---
product_id: 13813133
title: "42003 Black High Build Primer - 16 oz."
brand: "sem"
price: "27900 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/13813133-42003-black-high-build-primer-16-oz
store_origin: HU
region: Hungary
---

# Fast 1-hour dry time Multi-surface adhesion (metal, plastic, aluminum) High-build 2-3 coats coverage 42003 Black High Build Primer - 16 oz.

**Brand:** sem
**Price:** 27900 Ft
**Availability:** ✅ In Stock

## Summary

> ⚡ Prime like a pro, dry like a boss!

## Quick Answers

- **What is this?** 42003 Black High Build Primer - 16 oz. by sem
- **How much does it cost?** 27900 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/13813133-42003-black-high-build-primer-16-oz)

## Best For

- sem enthusiasts

## Why This Product

- Trusted sem brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Drying Power:** Get ready to move fast with a 1-hour full cure time—no more waiting around.
- • **Aerosol Convenience:** 16 oz. aerosol can for easy, precise application—perfect for on-the-go pros.
- • **High-Build Coverage:** Achieve smooth, durable layers with just 2-3 medium wet coats covering 11 sq. ft. at 2 mil DFT.
- • **Sleek Semi-Gloss Finish:** Elevate your project with a professional semi-gloss look that stands out.
- • **Versatile Surface Mastery:** Seamlessly primes steel, aluminum, plastic, SMC, and fiberglass for flawless finishes.

## Overview

The SEM 42003 Black High Build Primer is a fast-drying, elastomeric acrylic aerosol primer designed for automotive and industrial use. It delivers high-build coverage on multiple surfaces including steel, aluminum, plastic, and fiberglass, drying fully in just 1 hour with a sleek semi-gloss finish. Ideal for professionals seeking efficient, versatile priming with superior adhesion and smooth results.

## Description

SEM 42003 Black High Build Primer - 16 oz.

## Features

- Applications : Steel, Aluminum, Plastic, SMC, Fiberglass
- 20 oz. Aerosol. Coverage: 11 sq. ft. at 2 mil DFT
- Coats: 2-3 medium wet
- Dry time: 1 hr. Flash time: 5-10 min between coats

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SEM |
| Color | Black |
| Finish Type | Semi-Gloss |
| Size | 16 Ounce (Pack of 1) |
| Item Volume | 12 Fluid Ounces |
| Special Feature | Fast-Drying |
| Unit Count | 16.0 Ounce |
| Paint Type | Regular |
| Specific Uses For Product | Exterior/Interior |
| Surface Recommendation | Metal, Wood |
| Item Form | Aerosol |
| Included Components | 1 |
| Is Waterproof | False |
| Model Name | 42003 |
| Package Information | Can |
| Color Code | SEM 42003 |
| Full Cure Time | 1 Hours |
| Coverage | Not available |
| Water Resistance Level | Water Resistant |
| UPC | 646786420030 |
| Global Trade Identification Number | 00646786420030 |
| Manufacturer | SEM |
| Dry Time In Hours | 1 |
| Item Weight | 1 pounds |
| Product Dimensions | 11 x 6 x 6 inches |
| Item model number | 42003 |
| Is Discontinued By Manufacturer | No |
| Exterior | Aluminum,Metal,Plastic,Steel |
| Manufacturer Part Number | 42003 |
| Special Features | Fast-Drying |

## Product Details

- **Brand:** SEM
- **Color:** Black
- **Finish Type:** Semi-Gloss
- **Size:** 16 Ounce (Pack of 1)
- **Item Volume:** 12 Fluid Ounces
- **Special Feature:** Fast-Drying
- **Unit Count:** 16.0 Ounce
- **Paint Type:** Regular
- **Specific Uses For Product:** Exterior/Interior
- **Surface Recommendation:** Metal, Wood

## Images

![42003 Black High Build Primer - 16 oz. - Image 1](https://m.media-amazon.com/images/I/61boqv7DaAL.jpg)

## Frequently Bought Together

- SEM 42003 Black High Build Primer - 16 oz.
- SEM 39673 Black Self Etching Primer - 15.5 oz.
- SEM 39143 Trim Black Spray Aerosol (2)

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**Shop now:** [https://www.desertcart.hu/products/13813133-42003-black-high-build-primer-16-oz](https://www.desertcart.hu/products/13813133-42003-black-high-build-primer-16-oz)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-16*