Basic Info.
Type
Natural Graphite, Graphite Sheets
Main Usage
Mobile Phone, LED, LCD, Tablet Computers
Thermal Conductivity (X-Y-Axis)
50-500W/Mk
Thermal Conductivity (Z-Axis)
2-10W/Mk
Thermal Resistance
450 Degree Centigrade
UL Flammability Rating
94vo
Carbon Content
High-Carbon
Forming Way
Molded Graphite
Crystal Morphology
Flake Graphite
Specification
As requirement
Product Description
1. About Dasen:
Professional solution provider including pyrolytic graphite, silicone pad, die-cutting,
specialties graphite, ceramic filtration membrane.
Services in telecommunications, industrial consumer electronics and medical, new energy vehicles, machinery, environmental engineering.
Used in soft circuit board, backlight module, touch panel, mechanical hardware, finished product assembly and environmental protection engineering industry
Four factories: Jiangsu, Jiangxi, Anhui and Qingdao.
Certificates: ISO9001,IATF16949,ISO14001,UL…
Suzhou Sales Center
DASEN is a high-tech enterprise engaged in R&D, production and sales of pyrolytic graphite, specialties graphite, die-cutting, silicone pad and plate ceramic membranes. The pyrolytic graphite factory is in Jiangxi; the specialties graphite is in Shandong; the silicone pad factory is in Jiangsu, and the ceramic membrane factory is in Anhui province. And the sales center is in Suzhou, Jiangsu.
2. Natural graphite sheet:
Natural graphite is sintered with flake graphite and earthy graphite, and its carbon content reaches 99% ~ 99.99%.
Oriented film: Graphite film using advanced technology to make high-purity graphite materials to regular orientation structure.
Pictures of natural graphite sheet:
Features of natural graphite sheet:
• Excellent thermal conductivity: up to 500W/m·K
• Lightweight: Specific gravity: 0.87 to 1.6 g/cm3 (30% lighter than aluminum, 80% lighter than copper in the same size)
• Low thermal resistance, 40% lower than aluminum, 20% lower than copper
• Low heat resistance with flexible Graphite sheet*
• Low repulsion and easy to keep the product's shape after attaching
• RoHS, REACH compliant
• Siloxane Free
Parameters of natural graphite sheet:
| TYPE | DSN503 | DSN505 | DSN508 | DSN510 | DSN513 | DSN515 |
| Carbon Content | 99.80% | 99.80% | 99.80% | 99.80% | 99.80% | 99.80% |
| Color | Dark Grey | Dark Grey | Dark Grey | Dark Grey | Dark Grey | Dark Grey |
| Thickness (mm) | 0.03 | 0.05 | 0.08 | 0.1 | 0.13 | 0.15 |
| Thickness Tolerance (mm) | ±0.005 | ±0.005 | ±0.01 | ±0.02 | ±0.02 | ±0.03 |
| Density (g/cm³) | 1.5±0.1 | 1.5±0.1 | 1.5±0.1 | 1.4±0.1 | 1.3±0.1 | 1.3±0.1 |
| Hardness (shore A) | 85 | 85 | 85 | 85 | 85 | 85 |
| Tensile Strength (psi) | 650 | 650 | 650 | 650 | 650 | 650 |
| UL Flammability Rating | 94VO | 94VO | 94VO | 94VO | 94VO | 94VO |
| Temperature Range | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC |
Thermal Conductivity
(X-Y axis) | 400-500 W/m.K | 400-500 W/m.K | 350-450 W/m.K | 300-400 W/m.K | 300-400 W/m.K | 250-350 W/m.K |
| Thermal Conductivity (Z axis) | 7~10 W/m.K | 7~10 W/m.K | 7~10 W/m.K | 7~10 W/m.K | 7~10 W/m.K | 7~10 W/m.K |
| Thermal Resistance @100pis | 0.07ºC-in²/w | 0.08ºC-in²/w | 0.9ºC-in²/w | 0.1ºC-in²/w | 0.16ºC-in²/w | 0.2ºC-in²/w |
| @681pis | 0.42ºC-in²/w | 0.51ºC-in²/w | 0.57ºC-in²/w | 0.66ºC-in²/w | 0.95ºC-in²/w | 1.07ºC-in²/w |
| Volume Resistivity | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm |
| Outgassing TML | 0.15% | 0.15% | 0.15% | 0.15% | 0.15% | 0.15% |
| Outgassing CVCM | 0.09% | 0.09% | 0.09% | 0.09% | 0.09% | 0.09% |
| TYPE | DSN520 | DSN550 | DSN580 | DSN5100 | DSN5200 | DSN5300 |
| Carbon Content | 99.80% | 99.80% | 99.80% | 99.80% | 99.80% | 99.80% |
| Color | Dark Grey | Dark Grey | Dark Grey | Dark Grey | Dark Grey | Dark Grey |
| Thickness (mm) | 0.2 | 0.5 | 0.8 | 1.0 | 2.0 | 3.0 |
| Thickness Tolerance (mm) | ±0.03 | ±0.05 | ±0.08 | ±0.1 | ±0.15 | ±0.15 |
| Density (g/cm³) | 1.2±0.1 | 1.1±0.1 | 1.1±0.1 | 1.0±0.1 | 1.0±0.1 | 1.0±0.1 |
| Hardness (shore A) | 85 | 85 | 85 | 85 | 85 | 85 |
| Tensile Strength (psi) | 650 | 650 | 650 | 650 | 650 | 650 |
| UL Flammability Rating | 94VO | 94VO | 94VO | 94VO | 94VO | 94VO |
| Temperature Range | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC | -40ºCto400ºC |
Thermal Conductivity
(X-Y axis) | 250-350 W/m.K | 250-350 W/m.K | 200-300 W/m.K | 100-200 W/m.K | 100-200 W/m.K | 100-200 W/m.K |
| Thermal Conductivity (Z axis) | 7~10 W/m.K | 3~5 W/m.K | 3~5 W/m.K | 3~5 W/m.K | 3~5 W/m.K | 3~5 W/m.K |
| Thermal Resistance @100pis | 0.25ºC-in²/w | 0.37ºC-in²/w | 0.5ºC-in²/w | 0.6ºC-in²/w | 0.77ºC-in²/w | 0.73ºC-in²/w |
| @681pis | 1.16ºC-cm²/w | 1.3ºC-cm²/w | 1.58ºC-cm²/w | 1.7ºC-cm²/w | 1.93ºC-cm²/w | 1.88ºC-cm²/w |
| Volume Resistivity | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm | 11*10-4
