**How does non-explosive cracking powder work?****Answer:** Non-explosive cracking powder works by expanding when mixed with water and poured into pre-drilled holes in rock or concrete. This expansion generates a controlled fracture, enabling the safe and

09 Aug.,2024

 

If you are looking for more details, kindly visit Sanqiang Building Material.

## Understanding Non-Explosive Cracking Powder.

Non-explosive cracking powder is a significant tool for industries involved in demolition, mining, and the breaking of hard materials like rock and concrete. This powerful agent can break down tough materials safely and quietly without the use of traditional explosives. Here is a step-by-step explanation of how non-explosive cracking powder functions.

### The Principle of Expansion.

#### Initial Preparation.

1. **Drilling Holes**: The first step involves drilling a series of precise holes into the rock or concrete that needs to be broken. The diameter, depth, and spacing of these holes are crucial for achieving optimal results.

2. **Mixing the Powder**: Non-explosive cracking powder, which is typically composed of a mixture of calcium oxide and other proprietary ingredients, is mixed with a specific amount of water. This mixture ratio is essential for ensuring the powder reaches its full potential.

#### Pouring the Mixture.

3. **Filling the Holes**: The water and powder mixture is then poured into the pre-drilled holes. It is important to ensure the mixture is evenly distributed and reaches the bottom of each hole.

### The Expansion Process.

#### Chemical Reaction.

4. **Hydration and Expansion**: Upon mixing with water, the components of the non-explosive cracking powder undergo a chemical reaction. Specifically, calcium oxide reacts with water to form calcium hydroxide. This reaction produces a significant volume of heat.

5. **Volume Increase**: As the chemical reaction progresses, the mixture expands in volume. This expansion generates a considerable amount of pressure (up to several thousand tonnes per square meter) within the holes.

### Controlled Fracturing.

#### Developments of Cracks.

6. **Pressure Build-Up**: The pressure from the expanding mixture increases steadily, filling the holes and exerting force on the surrounding rock or concrete.

7. **Crack Formation**: Eventually, the tensile strength of the rock or concrete is exceeded, causing it to crack along natural fault lines or along lines of weakness created by the drilled holes.

#### Safe and Quiet Operation.

8. **Controlled Breakage**: The beauty of this method is in its precision and safety. The cracks that form are controlled and predictable, as opposed to the random and often violent nature of traditional explosives.

9. **Silent Demolition**: This method is almost silent compared to explosive methods, making it ideal for demolition in urban areas or sensitive environments where noise and shockwave restrictions are a concern.

### Applications and Advantages.

#### Wide Utility.

10. **Versatile Usage**: Non-explosive cracking powder is used in various applications, including breaking boulders, demolishing concrete structures, tunneling, and mining.

11. **Safety and Convenience**: The significant advantages of using non-explosive cracking powder include enhanced safety for workers (due to the absence of flying debris and shockwaves), and legal permissions (since it does not fall under stringent explosive regulations).

### Conclusion.

Non-explosive cracking powder is an innovative solution that revolutionizes the way industries approach the breaking of hard materials. Through the simple yet effective principles of hydration and expansion, this powder provides a controlled, safe, and quiet method for fracturing rocks and concrete without the need for traditional explosives. This technology not only improves operational safety and efficiency but also allows for greater flexibility in various challenging environments.

Read more

Contact us to discuss your requirements of Non Explosive Cracking Powder. Our experienced sales team can help you identify the options that best suit your needs.