Can body filler be applied over this like epoxy primer?

Not quite. The epoxy has a natural chemical bond with the body filler and it an be scuffed at 80 grit as well. For this, 2k glazing putty is a better option and can typically be spread over 180 grit scratches on this primer.

can you top coat with lacquer

I have never used lacquer on top of this primer. I wanted to try it but haven't yet ,My thought is that if you start out with light coats of your color (topcoat),with plenty of dry time between coats you should be ok.

will this stop reaction cracks from different paints.Use regular primer and getting cracks and weird seperation

nothing stops cracking paint., only maybe water base primer. best is stripping old paint and putting on u pol primer.

U Pol 1 Gallon 4 2 Voc High Solids High

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎨 Elevate your prep game with the ultimate high-build primer kit!

HIGH SOLIDS LOW VOC - Complies with 4.2 VOC standards for a cleaner, eco-conscious finish without sacrificing performance.
FLEXIBLE CURING OPTIONS - Air dry, low bake, or infrared cure—adapt your process to any project timeline or environment.
TINTABLE FOR CUSTOMIZATION - Add up to 10% acrylic urethane base for tailored color matching and professional-grade finishes.
3 IN 1 MULTI FUNCTION PRIMER - Acts as primer filler, surfacer, and non-sand sealer—streamline your workflow with one powerhouse product.
SUPERIOR OPACITY HIDING POWER - Achieve flawless coverage and smooth surfaces that set the stage for perfect topcoats every time.

The U-POL 1 Gallon High Solids High Build Urethane Primer Kit is a premium 3-in-1 direct-to-metal primer designed for professional automotive and industrial use. Featuring a 4.2 VOC compliant formula, it offers excellent opacity, high build capabilities, and versatile curing options including air drying, low baking, and infrared curing. This tintable urethane primer kit streamlines surface preparation with multi-role functionality, making it a top choice for flawless, durable finishes.

Specifications

ASIN	B003TQGGNM
Best Sellers Rank	#19,032 in Automotive ( See Top 100 in Automotive ) #12 in Automotive Primers
Brand	U-POL
Customer Reviews	4.6 4.6 out of 5 stars (555)
Date First Available	April 20, 2011
Exterior	Aluminum
Is Discontinued By Manufacturer	No
Item Weight	15 pounds
Item model number	2253-KIT-STD
Manufacturer	U-Pol
Manufacturer Part Number	2253/2323_KIT
Product Dimensions	12 x 12 x 12 inches
Special Features	Tintable

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