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, White DTM Epoxy Primer/Sealer 2.1 VOC, 1:1 Mix, 1 Gallon Kit | Anti-Corrosive, High-Performance Primer for Automotive and Industrial use, Kit = 2 Qt. Epoxy Primer + 2 Qt. Hardener

Product ID: 144829369

Details

Brand
Custom Shop
Color
White
Finish Type
High-Gloss
Item Volume
3785 ml
Paint Type
Spray
Size
4 Piece Set

⏱️Fast 1-Hour Dry Time

⚙️1:1 Mix Ratio Precision

🛡️Anti-Corrosive Defense

€ 436.00

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Seal the deal with corrosion-proof confidence!

ECO CONSCIOUS LOW VOC FORMULA - 2.1 VOC lbs/gallon compliant, lead & chromate free—protect your work and the environment simultaneously.
EFFORTLESS MIXING APPLICATION - 1:1 mix ratio with no induction time means less hassle, more precision, and a smooth, high-gloss finish every time.
FLAWLESS DIRECT TO METAL ADHESION - Advanced resin tech bonds perfectly to bare metal, aluminum, fiberglass & more for a rock-solid base.
INDUSTRY LEADING CORROSION RESISTANCE - Rich anti-corrosive additives and salt spray defense keep your projects rust-free and showroom fresh.
VERSATILE SEALER FOR TOPCOAT EXCELLENCE - Use as a sealer with urethane or basecoat clearcoat for superior gloss holdout and fast recoating in just 30 minutes.

Custom Shop White Epoxy Primer/Sealer Gallon Kit delivers a high-performance, anti-corrosive DTM primer with a precise 1:1 mix ratio. Designed for automotive and industrial use, it bonds seamlessly to metal, fiberglass, and plastics while offering fast drying (1 hour) and excellent salt spray resistance. This low VOC, lead- and chromate-free formula ensures a smooth, high-gloss finish and superior topcoat adhesion, making it the go-to choice for professionals demanding durability and environmental responsibility.

Specifications

ASIN	B07NZXH8L8
Age Range Description	Adult
Best Sellers Rank	#20,648 in Automotive ( See Top 100 in Automotive ) #20 in Automotive Primers
Brand Name	Custom Shop
Color	White
Color Code	#FFFFFF
Container Type	Can
Coverage	anti-corrosion, salt spray resistance
Customer Reviews	4.2 4.2 out of 5 stars (709)
Dry Time In Hours	1
Finish Type	High-Gloss
Full Cure Time	24 hours
Included Components	Paint, Applicators, Hardener
Indoor Outdoor Usage	Outdoor
Is Waterproof	True
Item Form	Gel
Item Volume	3785 ml
Manufacturer	Custom Shop
Paint Type	Spray
Part Number	Kit-KEP407-GL
Size	4 Piece Set
Special Features	Anti-Corrosive, Low VOC, Fast-Drying
Specific Uses For Product	Automotive and Industrial applications, Corrosion-resistant environments, Quick-drying requirements
Surface Recommendation	Metal
UPC	848849098228
Unit Count	128 Fluid Ounces
Water Resistance Level	Water Resistant

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€ 436.00

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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