---
product_id: 48636570
title: "4 x DINITROL ML PENETRATOR RUST PROOFING CAVITY WAX 500ml AEROSOL + EXTENSION"
brand: "rejel"
price: "€ 108.28"
currency: EUR
in_stock: true
reviews_count: 8
category: "Rejel"
url: https://www.desertcart.be/products/48636570-4-x-dinitrol-ml-penetrator-rust-proofing-cavity-wax-500ml
store_origin: BE
region: Belgium
---

# Extremely flammable for fast-drying, durable coating 500ml aerosol with extension for deep cavity reach Calcium Sulphonate for superior rust protection 4 x DINITROL ML PENETRATOR RUST PROOFING CAVITY WAX 500ml AEROSOL + EXTENSION

**Brand:** rejel
**Price:** € 108.28
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal on rust before it’s too late!

## Quick Answers

- **What is this?** 4 x DINITROL ML PENETRATOR RUST PROOFING CAVITY WAX 500ml AEROSOL + EXTENSION by rejel
- **How much does it cost?** € 108.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/48636570-4-x-dinitrol-ml-penetrator-rust-proofing-cavity-wax-500ml)

## Best For

- rejel enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** Top-rated with a 4.9-star average from 47 expert users—join the rust-proof elite.
- • **Compact & Convenient:** Lightweight 2kg pack with easy spray control, perfect for on-the-go maintenance.
- • **Precision Application:** Extension nozzle ensures every hidden cavity and crevice is treated with ease.
- • **Ultimate Rust Defense:** Calcium Sulphonate formula penetrates and seals to stop corrosion before it starts.
- • **Long-Lasting Protection:** 500ml aerosol delivers a durable wax barrier that withstands harsh conditions.

## Overview

This 4-pack of 500ml DINITROL ML Penetrator Rust Proofing Cavity Wax aerosols features a powerful Calcium Sulphonate formula designed to penetrate and protect vehicle cavities from corrosion. Equipped with an extension nozzle for precise application, it offers long-lasting, professional-grade rust protection. Highly rated by users and ideal for automotive maintenance, this pressurized aerosol requires careful handling due to its flammability and chemical properties.

## Description

Contains Calcium Sulphonate. May produce an allergic reaction. Contains Calcium sulfonate. May produce an allergic reaction. Extremely flammable aerosol. May be fatal if swallowed and enters airways. May cause drowsiness or dizziness. Pressurised container: May burst if heated. Repeated exposure may cause skin dryness or cracking.

Review: Excellent prevention against hidden rust, but application can be messy - Dinitrol ML Cavity Wax supplied in these four 500ml aerosol cans contains rust inhibitors, remains flexible with a small degree of self-heal, and is a major part of the superb Dinitrol anti-corrosion system. I found that four cans are sufficient to apply a reasonable protective coating in the relevant places on a carefully cleaned and dry low mileage and rust-free MX-5 (a small car), enough so that I used the last part of a can just finding nooks and crannies and bolts underneath that might have been potential rust traps in the future. The 600mm extension included allowed me to reach far enough into all cavities without too much dismantling after having removed the wheels and wheel arch liners. If you really want to go to town and soak everything everywhere and have it dripping out the drain holes then at least double the quantity will be needed; and to make it much easier use a proper Schutz gun with metal pick-up tube and high capacity air compressor, however I don't see the need for this. Over the last fifty years of motoring when using the original version of Waxoyl etc on my other cars I only protected the most vulnerable areas (insides of door seams, all door pillars, all sills, boxes, sub-frames, wheel-arch seams, etc, but left most large panel areas unless they could have water running over them); and most of those high mileage cars lasted close to twenty years rot free with only unrealistically expensive mechanical problems forcing their being scrapped. Be aware that this cavity wax will not fix rust. Light surface rust can be 'converted' and stabilised with RC900 ; but flakes must be removed first, and deeper more structural rust must be replaced with new metal and properly primed. To resolve any doubts about the condition of the metal work prior to treatment a small borecam inserted into the cavity can sometimes be a great help. The ML has a brown colour which gives a useful indication of how complete the coverage is. As usual with an aerosol it helps if the can is warm and given a really good long shake before use, and the car is not cold. Mask off anything that should not be sprayed, such as exhaust, brakes, radiator etc. If the area to be protected is going to be sometimes visible, such as in the engine compartment or boot, then instead use the 1000 clear wax which dries hard. It is essential to work in a warm well ventilated area, and very worthwhile to wear disposable protective clothing, face mask and disposable gloves , and to invest in some benzene based cleaner to remove the inevitable over-spray. Place plastic sheet and/or newspaper etc underneath to prevent drips from marking the floor.
Review: Works perfectly - The long extension wand with 360 injection spray pattern makes it perfect for injection of box chassis giving all round coverage internal

