---
product_id: 279415323
title: "POR-15 Metal Prep, Metal Etching Rust Neutralizer, Non-Flammable and Water-Based, 128 Fluid Ounces"
brand: "por-15"
price: "R3543"
currency: ZAR
in_stock: true
reviews_count: 5
category: "Por 15"
url: https://www.desertcart.co.za/products/279415323-por-15-metal-prep-metal-etching-rust-neutralizer-non-flammable
store_origin: ZA
region: South Africa
---

# Water-based, non-flammable formula Enhances corrosion & welding resistance Metal etching & zinc phosphate coating POR-15 Metal Prep, Metal Etching Rust Neutralizer, Non-Flammable and Water-Based, 128 Fluid Ounces

**Brand:** por-15
**Price:** R3543
**Availability:** ✅ In Stock

## Summary

> 🛠️ Transform rust into resilience — prep like a pro, protect like a boss!

## Quick Answers

- **What is this?** POR-15 Metal Prep, Metal Etching Rust Neutralizer, Non-Flammable and Water-Based, 128 Fluid Ounces by por-15
- **How much does it cost?** R3543 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/279415323-por-15-metal-prep-metal-etching-rust-neutralizer-non-flammable)

## Best For

- por-15 enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Eco-Friendly:** Non-toxic, water-based, and non-flammable for worry-free application
- • **Pro-Grade Performance:** Trusted by DIYers and pros for unbeatable rust prevention and edge corrosion resistance
- • **Versatile Application:** Use with brush, roller, spray, or dip on cars, fences, and outdoor furniture
- • **Precision Metal Etching:** Creates an ideal anchor pattern for superior paint adhesion
- • **Rust Neutralizer & Converter:** Transforms rust into a stable black oxide patina for lasting protection

## Overview

POR-15 Metal Prep is a water-based, non-flammable metal etching and rust neutralizing solution that creates a zinc phosphate coating to ensure superior paint adhesion and corrosion resistance. Ideal for automotive frames, outdoor metal, and industrial use, it safely converts rust into a stable patina while enhancing welding conductivity and edge corrosion protection. Trusted by professionals and DIY enthusiasts alike, it’s the essential first step in the POR-15 3-step rust prevention system.

## Description

Surface Cleaner, Metal Prep, 1 gal Jug, Each

Review: Works great to prep metal for top coating with POR 15. I used it on my 23 year old truck frame and it's still looking great after about 8 months of driving.
Review: Used it works great. great quality

## Features

- ✅ POR-15 METAL PREP - Is easy to use and effective. It's formulated to gently etch metal, to create an ideal anchor pattern for coatings, while simultaneously leaving a zinc phosphate coating to insure chemical bonding of paint and steel metal.
- ✅ PREPARATION IS KEY - After thoroughly degreasing your work piece, apply POR-15 Metal Prep to both neutralize any rust and etch any clean bare metal. This will allow better adhesion of POR-15 Rust Preventive Coating or any other coating. Metal Prep is Essential to create superior edge corrosion, undercutting resistance & improves welding conductivity
- ✅ APPLICATION - Remove loose or flaking rust, paint scale, etc. Surface to be treated should be free of grease, oil, and other foreign substances. Use of POR-15 Cleaner Degreaser is recommended. POR-15 Metal Prep works faster at temperatures above 70°F. Apply with brush, roller, spray, or dip rusted metal directly into solution.
- ✅ SAFE & EFFECTIVE - Our water-based formula is non-toxic, non-corrosive is safe to use, and won’t leave behind harmful residues. Our Metal Prep is an inexpensive insurance policy that guarantees perfect adhesion of POR-15 Rust Preventive Coating to any metallic surface every time. Perfect to use on your car, fence, outdoor furniture, & more!
- ✅ OUR SATISFACTION COMMITMENT – At POR-15 we strive to bring the ultimate in rust prevention. Known for the unbeatable 3-step stop rust system, POR-15 is trusted by DIY & Professionals. We are committed to innovation, quality control, and excellent customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00J594B52 |
| Best Sellers Rank | #53,048 in Automotive ( See Top 100 in Automotive ) #89 in Care Corrosion & Rust Inhibitors |
| Brand | POR-15 |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,841) |
| Date First Available | 26 March 2014 |
| Exterior | Zinc |
| Item Weight | 694 g |
| Item model number | 40201 |
| Manufacturer | POR-15 |
| Manufacturer Part Number | POR40201 |
| Model | 40201 |
| OEM Part Number | 40201 |
| Product Dimensions | 7 x 4 x 11.5 cm; 694 g |
| Special Features | Non Flammable |
| Viscosity | Low |

