Xi'an Hj Herb Biotechnology Co., Ltd. is one of the leading manufacturers and suppliers of black carbon powder in China. The company offers high quality customized products with reasonable price for customers around the world. Welcome to wholesale bulk black carbon powder in stock here from our factory. Contact us for free sample.
Contact us for inquiry and certifications and for free sample. Email:info@hjagrifeed.com
What is Carbon Black?
Carbon black is an amorphous form of carbon, with appearance characteristics of light, loose, and very fine black powder, it is the product of incomplete combustion or heat decomposition of carbon-containing materials (coal, natural gas, heavy oil, fuel oil, etc..) under the condition of insufficient air. Carbon black is of great significance to the tire industry, coating, and ink industry, plastic industry and textile industry, etc.
Carbon black is used as a colorant and reinforcing filler in tires and other rubber products; pigment and wear protection additive in plastics, paints, and ink pigment. It is used in the EU as a food colorant when produced from vegetable matter (E153)
Technical Properties:
|
PURITY |
99.99 % |
|
PARTICLE SIZE |
4 µm |
|
CAS |
1333-86-4 |
|
DENSITY |
1.79 g/cm³ |
|
MELTING POINT |
3500 °C |
|
CRYSTAL STRUCTURE |
Not Available |
|
FORM |
Powder |
|
APPLICATIONS |
Colorants Enamels Fabrics Inks Paints Paints- Primers Pigments Plastics |

Application of Carbon black
Carbon black uses can be found in industries such as rubber goods, plastic, UV protection, and conductive material pigments including paints, inks, coatings, and tires.
- Tires: This is the most common use in the manufacture of tires. Carbon black structure provides possibilities such as a reinforcing agent in tires, providing strength and durability to the rubber. It also improves the abrasion resistance of tires and helps to protect them from UV radiation.
- Rubber goods: It is used in the manufacture of other rubber goods such as hoses, belts, and seals.
- Pigment: It is also used as a pigment in many industrial and consumer goods, including inks, paints, and plastics, providing a wide range of colors to choose from.
- Conductive material: Carbon black is used as an electrically conductive agent in batteries, electronic devices, and other applications where a high level of conductivity is needed.
- UV protection: Carbon black is used in UV-absorbing applications such as sunscreen, to protect plastics and other materials from UV rays.
What are the advantages of Carbon black?
Carbon black is a black powder produced by the thermal decomposition of coal. Carbon black is used as a pigment, in paint and plastics. It is also a major component in the production of other carbon-based materials such as graphite and activated carbon. Carbon black is a black lumpy powder or granule used as a pigment and an additive in many products to give them coloring. They are used mainly in the production of paper, paint, rubber products, printing ink and other synthetic products, cosmetics, sealants, creams, fillers, Advantages of using carbon black: Carbon black can be used in many applications. It is an easy to use, safe and environment friendly product.
Carbon black Industry Benefits
- Strength and Durability: Carbon black is primarily used as a reinforcing filler in rubber products, especially in tires. It enhances the strength, durability, and longevity of rubber, making it more resistant to wear and tear.
- UV Protection: Carbon black provides protection against ultraviolet (UV) radiation by absorbing and dissipating the UV light. This property is useful in products like plastics and coatings, which are exposed to sunlight, as it helps prevent degradation and prolongs their lifespan.
- Conductivity: Carbon black can increase the electrical conductivity of materials. It is used in electronics and electrical applications, such as batteries, cables, and conductive coatings, where improved conductivity is needed.
- Pigmentation: It is a common black pigment used in paints, inks, and coatings, providing a deep, rich color. Its pigmentation properties also contribute to high coverage and color consistency in these products.
- Thermal Stability: Carbon black has excellent thermal stability, making it useful in applications where high heat resistance is essential, such as in insulating materials and high-temperature seals.
- Cost-effectiveness: As a widely available and relatively inexpensive material, carbon black is a cost-efficient additive used in many products to improve their performance without significantly raising production costs.
- Improved Processing: In manufacturing processes, carbon black enhances the dispersion and mixing of other components, leading to better overall product quality and consistency.