ohm-cm |
| Outgassing TML | 0.23% | 0.23% | 0.23% | 0.23% | 0.23% | 0.23% |
| Outgassing CVCM | 0.16% | 0.16% | 0.16% | 0.16% | 0.16% | 0.16% |
3. Workshop of natural graphite sheet:
Mineral processing of natural graphite sheet:
4. Application:
• Widely used in metallurgical industry as refractories
• Widely used in the electronics industry as the electrode conductive material
• Water-resistant lubricating material
• Anticorrosion materials in petroleum metallurgical industry
• Used in a centrifugal pump and other equipment: make a pump or a seal
• Used in an industrial furnace: make industrial furnace parts
• The point solution process is used as an electrolytic plate: quality assurance
Nine industries:
1. High temperature furnace
2. Metal industry
3. Glass refractories
4. Petrochemical industry
5. Automobile industry
6. Mechanical engineering
7. Electric discharge
8. Semiconductor industry
9. Photovoltaic power generation
5. Quality control (STRICT QC SYSTEM):
• Quality policy - The policy aims at satisfying our customer by way of initializing an updated quality management and sticking to the top requirement of "quality first" in an attempt to achieve an elite project finally.
• Quality objective - Provide our customer with products in full line with relevant contract and standard by way of strictly conforming to quality control procedure and intensifying avoiding common quality faults to be sure of an effective operation of the quality assurance and quality control system, achieve a zero quality accident rate and realize good project construction quality.
• Quality Assurance System and Function - Establish quality assurance and effective quality control system before construction in order to ensure the realization of construction quality objective.
• Work - Post Responsibility - Responsibility of Project Manager.
6. Laboratory and product inspection equipment:
7. Experienced R&D team:
Dasen has a research and development team with 2 ph. D. leading more than 20 high-end R & D technicians. Dasen also owns a sound management process and advanced development tools.
8. Certificates and patents:
ISO9001-2015, ISO14001-2015, IATF16949-2016, UL
We obtained more than 30 invention patents and utility model patent and gained the honor: "scientific and technological innovation enterprises", "Jiangxi Province special new enterprises", "national high-tech enterprises".
9. Business culture:
DSN adheres to Taiji culture of respecting social and loving people, fulfilling social responsibility, publicizing the environment and development, and realizing the common growth of society, enterprises and employees.
As Heaven's movement is ever vigorous, so must a gentleman ceaselessly strive along. DSN will work hard to press ahead and create new splendor.
Address:
Lvjing Business Center, No. 199 Tayun Road, Yuexi, Suzhou, Jiangsu, China
Business Type:
Manufacturer/Factory
Business Range:
Arts & Crafts, Auto, Motorcycle Parts & Accessories, Chemicals, Computer Products, Consumer Electronics, Electrical & Electronics, Furniture, Industrial Equipment & Components, Metallurgy, Mineral & Energy, Sporting Goods & Recreation
Management System Certification:
ISO 9001, ISO 14001
Company Introduction:
DASEN Group was founded in 2011 and headquartered in Suzhou. It is a high-tech enterprise mainly engaged in the research and development, production, and sales of high thermal conductivity graphite materials, carbon fiber prepregs, and composite material products.
DASEN has passed ISO9001 International Quality Management System, ISO14001 International Environmental Management System, and QC080000 Hazardous Substance Process Management System. DASEN is an excellent private enterprise, specialized and innovative high-tech enterprise, with fully independent intellectual property rights and advanced production processes. DASEN adheres to strict and advanced production management to ensure high-quality and efficient production and operation.
DASEN has production, research and development bases in Jiangxi, Dongguan, and Vietnam, as well as offices in Suzhou, South Korea, Shenzhen, and the United States. DASEN can provide professional and convenient thermal management and carbon fiber lightweight application solutions to global customers.
Our growth stems from continuously meeting customer needs, creating value for customers, adhering to the business philosophy of "customer first, quality first, integrity and pragmatism, innovation and progress, passion and efficiency, and win-win cooperation", providing customers with comprehensive technical support and services.
DASEN has always been committed to becoming an excellent supplier of material solutions!
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