Indicators
I. Company Profile
 
Qingdao Kanglong Graphite Co., Ltd. is located in Nanshu, Laixi City—a renowned “Graphite Capital” both domestically and internationally—on the picturesque and temperate Jiaodong Peninsula. The Lanyan Railway lies 40 kilometers to the south, while the Wulai and Tongsan Expressways converge just 30 kilometers away, ensuring highly convenient transportation.
Established in 2003, our company is a comprehensive enterprise specializing in the production of flake graphite, micro-powder graphite, and graphite products. We manufacture over 300 specifications across three major product series. Our products are distributed to more than 400 clients across 25 provinces, municipalities, and autonomous regions in China, and exported to over a dozen countries and regions including Japan, South Korea, Europe, and the Americas.
Utilizing premium primary ore, our advanced processing methods include multi-stage grinding, repeated flotation, chemical purification, electrochemical refinement, and ultrafine grinding. We produce products with carbon content ranging from 80% to 99.99% and particle sizes from 500 microns to 0.5 microns according to customer requirements. Products meeting specific requirements for moisture content, ash content, oversize/undersize fractions, trace element levels, and particle size distribution are available.
II. Product Catalog
1. High-Purity Graphite
2. High-Carbon Graphite
3. Medium-Carbon Graphite
4. Micronized Graphite
5. Expandable Graphite
6. Carbon Brush Grade Graphite
7. Powder Metallurgy Grade Graphite
8. Spherical Graphite
9. Forged Graphite Emulsion
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III. Technical Parameters
1. High-Purity Graphite
Specifications: Particle size 0.5mm–1μm, carbon content 80–99.99%.
Properties: Complete flake crystallization, thin flakes with excellent toughness, superior physical and chemical properties, including good temperature resistance, self-lubrication, conductivity, thermal shock resistance, and corrosion resistance.
Applications: Widely used in metallurgical industry for high-grade refractory materials and coatings; in military industry for stabilizing pyrotechnic materials; in light industry for pencil leads; in electrical industry for carbon brushes; in battery industry for electrodes; in fertilizer industry as a catalyst additive, etc.
in the military industry, pencil leads in light industry, carbon brushes in the electrical industry, electrodes in the battery industry, and catalyst additives in the fertilizer industry. Through further processing, flake graphite can also be used to produce high-tech products such as graphite emulsion, graphite sealing materials and composites, graphite products, and graphite anti-friction additives, making it an important non-metallic mineral raw material for various industrial sectors.

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Model

Technical Indicators

Primary Use

fixed carbon(≥%)

Moisture(≤%)

Residual sieve residue(%)

BT32—99.9

 

 

 

 

 

 

 

 

99.90

 

 

 

 

 

 

 

 

0.20

 

 

 

≥80.0

 

 

Flexible graphite sealing material

BT50—99.9

BT80—99.9

BT200—99.9

BT-100—99.9

 

 

 

≤20.0

 

 

 

Lubricant base

BT-200—99.9

BT-325—99.9


Indicators can be adjusted according to user requirements.


2. High-carbon graphite


 

Model

Technical Indicators

 

 

Primary Use

fixed carbon

(≥%)

volatile matter

(≤%)

Residual sieve residue

(%)

Moisture

(≤%)

BT32—99、BT50—99 BT80—99、BT200—99

 

 

99.00

 

 

 

 

 

1.00

≥75.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.50

Filler

BT-100—99、BT-125—99

BT-200—99、BT-325—99

≤20.0

 

 

 

 

Lubricants, base materials, coatings

BT32—98、BT50—98 BT80—98、BT200—98

 

 

98.00

≥75.0

BT-100—98、BT-125—98

BT-200—98、BT-325—98

≤20.0

BT32—97、BT50—97 BT80—97、BT200—97

 

 

97.00

 

 

 

 

 

 

 

 

 

 

 

 

 

1.20

≥75.0

 

Lubricants, Base Materials, Brushes Coatings

BT-100—97、BT-125—97

BT -200—97、BT-325—97

≤20.0

BT32—96、BT50—96 BT80—96、BT200—96

 