Structure of Carbon Black
- Physically, the carbon blacks are organized in three structural levels:
- Primary particles characterized by sizes ranging from 10 to 500 nm.
- Aggregates of particles characterized by size ranging from 40 to 600 nm.
- Agglomerates of aggregates.
Chemically, carbon blacks are more or less pure carbon as shown in table below.
|
Chemicals |
Channel |
Furnace |
Thermal |
|
Carbon, % |
96 |
98 |
99 |
|
Oxygen, % |
3 |
<1 |
Negligible |
|
Hydrogen, % |
0.5 |
<0.4 |
0.4 |
|
Sulphur, % |
<0.1 |
0.5 to 1.8 |
<0.05 |
Carbon Blacks: Chemical Analysis Examples
Already during the production process, aggregates are being formed from the primary particles. The structure of the carbon black is determined by:
- How the aggregates are shaped, and
- The level of branches in the aggregates.
Structure of Carbon Black
High-structured aggregates give improved dispersibility and increased viscosity. On the other hand, they will affect the blackness with several important in-rubber properties.
|
Influence on Properties |
Particle Size |
Structure |
|
Viscosity |
↑ |
↑ |
|
Hardness |
↑ |
↑ |
|
Modulus |
- |
↑ |
|
Elongation at Break |
↓ |
↓ |
|
Swelling after Extrusion |
- |
↓ |
|
Dispersibility |
↓ |
↑ |
|
Impact Resilience |
↓ |
- |
|
Tensile Strength |
↑ |
Company Qualifications and Certificates
Hjherb Biotech Certificates
At HJHERB Biotechnology, we are committed to providing specialized nutraceutical and functional benefits to nutraceuticals, Pet food, and organic agriculture. we pride ourselves on our science-based, solution-focused approach to animal feed. Our ISO 9001 certification ensures that we conform to world-class standards, guaranteeing consistent quality and stable compounds. We have a professional staff of natural product chemists, pharmacognosists, microbiologists, and herbalists who work tirelessly to ensure that we deliver quality products to our customers.

HJHERB biotech factory
We take pride in our rigorous research and development process, which focuses on sourcing the finest natural ingredients to create innovative and effective Carbon Black. Our team of experts works tirelessly to ensure that our products meet the highest standards of quality, safety, and efficacy. We conduct extensive research to find new and innovative ways to enhance animal health and productivity while reducing the environmental impact of animal agriculture.
Xi'an HJ HERB Biotechnology Co., Ltd. manufactures and supplies over 500 natural ingredients for the animal nutrition, agriculture, and industrial industries. Our product range includes natural feed additives, botanical pesticide additives, natural fertilizers additives, and botanical extracts for poultry, swine, ruminants, aquaculture, pet food, and crop nutrition.
With over 15 years of manufacturing experience, we have established a fully integrated production system that covers raw material sourcing, industrial manufacturing, quality testing, and final product packaging.

HJHERB biotech LAB
HJHERB biotech company controls all stages of research development, industrial manufacturing, testing, application laboratories, and quality assurance processes. Our analytic chemists use advanced detection methods such as HPLC, UV, TLC, and Microbiology to guarantee botanical quality, integrity, and purity. We are dedicated to providing the Carbon Black with caring and dedicated customer service and support. Our team appreciates your trust in our products, and we look forward to our continued success together. Please contact us for any additional information, technical documents, price quotations, samples, or any other assistance you may require.

HJHERB biotech Team
We believe that by promoting animal health and reducing environmental impacts, we can create a brighter future for the livestock and aquaculture industry. Our commitment to providing eco-friendly, high-quality solutions to our customers is rooted in our passion and care for animals. Our team is always ready to provide technical support, answer your questions, and provide customized solutions for your business.