## Features

- Contains Calcium Sulphonate. May produce an allergic reaction.
- Contains Calcium sulfonate. May produce an allergic reaction.
- Extremely flammable aerosol.
- May be fatal if swallowed and enters airways.
- May cause drowsiness or dizziness.
- Pressurised container: May burst if heated.
- Repeated exposure may cause skin dryness or cracking.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0076L4BII |
| Best Sellers Rank | 29,888 in Automotive ( See Top 100 in Automotive ) 147 in Rust Converters & Rust Removers |
| Brand | REJEL |
| Customer Reviews | 4.9 4.9 out of 5 stars (47) |
| Date First Available | 7 Feb. 2012 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Weight | 2 kg |
| Manufacturer part number | DINMLS4E |
| Manufacturer reference | DINMLS4E |
| Package Dimensions | 27.5 x 25.5 x 7.5 cm; 2 kg |

## Images

![4 x DINITROL ML PENETRATOR RUST PROOFING CAVITY WAX 500ml AEROSOL + EXTENSION - Image 1](https://m.media-amazon.com/images/I/41w7o2s9SxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent prevention against hidden rust, but application can be messy
*by R***S on 13 June 2024*

Dinitrol ML Cavity Wax supplied in these four 500ml aerosol cans contains rust inhibitors, remains flexible with a small degree of self-heal, and is a major part of the superb Dinitrol anti-corrosion system. I found that four cans are sufficient to apply a reasonable protective coating in the relevant places on a carefully cleaned and dry low mileage and rust-free MX-5 (a small car), enough so that I used the last part of a can just finding nooks and crannies and bolts underneath that might have been potential rust traps in the future. The 600mm extension included allowed me to reach far enough into all cavities without too much dismantling after having removed the wheels and wheel arch liners. If you really want to go to town and soak everything everywhere and have it dripping out the drain holes then at least double the quantity will be needed; and to make it much easier use a proper Schutz gun with metal pick-up tube and high capacity air compressor, however I don't see the need for this. Over the last fifty years of motoring when using the original version of Waxoyl etc on my other cars I only protected the most vulnerable areas (insides of door seams, all door pillars, all sills, boxes, sub-frames, wheel-arch seams, etc, but left most large panel areas unless they could have water running over them); and most of those high mileage cars lasted close to twenty years rot free with only unrealistically expensive mechanical problems forcing their being scrapped. Be aware that this cavity wax will not fix rust. Light surface rust can be 'converted' and stabilised with RC900 ; but flakes must be removed first, and deeper more structural rust must be replaced with new metal and properly primed. To resolve any doubts about the condition of the metal work prior to treatment a small borecam inserted into the cavity can sometimes be a great help. The ML has a brown colour which gives a useful indication of how complete the coverage is. As usual with an aerosol it helps if the can is warm and given a really good long shake before use, and the car is not cold. Mask off anything that should not be sprayed, such as exhaust, brakes, radiator etc. If the area to be protected is going to be sometimes visible, such as in the engine compartment or boot, then instead use the 1000 clear wax which dries hard. It is essential to work in a warm well ventilated area, and very worthwhile to wear disposable protective clothing, face mask and disposable gloves , and to invest in some benzene based cleaner to remove the inevitable over-spray. Place plastic sheet and/or newspaper etc underneath to prevent drips from marking the floor.

### ⭐⭐⭐⭐⭐ Works perfectly
*by D***E on 20 October 2024*

The long extension wand with 360 injection spray pattern makes it perfect for injection of box chassis giving all round coverage internal

### ⭐⭐⭐⭐⭐ Peace of mind from rust.
*by T***L on 19 October 2019*

As I like to drive older Nissan's and they can have rust issues with the UK road salt I always spray all vehicle box sections and sills with Dinitrol, great product and this is the third time I have used it on a Nissan, totally recommended.

## Frequently Bought Together

- 4 x DINITROL ML PENETRATOR RUST PROOFING CAVITY WAX 500ml AEROSOL + EXTENSION
- JENOLITE Rust Converter Spray | 400ml | RUST TREATMENT & RUST INHIBITOR | Fast Acting Epoxy Based Rust Converter For Metal | Converts Rust Into Stable, Ready-to-Paint Surface

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-08-02*