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2K putty

  • U-POL Metalik 2K Aluminium Putty 600ml + Hardener
    10% discount
    Regular Price €14.96 €14.96 Special Price €13.46 €13.46
  • U-POL Plastic Putty - Tube 100ml
    10% discount
    Regular Price €10.60 €10.60 Special Price €9.54 €9.54
  • U-POL DOLPHIN Glaze 2K Finishing Putty 440ml + Hardener
    10% discount
    Regular Price €18.14 €18.14 Special Price €16.33 €16.33
  • U-POL P40 Filling Putty for Holes - Tube 100ml
    10% discount
    Regular Price €8.34 €8.34 Special Price €7.51 €7.51
  • U-POL P38 Universal Car Putty - Tube 100ml
    10% discount
    Regular Price €7.91 €7.91 Special Price €7.12 €7.12
  • U-POL EXPERT Glaze 2K Fine Putty + Reflow 800ml
    10% discount
    Regular Price €17.36 €17.36 Special Price €15.62 €15.62
  • U-POL PLAST-X 2K Plastic Putty BLACK 600ml
    10% discount
    Regular Price €18.41 €18.41 Special Price €16.57 €16.57
  • U-POL Fibral Lite 2K Fiberglass Putty 1 liter + Hardener
    10% discount
    Regular Price €24.95 €24.95 Special Price €22.46 €22.46
  • U-POL DOLPHIN Speed Glaze 2K Finishing Putty 440ml
    10% discount
    Regular Price €20.50 €20.50 Special Price €18.45 €18.45
  • U-POL EXPERT MULTI 2K Putty 1,1 liter
    10% discount
    Regular Price €16.30 €16.30 Special Price €14.67 €14.67
  • U-POL DOLPHIN Multi-Advance 2K Putty 1,5kg + Hardener
    10% discount
    Regular Price €18.14 €18.14 Special Price €16.33 €16.33
  • U-POL DOLPHIN Multi 2K Putty 1,8kg + Hardener
    10% discount
    Regular Price €15.42 €15.42 Special Price €13.88 €13.88
  • U-POL DOLPHIN Multi-Deep 2K High-Filling Putty 1.5kg + Hardener
    10% discount
    Regular Price €18.14 €18.14 Special Price €16.33 €16.33
  • CROP 2K Car Putty PRO 750ml + Hardener
    Premium Quality
    (1)
    €19.01 €19.01
  • CROP 2K Polyester Putty 750ml + Hardener
    Premium Quality
    (3)
    €10.33 €10.33
  • CROP 2K Fiberglass Putty 750ml + Hardener
    Premium Quality
    (1)
    €10.33 €10.33
  • CROP 2K Wood Putty BEIGE - Can 750ml
    Premium Quality
    (3)
    €9.50 €9.50
  • CROP 2K Black Putty + Hardener
    Premium Quality
    (8)
    €12.40 €12.40
  • CROP 2K Metal Putty 750ml + Hardener
    Premium Quality
    (1)
    €20.66 €20.66
  • CROP 2K Polyester Resin Fiberglass Repair Kit 125ml
    Premium Quality
    (3)
    €10.33 €10.33
  • CROP 2K Fiberglass Putty 125ml + Hardener
    Premium Quality
    (1)
    €4.55 €4.55
  • CROP 2K Renovation Paste 1,5kg
    Premium Quality
    (2)
    €13.18 €13.18
  • CROP 2K Polyester Putty 1,3 liter + Hardener
    Premium Quality
    (2)
    €16.49 €16.49
  • CROP 2K Wood Putty BROWN - Can 750ml
    Premium Quality
    (4)
    €9.50 €9.50

2K Filler for Professional Repairs and Restoration

2K Filler is a professional filler consisting of two components: a base filler and a hardener. Mixing these two components triggers a chemical reaction that causes the filler to cure quickly and become very strong. 2K filler is known for its high filling power, strong adhesion, rust resistance, and durability. 2K filler is widely used in the auto repair industry, industry, and professional painting jobs. The filler is suitable for repairing larger damages such as deep scratches, dents, cracks, and holes. Once the filler has fully cured, it can easily be sanded to a smooth surface that is ready for primer and paint.

When do you use two-component filler?

2K filler is used when a repair requires more filling power and strength than a standard filler can provide. A two-component based filler is ideal for repairing larger damages and leveling surfaces with deeper dents or cracks. Because the 2K filler is very strong and durable after curing, it is often used in auto body repair, bodywork, and metal repairs. It also provides excellent adhesion on materials such as wood, aluminum, plastic, and fiberglass. Thanks to the strong structure, you can repair larger irregularities and then sand the surface perfectly smooth before proceeding with primer, paint, or varnish.

Using 2K filler on wood

Using 2K filler on wood is ideal for repairing cracks, holes, and damages in wooden surfaces. The combination of filler and hardener creates a strong and durable filling that adheres excellently to wood. Therefore, two-component filler is perfect for repairing wooden doors, frames, furniture, and other wooden components. After curing, the filler is easy to sand and repaint, giving you a smooth and even surface. Thanks to the rapid curing and high hardness, 2K filler on wood is widely used by professional painters and craftsmen.