## Product Details

- **Brand:** POR-15
- **Colour:** Clear
- **Finish type:** Metallic
- **Item volume:** 1 Gallons
- **Size:** 128 Fl Oz (Pack of 1)

## Images

![POR-15 Metal Prep, Metal Etching Rust Neutralizer, Non-Flammable and Water-Based, 128 Fluid Ounces - Image 1](https://m.media-amazon.com/images/I/81thWa1z2gL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***S on 15 February 2026*

Works great to prep metal for top coating with POR 15. I used it on my 23 year old truck frame and it's still looking great after about 8 months of driving.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 27 July 2024*

Used it works great. great quality

### ⭐⭐⭐⭐⭐ Review
*by E***S on 24 October 2021*

I bought this as recommended for use with the POR 15 sealant to prevent rust. I spent hours sanding and grinding the rust off the underside of a replacement truck bed I purchased for my Ford F5150 in preparation for the application of the POR 15 sealant and rust preventative which cost over $50 a quart. So when I watched some videos and all of them recommended the use of a metal etching solvent as the final pre-step, I felt it was in my best interest to make the purchase. Is this step required, heck I don't know but I was not about to cheap out after all that work. The process requires you to brush or spray this on and keep it wet for 20 minutes. Most video I saw people used a pump style sprayer for this but I choose to use a spray bottle to apply it since it was the quickest and easiest way for me to just purchase a good spray bottle. But it was just enough to cover the truck bed so keeping it wet for 20 minutes was a challenge with no extra spray after the initial application. So I covered it with plastic once it was sprayed to hopefully prevent it from evaporating too soon. It seemed to work, but 20 minutes? Not sure about that. But it definitely changed the appearance of the metal. However, even after rinsing it off, which is the final step, it left a white residue behind in spots which I was not sure about so I used a rag with some mineral spirits to wipe that away. It was not mentioned in the instructions on the bottle so I assume it was the thing to do and since mineral spirits contains no water I felt it would not hurt. I just did not make sense to me to paint over some powdery residue. In the end the project came out great and I am pretty confident in the work I did. Will the use of this product make a difference? It does make sense to remove as much loose rust as possible and creating a surface for a paint type product to adhere properly is something I have done many times so it makes sense. When I pull the old truck bed in the spring I plan to go through the same process on the truck frame below the bed. I will most likely try and find another cost effective etching solution so I can be sure to keep it wet as suggested. That would be my recommendation here - that is, get enough to keep it wet for the required 20 minutes. You can use the size of a 4 x 6.5 foot truck bed as an estimation measurement and decide to purchase this product or a more economical alternative - if there is one. Side Note: The process also calls for degreasing the surface before using the etching solvent. Again POR makes a product for this purpose, but in this case I just used some Purple Power degreaser which I have used for years when I needed a degreaser. I could not justify the purchase of the POR brand in this case. I did not see how it could be much different than any good degreaser that is applied and rinsed off in the same manner. Just something to consider.

## Frequently Bought Together

- POR-15 Metal Prep, Metal Etching Rust Neutralizer, Non-Flammable and Water-Based, 128 Fluid Ounces
- POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-gallon

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-24*