Compo Anticoat 1 is a one-component polymer composition designed specifically to protect the underbody of the car and hidden cavities from the aggressive effects of road reagents and moisture. This material is often chosen by craftsmen as it creates an elastic film that can withstand the mechanical impacts of small stones and gravel, which is critical to maintaining the integrity of the factory body coating. Unlike bitumen mastics, this polymer base does not crack at low temperatures and does not drain under high heat, providing long-term protection for up to 10 years.
Uniqueness of the formula Compo Anticoat 1 lies in the ability to penetrate deeply into microcracks in old paintwork and rust, blocking the access of oxygen to the metal. When applied, the composition actively displaces residual moisture, which allows it to be used even on surfaces that cannot be perfectly dried with an industrial hair dryer. After polymerization, a durable but flexible layer is formed that effectively dampens vibrations and reduces the overall noise level in the car interior, working as additional sound insulation.
The processing process with this material requires adherence to a certain technology, since adhesion and the final result directly depend on surface preparation. Compo Anticoat 1 does not require mixing with hardeners or solvents, as it is supplied in a ready-to-use form, which simplifies work in a garage. However, to achieve maximum effect, it is necessary to thoroughly clean the treated areas of dirt, oil and loose rust fragments before starting work.
Technical characteristics and composition
The basis of the material is a modified polymer composite, which, after application, forms a monolithic coating with a high degree of elasticity. The most important parameter is temperature range operation, which allows the composition to maintain its properties in a wide range from -60 to +90 degrees Celsius. It does Compo Anticoat 1 suitable for use in any climatic zones, from harsh Siberia to hot southern regions.
The composition contains no volatile organic solvents, which makes the material environmentally friendly and does not have a strong odor after drying. The formula is enriched with corrosion inhibitors that continue to work even after polymerization, creating a chemical barrier to metal oxidation. The key feature is the thixotropy of the composition, thanks to which it does not slide off vertical surfaces and wheel arches, forming a uniform layer of a given thickness.
⚠️ Attention: Despite the absence of toxic solvents, it is necessary to work with the composition in a well-ventilated area and use personal respiratory protection equipment.
The Shore hardness of this material is selected in such a way as to balance between strength and flexibility. A coating that is too hard could burst when the body is deformed, while a coating that is too soft could quickly wear off. Compo Anticoat 1 retains elasticity throughout its service life, which allows the body to “breathe” and undergo natural thermal expansion without compromising the integrity of the protective layer.
Chemical resistance of the coating
The composition is resistant to gasoline, diesel fuel, motor oils, acids and alkalis, which is especially important for protecting the bottom from aggressive chemicals used by utilities in winter.
Applications and compatibility
Scope of use Compo Anticoat 1 covers almost all metal elements of the car that are susceptible to corrosion. The main purpose is to treat the underbody, wheel arches and sills, where the risk of mechanical damage is highest. The material adheres perfectly to steel, aluminum and galvanized surfaces, providing reliable protection for both new and used cars.
The composition is compatible with most factory paints and previously applied anti-corrosion coatings, if they are in stable condition. This allows you to use Compo Anticoat 1 to update protection without the need to completely strip the body to metal, which significantly saves time and resources. However, if there are swellings or peelings of the old material, they must be removed.
- 🚗 Treatment of external surfaces of the bottom and arches to protect against abrasive wear.
- 🛡️ Preservation of hidden cavities, side members and body reinforcements from internal corrosion.
- 🔧 Protection of suspension and exhaust system elements from exposure to reagents and moisture.
- 🏠 Application for protecting metal structures of garages, gates and fences.
It is important to note that the material is not intended for application to parts subject to constant friction or high temperatures, such as brake discs or a muffler in the exhaust area. For such units there are specialized heat-resistant enamels. Compo Anticoat 1 is focused specifically on protection against corrosion and mechanical shock in moderately heated areas.
Preparing the surface for processing
The quality of surface preparation determines up to 80% of the success of the entire anti-corrosion treatment. Before application Compo Anticoat 1 It is necessary to thoroughly wash the car, paying special attention to arches and hidden cavities where dirt accumulates. The use of high-pressure washers and special shampoos can remove the bulk of dirt, but mechanical cleaning may be required for an ideal result.
If there are pockets of corrosion on the metal, they must be cleaned to a solid base. Loose rust is removed with metal brushes, sandblasting or chemical converters. Compo Anticoat 1 is able to penetrate residual rust, but a thick layer of oxides reduces adhesion and can lead to peeling of the coating under its own weight.