Our warehouse
HJ HERB maintains a well-organized warehouse with sufficient inventory to support fast order processing and reliable global distribution. Our warehouse follows strict storage and inventory management practices to preserve product quality, stability, and traceability. With efficient logistics and flexible stock management, we can fulfill both small and bulk orders while ensuring timely delivery for customers worldwide.

Package
Carbon Black: packaged in multi-layer kraft paper bag with food grade PE inner bag, net 25kg/bag. (Other packaging types are available on requests)
Shelf life
Carbon Black: 24 months.
Storage conditions
Carbon Black should be stored in airtight container in a cool and dry place below 40℃ and relative humidity less then 70%. product should be reevaluated if it exceeds expiration date.

Where to buy Carbon Black?
Wholesale Carbon Black in china, welcome to contact our factory. factory price. R&D capabilities. reliable supplier. 7*24 professional service. delivery on time.
Request Samples, Pricing & Technical Documents
Looking for a reliable Carbon Black manufacturer with competitive factory pricing and dependable global supply? HJHERB BIOTECH provides high-purity veterinary-grade Ivermectin Powder for pharmaceutical manufacturers, distributors, and animal health companies worldwide.
We offer 10–30 g free samples for product evaluation, flexible bulk supply, OEM manufacturing, private labeling, and customized packaging. To support fast order fulfillment, we maintain inventory in our US warehouse and provide complete technical documentation, including COA, MSDS, product specifications, and third-party test reports with every order.
Whether you need a long-term manufacturing partner or a trusted bulk supplier, our experienced team is ready to provide competitive quotations, technical support, and customized solutions for your business.
To add this branded ingredient to your final product. Email: info@hjagrifeed.com
FAQ
Q1: What is Carbon Black?
A1: Carbon Black is a fine, amorphous black powder composed primarily of carbon. It is produced through the incomplete combustion or thermal decomposition of carbon-containing materials under conditions of insufficient air. Carbon Black is widely used as a colorant, reinforcing filler, UV-protection additive, and conductive material in industrial applications.
Q2: What is the appearance of Carbon Black?
A2: Carbon Black is typically a light, loose, and very fine black powder. Its fine particle structure allows it to disperse into materials such as rubber, plastics, paints, coatings, and printing inks.
Q3: What is the purity of Carbon Black?
A3: The Carbon Black specification provided has a purity of 99.99% , making it suitable for applications that require a high-purity black carbon material.
Q4: What is the particle size of Carbon Black?
A4: The specified particle size is 4 µm . Particle size is an important property because it can influence dispersion, color strength, viscosity, and other performance characteristics in different formulations.
Q5: What is the CAS number of Carbon Black?
A5: The CAS number provided for Carbon Black is 1333-86-4 .
Q6: What is the density of Carbon Black?
A6: The specified density is 1.79 g/cm³ . Density is one of the technical parameters that manufacturers may consider when designing and processing Carbon Black-containing formulations.
Q7: What are the main applications of Carbon Black?
A7: Carbon Black is used in a wide range of industries, including rubber products, tires, plastics, paints, coatings, printing inks, pigments, fabrics, enamels, UV-protection materials, and conductive applications.
Q8: Why is Carbon Black used in tires?
A8: Carbon Black is widely used as a reinforcing filler in tires. It can improve the strength, durability, and abrasion resistance of rubber while also contributing to protection against UV radiation. Its reinforcing properties help improve the performance and service life of tire compounds.
Q9: Can Carbon Black be used in other rubber products?
A9: Yes. Carbon Black can be used in rubber products such as hoses, belts, seals, and other rubber components. It acts primarily as a reinforcing filler and can contribute to strength, durability, and wear resistance.
Q10: How is Carbon Black used as a pigment?
A10: Carbon Black is a widely used black pigment in paints, coatings, printing inks, plastics, and other products. It can provide deep black coloration, high coverage, and consistent pigmentation when properly dispersed.
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