after applying this, do I need to sand before painting or have this adhesive??

You can paint over within 24 hours, any longer you need to scuff with atleast a scothbrite or 240-320 for primer 400-600 grit for top coat.

Can i use transtar urethane reducer to use this as a sealer

Follow the prjnted instructions for prjmer and sealer. 1:1 as primer and 1:1:1/2 as sealer.

bare metal (car) have scratches will this fill scratches? if not what product do you recommend to fil scratches?

To fill pits and scratch I use : Bondo glazing spot putty

can be use on primer (urethane) all ready apply ? to make sure no rust

I don’t know about that but it’s supposed to go on direct to metal so it doesn’t rust and polyester filler primer on top after .

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Custom Shop - High Performance Anti-Corrosion DTM Black Epoxy Primer 2.1 VOC (1 Quart Kit) for Automotive and Industrial Use = 1 Pint of Epoxy Primer + 1 Pint Epoxy HDR (1-1 Mix), Gray, 1-Gallon Kit

Custom Shop - High Performance Anti-Corrosion DTM Black Epoxy Primer 2.1 VOC (1 Quart Kit) for Automotive and Industrial Use = 1 Pint of Epoxy Primer + 1 Pint Epoxy HDR (1-1 Mix), Gray, 1-Gallon Kit

Product ID: 679415775

Details

Brand
Custom Shop
Colour
Gray
Finish type
Gloss
Item volume
2 Quarts
Size
32 Fl Oz (Pack

⏱️Fast Dry & Quick Recoat

⚙️1:1 Mix Ratio Precision

🛡️Rich Anti-Corrosion Defense

Description

🖤 Seal the deal with corrosion-proof confidence!

RAPID RECOAT READY - Topcoat or basecoat can be applied in just 30 minutes, speeding up your project timeline.
EFFORTLESS 1 1 MIXING - No induction time, perfect blend every time for flawless application.
UNIVERSAL COMPATIBILITY - Works flawlessly with top automotive paint brands like PPG, House of Kolor, and Valspar.
UNMATCHED METAL ADHESION - Bonds seamlessly to bare metal, aluminum, fiberglass, and more for durable protection.
LEAD CHROMATE FREE FORMULA - Safe, eco-conscious corrosion resistance without harmful chemicals.

Custom Shop KEP Series Anti-Corrosive Epoxy Primer is a high-performance, 1:1 mix ratio DTM primer designed for superior adhesion and rust defense on metal, fiberglass, and plastics. Lead and chromate free with fast drying and excellent salt spray resistance, it enables quick recoating and is compatible with major automotive paint brands, making it the go-to choice for professionals seeking durable, smooth finishes.

Specifications

ASIN	B07NXWF5BV
Age Range Description	Adult
Best Sellers Rank	#146,764 in Automotive ( See Top 100 in Automotive ) #28 in Primers
Brand	Custom Shop
Brand Name	Custom Shop
Color	Gray
Color Code	#808080
Colour	Gray
Container Type	Gallon
Coverage	2 quarts per square meter
Customer Reviews	4.1 out of 5 stars 512 Reviews
Dry Time In Hours	12
Finish Type	Gloss
Finish type	Gloss
Full Cure Time	15 Minutes
Included Components	Hardener
Indoor Outdoor Usage	Outdoor
Is Waterproof	True
Item Form	Liquid
Item Volume	2 Quarts
Item volume	2 Quarts
Manufacturer	Custom Shop
Paint Type	Spray
Part Number	Kit-KEP405-GL
Size	32 Fl Oz (Pack of 4)
Special Features	Fast-Drying
Special features	Fast-Drying
Specific Uses For Product	car
Surface Recommendation	Metal
UPC	848849098204
Unit Count	128 Fluid Ounces
Water Resistance Level	Waterproof

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