# WEICON Rust Converter 400 ml Spray, Model 11155400

Model: WEICON Rust Converter is a 400 ml spray claimed to neutralise rust and provide a primer in one operation. Its stated use on rusty cast iron and steel suits repair and maintenance tasks, although customer feedback reports mixed experiences with its effectiveness.

- [Original product page](https://aussiedealscout.com/product/weicon-rust-converter-400-ml-spray)
- [View offer](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)
- Market: AU
- Language: en-AU
- Currency: AUD
- Brand: WEICON
- Model: 11155400
- Category: Tools & Garden > Hardware & Building Materials
- Price: 33.14 AUD
- Previous price: 38.99 AUD
- Discount: 15%
- Price checked: 2026-11-13T11:53:08.623Z
- Rating: 4.5 / 5
- Reviews: 2297

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- The manufacturer describes rust conversion and priming as a single operation, leaving a black layer intended as a primer for a later coating.
- Specified for rusty cast iron and steel, with examples including machinery, agricultural equipment and vehicles.
- The manufacturer claims anticorrosive properties, weather and UV resistance, and suitability for indoor and outdoor environments.

## Pros

- Spray format is intended to help apply the coating evenly to rusty metal surfaces.
- Combines rust treatment and primer application, potentially reducing steps before a subsequent coating.
- Listed as acid free and suitable for indoor and outdoor use.

## Specifications

### Identity
- Brand: WEICON
- Model: 11155400
### Format and application
- Item form: Spray
- Volume: 400 Millilitres
- Surface recommendation: Metal
- Specific use listed: Car
- Special feature: Rust conversion and primer in one go
### Composition and handling details
- Scent: Resin
- Material feature: Cruelty Free
- Material type free: Acid Free
- Liquid contents: Yes
### Dimensions and installation
- Weight listed: 0.4 Kilograms

## Before you buy

- The listing contains inconsistent package-size details: the title and volume field indicate 400 ml, while the size field says "40 ml \(Pack of 1\)" and the unit count says "40 millilitre". Confirm the can size for the selected listing before buying. The manufacturer also describes a black primer layer, while the detail field lists a resin scent and neutral odour. These descriptions are inconsistent or unconfirmed. Follow the product instructions for preparation and subsequent coating.

## A good fit for

- People treating rust on cast iron or steel parts such as cars, machinery or agricultural equipment.
- Buyers seeking a spray-applied rust treatment intended to double as a primer before later coating.

## Less suited to

- Buyers who need consistently assured rust-removal results, as customer feedback reports mixed effectiveness.
- Anyone who needs a confirmed package volume without first resolving the listing's 400 ml and 40 ml discrepancy.

## Customer feedback

Customer feedback describes the product as good quality, but reports mixed effectiveness: some customers say it works well, while others say it does not remove rust. That variation matters for buyers relying on rust treatment before coating. The listing describes a spray that converts rust and forms a primer layer on rusty cast iron and steel, but those manufacturer claims do not resolve customers' differing outcomes.
- Positive themes: Customers describe the product as good quality.
- Mixed feedback: Customer reports on effectiveness vary, including reports that it works well and reports that it does not remove rust.

## Frequently asked questions

### What is the listed can size?
The title and item-volume detail state 400 ml, but the size and unit-count details state 40 ml. Confirm the selected listing's can size before purchase.
### What materials is it intended for?
The manufacturer describes use on rusty cast iron and steel, including parts on cars, machinery and agricultural equipment.
### Does it act as a primer?
The listing says rust conversion and priming happen in one operation and describes a black layer intended as a primer for a subsequent coating.
### What do customers report about effectiveness?
Feedback is mixed. Some customers are surprised by how well it works, while others say it does not remove rust. Customer comments are not a guarantee of results for a particular surface or application.

## Alternative options

- [Rust-Oleum Automotive Reformer Spray 291ml Black – Instant Rust-to-Paint Converter, Fast-Drying, Prevents Future Corrosion, for Trailers, Cars & Trucks](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)
- [Rust-Oleum Stops Rust Reformer Spray, Black, 290 g – Converts Rust to a Paintable Surface, Prevents Future Corrosion](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)
- [WEICON Rust Remover & Contact Spray 400 ml \| For freeing and protecting rusted vehicle components](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)
- [CRC Rust Converter 1X250ML](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)
- [WEICON W 44 T Multi-Functional Oil 400 ml \| Penetrates, lubricates, protects against corrosion and provides care](https://aussiedealscout.com/visit/weicon-w-44-t-multi-functional-oil)
- [WEICON Galva-Spray 400 ml, Corrosion Protection Primer \| For long-term protection of metal surfaces against rust](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)

## Add-ons

- [Rust-Oleum 2X Ultra Cover Flat White Primer Spray, White, 340 g – Fast-Drying Multi-Surface Primer for Wood, Metal & Plastic, High-Hiding Base Coat](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)
- [Rust-Oleum 2X Acrylic Enamel Top Coat Spray Paint, Clear, 340 g](https://aussiedealscout.com/visit/weicon-rust-converter-400-ml-spray)

## Images

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 1](https://aussiedealscout.com/i/_9d8NAMyHy-hO1j0kDPZSbqBn_z4HwhrHiXkHFomPszwJhfe160ZVVtVlfhkYh26xgEb2uHz7MOHsve4k3tfyOhkGqLEisuheXZGBdt0Ho5qMUBGepQ5iEFT.jpg)

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 2](https://aussiedealscout.com/i/adQHp9iVFEjRnlOSQSU6I2EusCW1-bW-QxzkNhqEn4K8azz2OAAHwNo6yzMBoP6aB_-YpD7htyh028FWz6qP1K7bfnCkXO9sN7p9d4oUbQX-DO_gQVD-LHlG.jpg)

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 3](https://aussiedealscout.com/i/9Wnna_LzVxvrTjJ8U9mpGZ-TiRSm8gi29A619k7IaWQwbNrxq7sCKiaiXU5ucBNTcJthbTSUR3yFNMSAImgmUulWzkEazXjuxdOnSSqiGQi4YAHjbigHfuuu.jpg)

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 4](https://aussiedealscout.com/i/DHhEZ8-RRzW8bZcsJxAlhLGiF-HWlZWcYPkchhL6hHTLrzBV1rVC5qFzK7tIgaE3tPzlJTZ62qrWr-ABFahc2gfqLf8dLrbfX3B0hgd0JE6BG28JEVU7Nq1E.jpg)

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 5](https://aussiedealscout.com/i/9tQxaI9cbQlOUFKdlF4Nv_sBTUG3KZcBTOnviIqOAKZnTnndiMaZqxGd17SHdNf9TjJ2PXvZa0blzxFQsPykHExfd7rna20NQGjecOVxQVXGcalj7uWTtaUS.jpg)

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 6](https://aussiedealscout.com/i/V0_4xyirc0EPCZv3AsCxEDyjGlH0LLannT93cjG8sU_GneIX-5DLqA258K6uGLl11toR8FWxMg971Y3P8UiGqASCe7XvGdT5OSn28fPpoyrnm-gfBfQoWQZh.jpg)

![WEICON Rust Converter 400 ml Spray, Model 11155400 — 7](https://aussiedealscout.com/i/zpoTN0VYNL7pGHdJoZGTa4WLxWXRXIOVII5wDc-TW0AxNnLOhXBFLL4UBNuEm7dlWlRAv9CY43EtzaHWwNFeb4eA928oeotleJbrTI94pzA6m3dQmo_yntkV.jpg)