 

96.00

≥75.0

Refractory materials, electrical carbon products, battery raw materials, pencil raw materials

BT-100—96、BT-125—96

BT -200—96、BT-325—96

≤20.0

BT32—95、BT50—95 BT80—95、BT200—95

 

 

 

95.00

≥75.0

Electrical Carbon Products

BT-100—95、BT-125-95

BT -200—95、BT-325—95

≤20.0

Refractory materials, electrical carbon products, battery raw materials, pencil raw materials

BT32—94、BT50—94 BT80—94、BT200—94

 

 

94.00

≥75.0

 

 

Electrical Carbon Products

BT-100—94、BT-125-94

BT -200—94、BT-325—94

≤20.0



Indicators can be adjusted according to user requirements.


3. Medium-carbon graphite


 

Model

Technical Indicators

 

 

Primary Use

fixed carbon

(≥%)

volatile matter

(≤%)

residual sieve residue

(%)

Moisture

(≤%)

BT32-93、BT50—93 BT80—93、BT200—93

 

 

93.00

 

 

 

 

 

 

 

1.50

≥75.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.00

 

 

 

 

 

 

 

 

Crucibles, refractory materials, dyes

BT-100—93、BT-125—93

BT -200—93、BT-325-93

≤20.0

BT32—92、BT50—92 BT80—92、BT200—92

 

 

92.00

≥75.0

BT-100—92、BT-125-92

BT -200—92、BT-325—92

≤20.0

BT32-91、BT50—91 BT80—91、BT200—91

 

 

91.00

≥75.0

BT-100—91、BT-125—91

BT -200—91、BT-325—91

≤20.0

BT32—90、BT50—90 BT80—90、BT200—90

 

 

90.00

 

 

 

 

 

 

 

 

 

2.00

≥75.0

Crucibles, refractory materials

BT-100—90、BT-125—90

BT -200—90、BT-325—90

≤20.0

Raw materials for pencils, raw materials for batteries

BT32—89、BT50—89 BT80—89、BT200—89

 

 

89.00

≥75.0

Crucibles, refractory materials

BT-100—89、BT-125—89 BT-20089、BT-325-89

≤20.0

Raw materials for pencils, raw materials for batteries

BT32—88、BT50—88 BT80—88、BT200—88

 

 

88.00

≥75.0

Crucibles, refractory materials

BT-100—88、BT-125—88

BT-200—88、BT-325—88

≤20.0

Raw materials for pencils, raw materials for batteries


Indicators can be adjusted according to user requirements.


Medium-Carbon Graphite


 

Model

Technical Indicators

 

 

Primary Use

fixed carbon

(≥%)

volatile matter

(≤%)

residual sieve residue

(%)

Moisture

(≤%)

BT32—87、BT50—87 BT80—87、BT200—87

 

 

87.00

 

 

 

 

 

 

 

 

 

2.50

≥75.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.00

Crucibles, refractory materials

BT-100—87、BT-125—87

BT-200—87、BT-325—87

≤20.0

Casting Coatings

BT32—86、BT50—86 BT80—86、BT200—86

 

 

86.00

≥75.0

Refractory materials

BT-100—86、BT-125—86

BT-200—86、BT-325—86

≤20.0

Casting Coatings

BT32—85、BT50—85 BT80—85、BT200—85

 

 

85.00

≥75.0

Crucibles, refractory materials

BT-100—85、BT-125—85

BT-200—85、BT-325—85

≤20.0

Casting Coatings

BT32—83、BT50—83 BT80—83、BT200—83

 

 

83.00

 

 

 

 

 

 

3.00

≥75.0

Refractory materials

BT-100—83、BT-125—83

BT-200—83、BT-325—83

≤20.0

Casting Coatings

BT32—80、BT50—80 BT80—80、BT200—80

 

 

80.00

≥75.0

Refractory materials

BT-100—80、BT-125—80

BT -200—80、BT-325—80

≤20.0

Casting Coatings


Indicators can be adjusted according to user requirements.


