Cerakote Mixing Calculator

Professional Tools for Serious Applicators

Ensure a perfect, durable finish every time by getting your ratios right. This cerakote mixing calculator provides precise measurements for both coating and catalyst by volume.

For a perfect mix, combine the following amounts:

Visual Ratio: Cerakote (Blue) vs. Catalyst (Green)

What is a cerakote mixing calculator?

A cerakote mixing calculator is a specialized tool designed to eliminate guesswork when preparing Cerakote ceramic coatings for application. Cerakote is a two-part coating, meaning it consists of the color coating itself and a chemical hardener, or catalyst. These must be mixed in a precise ratio to trigger the chemical reaction that leads to a hard, durable, and properly cured finish. Failure to achieve the correct ratio can result in a tacky finish, poor durability, or incorrect gloss levels. This calculator automates the math, ensuring you get factory-recommended precision for every project, from small firearm components to large automotive parts.

The Cerakote Mixing Formula Explained

The calculation is based on a simple volumetric ratio. The ratio (e.g., 18:1) signifies how many parts of coating are needed for every one part of catalyst. Our cerakote mixing calculator uses the following formulas:

• Total Parts = Ratio Number + 1
• Volume per Part = Total Desired Volume / Total Parts
• Catalyst Volume = Volume per Part
• Coating Volume = Volume per Part * Ratio Number

Variable Explanations

Variable	Meaning	Unit (Auto-Inferred)	Typical Range
Total Desired Volume	The final amount of sprayable liquid you want.	mL or fl oz	5 – 500
Ratio Number	The “coating” part of the ratio (e.g., 18 in 18:1).	Unitless	12, 18, 24
Coating Volume	The calculated amount of Cerakote color to use.	mL or fl oz	Dependent on inputs
Catalyst Volume	The calculated amount of hardener to use.	mL or fl oz	Dependent on inputs

For more details on application, see our Cerakote application guide.

Practical Examples

Example 1: Small Project (Pistol Slide)

You’re coating a pistol slide and need about 25 mL of sprayable material using H-Series Cerakote.

• Inputs: Total Volume = 25 mL, Ratio = 18:1
• Results:
  • Catalyst Amount: 1.32 mL
  • Cerakote Amount: 23.68 mL

Example 2: Medium Project (Rifle Chassis)

You’re coating a rifle chassis and want a very flat finish using Elite Series Cerakote. You estimate you’ll need 4 US Fluid Ounces.

• Inputs: Total Volume = 4 fl oz, Ratio = 24:1
• Results:
  • Catalyst Amount: 0.16 fl oz
  • Cerakote Amount: 3.84 fl oz

Understanding the right how to mix Cerakote is crucial for these different applications.

How to Use This cerakote mixing calculator

Using the calculator is a straightforward process designed for accuracy and speed:

1. Select Mix Ratio: Choose the ratio recommended by Cerakote for your specific product series and desired finish (e.g., 18:1 for H-Series standard gloss).
2. Enter Total Volume: Input the total volume of mixed coating you need to complete your project. It’s wise to mix slightly more than you think you’ll need.
3. Select Unit: Pick your preferred unit of measurement, either milliliters (mL) or US fluid ounces (fl oz). The calculator handles all values in the selected unit.
4. Review Results: The calculator instantly provides the exact amounts of Cerakote coating and catalyst to mix. The visual bar also updates to show the proportions.
5. Copy or Reset: Use the “Copy Results” button to save a text summary to your clipboard for easy reference. Use “Reset” to return to the default values for a new calculation.

Key Factors That Affect Cerakote Mixing

While the ratio is the most critical factor, several other elements can influence your project. Many of these relate to the Cerakote catalyst amount and its reaction.

• Cerakote Series: H-Series and Elite (E-Series) have different standard ratios (18:1 vs 24:1). Always check the bottle.
• Desired Gloss Level: You can adjust the ratio slightly to alter the final sheen. More catalyst (e.g., 12:1) typically results in a higher gloss, while less catalyst (24:1) produces a flatter, more matte finish.
• Measurement Method: This calculator uses volume. Mixing by weight is an alternative, often considered more precise, and requires a high-precision scale. The official Cerakote site has a calculator for mixing by weight.
• Ambient Temperature and Humidity: High heat can shorten the pot life (the time you have to spray before it hardens). Work in a controlled environment.
• Thorough Mixing: Once measured, the two parts must be agitated or stirred thoroughly to ensure the catalyst is evenly distributed. Incomplete mixing is a primary cause of failure.
• Straining: Always strain your mixed Cerakote through a fine mesh filter (100 to 325 mesh, depending on the series) before it enters the spray gun to remove any clumps or impurities.

Frequently Asked Questions (FAQ)

1. What happens if I use the wrong Cerakote mixing ratio?

An incorrect ratio compromises the chemical cure. Too much catalyst can make the finish brittle and prone to cracking. Too little catalyst can leave the finish soft, tacky, and not durable.

2. Can I store mixed Cerakote?

No. Once the catalyst is added, a chemical reaction begins. Cerakote has a limited pot life, typically a few hours. You must use it within this window. Only mix what you plan to spray immediately.

3. Should I mix by volume or by weight?

Mixing by volume is the traditional method and is sufficient for most projects. Mixing by weight is more accurate if you have a precise gram scale, as it eliminates variations from trying to read lines on a graduated cylinder.

4. Why are there different ratios like 18:1 and 24:1?

Different Cerakote product lines (like H-Series and Elite Series) have different formulations requiring unique ratios for optimal performance. The ratio also influences the final gloss level of the finish.

5. Is a cc the same as a mL?

Yes. A cubic centimeter (cc) is equivalent to a milliliter (mL). The terms are interchangeable for measuring volume.

6. How accurate do my measurements need to be?

Very accurate. Cerakote’s performance depends on a precise chemical reaction. Use graduated cylinders or syringes for liquid measurement, and do not eyeball the amounts. A good cerakote mixing calculator is your first step to success.

7. Does temperature affect the mixing ratio?

The ratio itself does not change, but temperature affects the “pot life” of the mixed product. Higher temperatures will cause the mix to cure faster in your spray gun cup.

8. Can I mix the components in a plastic cup?

It is strongly recommended to use glass or metal mixing containers. Some plastics can react with the solvents in Cerakote, potentially contaminating your mix and ruining the finish.

Related Tools and Internal Resources

Expand your finishing knowledge with our other guides and tools. Proper surface preparation and application are just as important as the perfect mix ratio from a cerakote mixing calculator.