What Makes 2K Filler Unique

What makes 2K filler unique compared to other fillers is the chemical curing that occurs by mixing the filler and hardener. This creates a very strong filler that is resistant to various influences. One of the most important properties is the extremely high filling power. This allows you to easily fill deep damages without the filler sagging or shrinking. Additionally, 2K filler has excellent adhesion on various materials such as steel, aluminum, plastic, and fiberglass. Many 2K fillers also offer protection against rust and moisture, making them ideal for metal repairs. After curing, a hard but slightly elastic layer is formed that is easy to sand and forms a perfect base for further finishing.

The Benefits of 2K Filler

A 2K filler offers several benefits when you want to professionally restore a surface. Due to the chemical curing, a very strong and durable repair is created that can withstand heavy loads. Professionals therefore often choose two-component filler when they want to perform a repair that lasts long and can be perfectly finished. Thanks to the high filling power, you can easily repair larger damages without having to use multiple products. The main benefits of 2K filler are:

  • Very high filling power: Ideal for filling deep scratches, holes, and dents.
  • Strong adhesion on various materials: Adheres excellently to metal, aluminum, wood, plastic, and fiberglass.
  • Resistant to moisture and chemicals: Many 2K fillers are waterproof and resistant to gasoline, oil, and other liquids.
  • Rust-resistant properties: Helps protect metal against corrosion.
  • Professional and durable result: After curing, a strong base for primer and paint is formed.

How to Use 2K Filler?

To achieve the best result, it is important that you use 2K filler correctly. Since this filler cures through a chemical reaction, you should always first mix the correct amount. Preferably follow this step-by-step plan:

  1. Clean and degrease the surface thoroughly before you start.
  2. Sand the substrate lightly for optimal adhesion.
  3. Mix the filler with the hardener according to the correct mixing ratio.
  4. Apply the filler with a putty knife or filler rubber.
  5. Spread the filler smoothly and evenly over the damage.
  6. Allow the filler to fully cure according to the drying time.
  7. Sand the surface smooth for a perfectly even result.

After this, the surface is ready for primer and paint finishing.

Mixing Ratio of 2K Filler

When using 2K filler, the correct mixing ratio is essential for a good final result. The filler cures through a chemical reaction between the base filler and the hardener. If this ratio is incorrect, the filler may dry too slowly, cure too quickly, or not fully cure. In most cases, the standard mixing ratio is between 2% and 3% hardener relative to the amount of filler. This means that you only need to add a small strip of hardener for a small amount of filler. Always mix the filler on a special filler mixing board and ensure that the hardener is fully mixed through the filler. Only prepare the amount you will use immediately, as the filler begins to cure after mixing.

Tips from the Filler Specialist

To get the most out of your 2K filler, our specialists offer a number of practical tips:

  • Always mix small amounts of filler to avoid waste.
  • Use a clean mixing board so that dirt does not affect the curing.
  • Apply filler in multiple thin layers instead of one thick layer.
  • Sand the substrate well in advance for optimal adhesion.
  • Work quickly after mixing because the filler begins to cure immediately.

With these tips, you ensure that your repair is strong, smooth, and professional.

Buy 2K Filler at CROP

Do you want to buy 2K filler of professional quality? At CROP, you will find an extensive range of two-component fillers for every repair. We supply 2K filler from top brands such as U-POL, 3M, FINIXA, Evercoat, MIPA, and our own CROP Premium brand. Whether you want to fill a car, level metal, or perform a professional repair: at CROP, you will always find the right filler for your job. Our product specialists are happy to help you choose the right filler and application. If you order your 2K filler today at CROP? Ordered before 23:59, delivered tomorrow. This way, you can quickly get started with a smooth and durable result.

Frequently Asked Questions

Is putty heat-resistant?

Yes, 2K putty are often heat-resistant, making them suitable for applications in the automotive industry. However, be sure to check the product specifications, as heat resistance may vary depending on the brand and type of putty.

How to use two-component putty?

To use two-component putty, begin by properly preparing the surface. Mix the putty and hardener in the correct ratio. Apply the mixture evenly with a putty knife in a smooth layer. Work quickly, as the putty will start to harden fast. Let it dry completely and then sand it smooth for a perfect finish.

What is the best two-component putty?

The best two-component putty depends on your specific needs, but a popular choice is the CROP 2K putty. This putty offers excellent adhesion, is easy to work with, and provides a smooth finish.

How long should 2-component putty dry?

The drying time for 2-component putty varies, but it is generally recommended to wait at least 30 minutes to an hour before proceeding with sanding or painting. For optimal curing, it can take up to 24 hours, depending on the ambient temperature and humidity.

How much hardener to use with putty?

For 2K putty, you typically use between 2% and 5% hardener, depending on the product instructions. Make sure to mix thoroughly for optimal curing and adhesion.

Which putty is best for cars?

The best putty for cars is 2K putty. It provides excellent adhesion and durability, making it ideal for filling scratches and dents. With 2K putty, you create a strong base that's perfectly ready for painting.

Can you put putty on rims?

Yes, you can putty rims, but use a metal putty that is suitable for aluminium or steel and is resistant to vibration and weathering. After puttying, you should sand, prime and paint the rims well for a durable finish.

Is the hardener included with the putty?

Yes, when purchasing 2K putty, the hardener tube is typically included.

What to use for car puttying?

For car puttying, you need a good 2K putty, such as polyester putty, which you mix with a hardener for a strong and durable finish. Make sure you also have the right tools, such as a putty knife and sandpaper, for a perfect finish. Don’t forget to properly prepare the surface—cleaning and degreasing are crucial for optimal adhesion.