4. Micronized Graphite
Our company utilizes advanced grinding equipment such as high-speed pulverizers, Raymond mills, and jet mills to produce a comprehensive range of micronized graphite products. These find extensive applications in industries including electrical carbon products, lubricants, fertilizer catalysts, pencil leads, powder metallurgy release agents, and as fillers or modifiers in rubber and plastic composites. They have earned high praise from customers worldwide.
Properties: Possesses the characteristics of high-quality natural flake graphite, exhibiting exceptional oxidation resistance under high-temperature conditions. Features self-lubricating and plastic properties, coupled with excellent electrical conductivity, thermal conductivity, and adhesion.
Applications:
(1) As a release lubricant in catalyst production for the fertilizer industry.
(2) Base material for high-temperature resistant lubricants and corrosion-resistant lubricants.
(3) Powder metallurgy release agent and raw material for metal alloys.
(4) Used in manufacturing carbon film resistors, conductive dry molds, and formulating conductive liquids.
(5) Serves as a filler or performance enhancer for rubber, plastics, and various composite materials to improve wear resistance, compressive strength, or conductivity.
Key Technical Specifications:


Model

Fixed Carbon (%) High

ash content ( % )

Moisture ( % )

Particle size(μm)

Testing Equipment

FS-1

0.7

0.5

1★60%

 

 

 

Laser Particle Size Analyzer

FS-2

0.7

0.5

270%

FS-4

0.7

0.5

3<80%

F-1

0.7

0.5

6太60%

F-2

1.5

0.5

10<60%

F-3

90

0.5

 

 

 

 

 

 

38<95%

 

 

 

 

 

 

Water Sieve

F-4

88

-

0.5

F-5

5

0.5

F-6

 

6

0.5

F-7

5

0.5

F-8

5

0.5

F-9

0.7

0.5


Indicators can be adjusted according to user requirements.


5. Expandable Graphite
Specifications: Particle Size: 32 mesh, 50 mesh, 80 mesh, 100 mesh, 100 mesh-200 mesh, 325 mesh
Expansion Ratio: 100-400 ml/g
Properties: Excellent expandability; finished products exhibit high-temperature resistance, radiation shielding, thermal insulation, lubricity, plasticity, and chemical stability.
Applications: Widely used in steel, metallurgy, petroleum, chemical, machinery, aerospace, nuclear energy, and other industrial sectors.
Expandable Graphite Technical Specifications:
1. Ultra-low sulfur expandable graphite

Specifications

fixed carbon

(%)

ash content

(%)

volatile matter

(%)

 

Expansion ratio

Sulfur content

(%)

 

pH value

Moisture

(% )

Particle Size (%) Oversize Material

DL32

 

 

90-99.9

 

 

≤8.0

 

 

≤10

200-400

 

 

≤0.03

 

 

3-7

 

 

≤1.0

 

 

≥80

DL50

200-350

DL80

150-250

DL100

100-200


2. Ultra-fine Expandable Graphite


Specifications

fixed carbon

(%)

ash content

(%)

volatile matter

(%)

Expansion ratio

Sulfur content

(%)

 

P H Value

Moisture

(%)

Particle Size (%) Oversize Material

CX-100

 

 

90-99

 

 

≤8.0

 

 

≤15

30-120

 

 

≤2.2

 

 

4-7

 

 

≤1.0

 

 

≥80

CX-200

15-50

CX-325

10-20



3. Standard Expandable Graphite


Specifications

fixed carbon

(%)

ash content

(%)

volatile matter

(%)

Expansion ratio

Sulfur content(%)

 

PH

Value

Moisture

(%)

Particle Size (%) Oversize Material

Before expansion

(%)

After expansion

(ppm)

PT32

 

90-

99.9

 

 

≤8.0

 

 

≤12

200-400

 

 

≤2.2

 

 

≤1500

 

 

3-7

 

 

≤1.0

 

≥80

PT50

200-350

PT80

150-250

PT100

100-200



Indicators can be adjusted according to user requirements.


