2K spray cans

2K Spray Cans

2K spray cans are two-component aerosols that contain paint, primer or clear coat plus a separate hardener. Once activated, they cure chemically for a tougher, more durable finish than standard 1K aerosols.

Choose from 2K clear coat, primer and colour aerosols for professional refinishing, workshop use and high-end DIY repairs. These aerosols are suitable for users who want strong durability, good resistance and a professional finish without using a spray gun.

• Better durability than 1K: Designed for harder-wearing repairs and refinishing work.
• Resistant finish: Many 2K products offer strong resistance to petrol, chemicals, UV and wear.
• Suitable for repairs: Ideal for spot repairs, panel work, alloy wheels, motorcycles and metal parts.
• Available by application: Choose 2K primer, 2K colour or 2K clear coat.

What are 2K spray cans?

2K spray cans are aerosols with a two-component system. The coating and hardener are stored separately inside the can until the aerosol is activated.

After activation, the hardener mixes with the paint, primer or clear coat. The product then cures chemically, creating a harder and more resistant finish than a standard 1K aerosol, which mainly dries by solvent evaporation.

2K aerosols are commonly used for car panel repairs, alloy wheels, motorcycles, machinery, metal parts and restoration work. Use 2K when you need a harder-wearing finish than a standard aerosol can offer.

Browse our spray paints and 2K car paint spray categories for the right product type.

Why choose 2K instead of 1K?

1K aerosols air-dry by solvent evaporation. 2K aerosols cure chemically with a hardener, which creates a tougher and more durable coating.

2K is usually the better choice when durability and resistance matter most. It offers stronger petrol resistance, chemical resistance, UV stability, scratch resistance and gloss retention than many 1K systems.

1K can still be suitable for lighter-duty jobs, simple cosmetic repairs or temporary applications. If you want a longer-lasting finish on a car, wheel or metal part, 2K is usually worth the extra step.

Which 2K spray can do I need?

Choose 2K clear coat for protection and gloss

Choose 2K clear coat when you need a durable transparent topcoat over basecoat, colour paint or refinished parts. It adds gloss, protection and resistance to fuel, chemicals, UV and weathering.

Choose 2K colour for a durable topcoat

Choose 2K colour aerosol for solid direct gloss finishes where durability is important. This is suitable for spot repairs, loose parts, metal components and prepared automotive surfaces.

Choose 2K primer for adhesion, filling or corrosion protection

Choose a 2K primer spray can when you need a strong base layer before paint. Depending on the product, 2K primer can improve adhesion, fill sanding marks or add corrosion protection on prepared substrates.

Choose the right finish level

High gloss is suitable for a deep, shiny finish. Satin gives a softer OEM-style sheen, while matt creates a lower-gloss custom look. Always choose the finish based on the final appearance you want and the paint system you are using.

View high gloss clear coat, satin clear coat and matt clear coat for different finish options.

Where can you use 2K spray cans?

2K spray cans are suitable for professional and serious DIY use where the surface is properly prepared. They are often used on metal and refinishing jobs that need a durable finish.

• Spot repairs: Small paint repairs and localised damage.
• SMART repairs: Bumpers, trims, mirror caps and small panel areas.
• Alloy wheel refinishing: Durable coating systems for wheel repairs.
• Engine bay parts: Brackets, covers and prepared metal parts.
• Motorcycle parts: Tanks, fairings and loose components.
• Machinery and metal parts: Workshop, industrial and restoration applications.

2K aerosols can be used for repairs on Volkswagen, BMW, Audi, Mercedes-Benz and Toyota vehicles, as well as restoration work on Jaguar, Land Rover and MINI projects. Some plastics require a plastic primer or adhesion promoter before coating.

Prepare surfaces with epoxy primer, degreasers and sanding materials.

How does a 2K spray can work?

A 2K aerosol contains a hardener stored separately inside the can. When the can is activated, the hardener is released and mixes with the paint, primer or clear coat.

After activation, the chemical curing process begins. This is different from simple drying, because the product hardens through a chemical reaction as well as solvent evaporation.

Pot life is limited after activation and depends on the product. Always check the label or technical data sheet before use, and only activate the aerosol when the surface is prepared and ready to spray.

Compare brand options from CROP, SprayMax and Colormatic.

How to use a 2K spray can

1. Clean and degrease the surface to remove dirt, grease, silicone and contamination.
2. Sand and mask the area so the surface is ready for paint, primer or clear coat.
3. Shake the aerosol well before activation.
4. Activate the hardener according to the instructions on the can.
5. Shake again for at least 2 minutes so both components mix properly.
6. Apply 2 to 3 light coats with the correct flash-off time between coats.
7. Allow the coating to cure fully before handling, polishing or exposing it to heavy use.

Spray distance, temperature, flash-off time and coat build can vary by product. Always check the product sheet before spraying.

Thin, even coats usually give a better result than one heavy coat. Prepare your job with degreasers, sandpaper, masking tape and spray accessories.

Safety when using 2K aerosol paint

Many 2K aerosols may contain isocyanates or other hazardous substances, depending on the product. Always read the label, technical data sheet and safety data sheet before use.

Use suitable PPE, including a respirator suitable for paint vapours, gloves and eye protection. Work in a well-ventilated spray area and avoid spraying 2K products casually in an unprotected indoor space.

Browse respirators and PPE before starting your project.

Shop 2K spray cans by brand and application

At NonPaints.com, you can choose from 2K spray cans by CROP, SprayMax and Colormatic. Each brand offers options for refinishing, repair and restoration work.

• CROP 2K spray cans: Suitable for custom colour options, clear coat, primer and durable refinishing jobs.
• SprayMax 2K spray cans: Known for fine atomisation and OEM-style finishes in automotive repair.
• Colormatic 2K aerosols: Suitable for users who want reliable curing and professional application options.

This category includes clear coat, colour and primer aerosols for repairs, refinishing and restoration. If you are unsure which 2K aerosol you need, choose by substrate, finish level and whether you need primer, colour or clear coat first.

For custom colours, view our custom mixed paint aerosols.

Buy 2K spray cans from CROP

Buy 2K spray cans from CROP and choose from two-pack aerosols for primer, colour, clear coat and protective coatings. At NonPaints.com, you can find products for car repairs, alloy wheels, motorcycles, machinery, restoration projects and professional refinishing.

Need help selecting the right 2K aerosol? Our product specialists can advise you based on the surface, paint system, finish and durability you need.