Today, I'd like to focus on Carbon Black N660.
We'll take a closer look at N660 and also compare it to the types we've already discussed — N220, N330, and N550.
*Key Characteristics of Carbon Black N660:
1. Medium Particle Size
-N660 has an average particle size of approximately 65 nm, which is considered mid-range.
-This provides a balanced combination of strength and elasticity in rubber compounds.
2. Low Surface Activity
-Its relatively low surface activity results in excellent processability.
-This makes it easier to disperse and mix within rubber formulations.
3. Flexible Properties
-When used in rubber compounds, N660 contributes to lower hardness and greater flexibility.
-It is ideal for applications where both flexibility and durability are essential.
4. Excellent Abrasion Resistance
-Its high abrasion resistance helps extend the lifespan of rubber products.
*Main Applications of Carbon Black N660:
1. Tires
-Commonly used in tire sidewalls and inner tubes.
-Enhances flexibility and durability while simplifying the manufacturing process.
2. Rubber Components
-Used in products like conveyor belts, hoses, and seals that require durability and elasticity.
3. Plastic Compounds
-Serves as a colorant or filler in certain plastics, providing mechanical strength and thermal stability.
4. Electrical Insulation
-Applied in insulating materials where electrical conductivity is not required.
*Advantages:
-Excellent processability
-Offers balanced performance in rubber products
-Improves durability and abrasion resistance
**Disadvantages:
-Lower reinforcement capability compared to higher-strength grades like N220 or N330
-May not be suitable for highly specialized or high-performance applications
| Characteristic | N220 (High Reinforcement) | N330 (Medium Reinforcement) | N550 (Moderate Performance) | N660 (Low Reinforcement, High Flexibility) |
|---|---|---|---|---|
| Particle Size | Smallest (~20–25 nm) | Small (~30–40 nm) | Medium (~50–60 nm) | Largest (~60–70 nm) |
| Surface Area | Highest (very high activity) | High | Medium | Low (low surface activity) |
| Reinforcement | Highest (high strength & abrasion resistance) | Medium (standard level) | Low | Lowest (low strength, high flexibility) |
| Hardness | Very hard | Moderate | Low | Soft and flexible |
| Elasticity | Low (focused on strength) | Medium | Medium–High | High (high elasticity, low hardness) |
| Dispersibility | Relatively difficult | Average | Good | Easiest |
| Typical Applications | Tire treads, high-performance rubber products | Tire treads, general rubber goods | Tire sidewalls, standard rubber items | Inner tubes, conveyor belts, flexible parts |
*Carbon Black N660 is a commonly used general-purpose filler in rubber and plastic applications, and it presents distinct differences when compared to other grades such as N220, N330, and N550.
The main differences lie in particle size, surface area, reinforcing capability, and elastic properties.
Explanation of Key Differences
1. Elasticity and Flexibility:
-N660 offers high flexibility in rubber products. Unlike N220 or N330, it is ideal for soft products that require low strength, such as tire tubes and hoses.
2. Reinforcement Performance and Hardness:
-N220: With the smallest particle size and highest surface area, it produces the hardest and strongest rubber. Suitable for products demanding high abrasion resistance and tensile strength.
-N660: Has the largest particle size and lowest surface area, resulting in softer and more flexible rubber. Used in applications where elasticity and flexibility are more important than strength.
3. Abrasion Resistance:
-N220 exhibits the best abrasion resistance, while N660 has relatively lower abrasion resistance. N330 and N550 offer moderate performance.
4. Processability:
-N660 disperses easily and offers excellent processability, making it easier to handle in manufacturing. In contrast, N220’s high surface activity makes processing more challenging.
5. Price:
-N660 is the most cost-effective grade, whereas N220 is the most expensive due to its complex manufacturing process and superior performance.
(More details on pricing will be provided in the following section.)
*Summary:
-N660 is suitable for applications requiring low strength and high flexibility, with excellent dispersibility and processability.
-N220 and N330 are mainly used in high-performance products demanding high strength and abrasion resistance.
-N550 has intermediate characteristics between these grades and is used in a variety of applications.
In conclusion, selecting the appropriate Carbon Black grade based on the specific application requirements is essential.
Price Differences by Carbon Black Grade
>The price of Carbon Black is generally influenced by the following factors:
-
Particle Size: Smaller particles require more complex manufacturing processes, leading to higher costs.
-
Manufacturing Process: Different production methods such as Furnace Black or Thermal Black affect the cost.
-
Application and Demand: Products with superior reinforcement properties tend to be more expensive.
Below is a general price comparison for N220, N330, N550, and N660:
Price Comparison (from lowest to highest):
-
N660 (Most Affordable)
-
Larger particle size and lower surface activity reduce manufacturing costs.
-
Mainly used in low-strength, high-flexibility applications and is an economical choice.
-
N550
-
Smaller particle size than N660 with slightly better reinforcement performance.
-
Still relatively affordable.
-
N330
-
Widely used as a standard High Abrasion Furnace (HAF) grade, more expensive than N550 and N660.
-
Medium particle size, suitable for high-strength applications like tire treads.
-
N220 (Most Expensive)
-
Smallest particle size and highest surface area, providing excellent reinforcement.
-
Primarily used in high-strength tire treads and premium rubber products.
-
Highest production cost results in the highest price.
Approximate price ranking:
N660 < N550 < N330 < N220
(Prices increase as you move to the right.)
Application Examples of N660 in Plastic Products
1.Pipes & Tubes:
-N660 is used in agricultural and industrial plastic pipes.
-It acts as a UV stabilizer, helping to extend the service life of these products when exposed to outdoor conditions.
2. Packaging Materials:
3. Plastic Compounds:
Advantages of N660 in Plastics
1.Cost-Effectiveness:
-Provides cost savings in applications where high strength and electrical conductivity are not required.
2. Dispersibility:
-Easily disperses within plastic resins, simplifying the manufacturing process.
3.Durability Improvement:
-Acts as a UV stabilizer, enhancing the durability of products used outdoors.
4. Matte Black Appearance:
-Suitable for products that require a natural and subtle matte black finish rather than a high-gloss black.
Limitations or Drawbacks
Not Suitable for High-Performance Applications:
-It is not appropriate for products requiring high conductivity, extreme strength, or premium gloss finishes.
Limited Reinforcement Effect:
-Its ability to enhance the physical strength of plastic products is limited.
N660 serves as a UV stabilizer, colorant, and filler in plastic products, providing a balance of cost-effectiveness and functionality.
Carbon Black N660 is primarily used in rubber and plastic products across various industries.
Due to its strengths in enhancing flexibility and durability, N660 is mainly applied in the following products:
1. Rubber Products
-Tire Tubes: N660 is used in the manufacturing of tire tubes where flexibility and durability are essential.
-Conveyor Belts: Applied in industrial belts where durability is crucial.
(Please refer to the above photo for images of plastic products.)
http://khanpolymer.com/
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