid getting paint on machined surfaces or in oil passage ways. Can be thinned with Xylol or Xylene.

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