6. Graphite for Carbon Brushes
Our company employs specialized processes to develop graphite powder tailored for the carbon brush industry over many years. It features uniform particle size, high lubricity, wear resistance, and low sparking, earning high praise from carbon brush manufacturers.
Varieties: T295 T298 T299 T395 T398 T399
Properties: Excellent lubricity, low trace elements, wear resistance, and minimal sparking.
Applications: Primarily used in various carbon brushes.
Technical Specifications for Carbon Brush Graphite:

Model

fixed carbon

(%)

volatile matter≤(%)

Moisture

(%)

Particle size

T295

95

1.2

0.3

200 mesh

T298

98

1

0.3

200 mesh

T299

99

1

0.3

200 mesh

T395

95

1.2

0.3

325 mesh

T398

98

1

0.3

325 mesh

T399

99

1

0.3

325 mesh


Specifications can be adjusted according to user requirements
7. Powder Metallurgy Grade Graphite

Our company utilizes premium natural flake graphite, specialized processing equipment, and advanced production techniques to manufacture powder metallurgy-grade graphite powder. This product features uniform particle size, excellent mixability, high-temperature resistance, and enhanced component strength.
Varieties: -399 to -399.9 TF
Properties: Exhibits exceptional oxidation resistance, self-lubrication, and plasticity under high-temperature conditions while increasing component strength.
Technical Specifications for Powder Metallurgy-Grade Graphite:

Model

fixed carbon≥(%)

volatile matter ( % )

Moisture≤(%)

Particle size≥(%)

-399

99

1

0.3

90

-399.9

99.9

 

0.2

90

TF-1

99

1

0.3

6μm 70

TF-2

99

1

0.3

10μm 70


Indicators can be adjusted according to user requirements.


8. Spherical Graphite


Spherical graphite is produced by subjecting our company's premium natural flake graphite to advanced spheronization processing. It serves as an anode material for lithium-ion batteries with varying purities, characterized by high sphericity and high tapped density.

Variety: BTD-12-40

Performance: Strong chemical stability, high charge/discharge capacity, extended cycle life, and excellent safety performance.

Application: Primarily used in lithium-ion rechargeable batteries.


Technical Specifications for Spherical Graphite


Tapped density(g/ cm³)

 

Specific surface area

(m²/g)

Particle size

(d50)

(μm)

 

Carbon content

(%)

Moisture

(%)

Charging capacity

(mAh/g)

Coulomb efficiency

(%)

 

Number of cycles

 

0.92-1.0

 

4-6.5

 

12~40

99.9-

99.99

 

<0.1

 

>360

 

>90

 

≥800




Indicators can be adjusted according to user requirements.




9. Forging Graphite Emulsion
Types: MD-2, MD-2A, MD-7, MD-8, MD-12, MD-15
Properties: Excellent lubricity, demolding properties, chemical stability, high-temperature adhesion, extending mold service life and improving forging quality. Environmentally non-polluting and easy to use.
Main Specifications and Physical/Chemical Indicators of Forging Graphite Emulsion:


 

Variety

Performance and Specifications

 

 

Application Examples

Total Solids (%)

Graphite content (%) high

20-fold dilution, 3-hour sedimentation rate

MD-2

28

20

35

Die forging, rough and finish forging of gears, roll forging

MD-3

30

25

Undiluted

Lubrication of the nozzle slide plate during molten steel casting

MD-4

35

25

Undiluted

For the smelting of pure silicon

MD-7

40

25

40

Light Alloy Extrusion Processing

MD-8 -12

30

40

2. Exam

35

40.

Heavy-duty press die forging

MD-10

35

26

Undiluted

Hot extrusion processing of projectiles and casings

MD-15

30

23

35

Hammer forging




Indicators can be adjusted according to user requirements.



The forged graphite paste produced by our company is black in color and serves as an ideal high-temperature release lubricant for non-ferrous metal hot working. It is widely used in industries such as forging and metal pressing.