☑️ Body preparation checklist
After cleaning, the surface must be degreased using solvents such as white spirit or specialized degreasers. This removes oil residues, tar stains and silicones that can prevent the polymer from adhering to the metal. Drying the surface with compressed air helps expel water from hard-to-reach places and speeds up the preparation process.
| Preparation stage | Tools | Goal |
|---|---|---|
| Washing | High pressure washer, brush | Removing major dirt and salt |
| Mechanical stripping | Wire brush, scraper | Removing loose rust |
| Degreasing | Rags, solvent | Removes oils and improves adhesion |
| Drying | Compressor, heat gun | Removing moisture from pores and crevices |
Material application technology
Application Compo Anticoat 1 can be done by brush, roller or pneumatic sprayer. For treating large areas of the bottom and arches, the most effective method is air spraying, which allows you to create a uniform layer without streaks or gaps. The pressure in the sprayer must be adjusted in accordance with the manufacturer's recommendations, usually it is 4-6 atmospheres.
When working with a sprayer, it is important to maintain the distance to the surface (about 30-40 cm) and the angle of inclination of the torch. The composition is applied in two layers: the first layer can be thinner to ensure penetration into micro-irregularities, and the second creates the main protective film. Between layers it is necessary to maintain a technological pause for partial polymerization, the time of which depends on the ambient temperature.
⚠️ Attention: Do not apply too thick a layer of material in one pass, this can lead to the formation of bubbles and the lower layers taking a long time to dry.
To treat hidden cavities, special lance attachments with radial spraying are used. They allow you to evenly cover the internal surfaces of the side members and sills, where it is impossible to reach visually. Compo Anticoat 1 due to its thixotropy, it is well distributed inside cavities, creating a continuous protective coating.
Tip: To improve penetration into hidden cavities, you can slightly warm the container with the composition in warm water before use, but not above 30 degrees.
Drying and curing time
Drying speed Compo Anticoat 1 directly depends on the air temperature and the thickness of the applied layer. At a temperature of +20°C and normal humidity, a surface film is formed within 1-2 hours, which allows you to carefully operate the car. However, complete polymerization and development of final strength take a longer time, usually from 24 to 48 hours.
During the cold season or high humidity, the drying process can slow down significantly. In such conditions, it is recommended to use heat guns or infrared heaters to accelerate the evaporation of moisture and activate polymerization. It is important to prevent water from coming into contact with the freshly applied coating during the first 12 hours.
After complete polymerization, the material becomes inert to most chemicals and does not stick to dust. You can check the readiness of the coating by simply pressing your finger in an inconspicuous place: if there are no marks left and the surface is hard, the car is ready for active use. Compo Anticoat 1 continues to gain final hardness over several days.
The main thing: Full operational readiness occurs after 24 hours, but it is recommended to wash the car under pressure no earlier than after 7 days.
Safety precautions when working
Although Compo Anticoat 1 It is a safe material and standard precautions must be taken when handling it. The solvent vapors contained in the composition can cause dizziness if inhaled for a long time in a confined space, so work should be carried out in a ventilated area or outdoors.
If the product gets on your skin, it is recommended to immediately wash it off with soap and water or wipe it with a cloth soaked in solvent. Contact with eyes requires immediate rinsing with plenty of water and seeking medical attention. The use of safety glasses and gloves is a mandatory safety requirement.
- 🧤 Use nitrile or rubber gloves to protect your hand skin.
- 😷 Use a respirator with a carbon filter when working indoors.
- 👓 Protect your eyes with glasses from accidental splashes.
- 🌬️ Provide forced ventilation of the workplace.
The material should be stored in a tightly closed container at a temperature of -30 to +30 degrees Celsius, away from open flame sources. Despite the low flammability after drying, the uncured composition contains flammable components. Compliance with storage rules ensures that the properties of the material are preserved throughout the entire shelf life.
Is it possible to apply Compo Anticoat 1 to rust?
Yes, the material can be applied to residual dense rust as it contains corrosion inhibitors and is highly penetrating. However, the loose, swollen layer of oxides must be removed mechanically, otherwise the coating may peel off along with the rust.
Does the composition need to be diluted before use?
No, Compo Anticoat 1 It is supplied ready-to-use and does not require dilution with solvents. Adding solvents can upset the balance of components and impair the protective properties of the coating. If the composition thickens during storage, it can be carefully mixed, but not diluted.
Is the material compatible with other anticorrosive materials?
The material is compatible with most bitumen and polymer anticorrosives if they are in good condition. Before application, it is recommended to do a compatibility test on a small area. Apply to oil-based anticorrosives Compo Anticoat 1 not recommended without thorough degreasing as adhesion may be weak.
How to remove Compo Anticoat 1, if necessary?
After complete polymerization, the material is removed mechanically (scraper, brush) or using special removers for polymer coatings. In an uncured state, it can be removed with a rag soaked in white spirit or solvent.