Qingdao Hensen Graphite Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 3000 ton per month |
| Delivery Time | 30 working days |
| Packaging Details | Small bag into big bag total 20 tons for 20' feet container |
| Carbon Content: | High Cabon |
| Moi | 1%max |
| Advantage | Superior Softness, Resilience And Plasticity |
| Samples | Available |
| Name | Expandable Graphite |
| Size | As your request |
| Packing | 25kg Bag, ton bags, pallets |
| Brand Name | Hensen |
| Model Number | HS |
| Place of Origin | Qingdao of China |
View Detail Information
Explore similar products
High Performance Expandable Graphite Powder For Thermal Conductivity
Expandable Natural Flake Graphite Powder 250:1 Expansion Ratio +50 mesh
High Temperature Expandable Graphite Powder For Flame Retardant Materials
Fireproof Coatings Insulation Expandable Graphite Powder High Temperature
Product Specification
| Payment Terms | T/T | Supply Ability | 3000 ton per month |
| Delivery Time | 30 working days | Packaging Details | Small bag into big bag total 20 tons for 20' feet container |
| Carbon Content: | High Cabon | Moi | 1%max |
| Advantage | Superior Softness, Resilience And Plasticity | Samples | Available |
| Name | Expandable Graphite | Size | As your request |
| Packing | 25kg Bag, ton bags, pallets | Brand Name | Hensen |
| Model Number | HS | Place of Origin | Qingdao of China |
| High Light | High Cabon Expandable Graphite Powder ，Thermal Resistant Expandable Graphite Powder ，99% Carbon Expanded Graphite Powder | ||
Expandable graphite powder is a unique form of graphite that has the ability to expand when exposed to high temperatures. It is derived from natural graphite, which is a crystalline form of carbon. The production process involves treating the graphite with various chemicals and intercalating agents, which introduce spaces between the layers of carbon atoms.
The expansion properties of expandable graphite powder make it a highly versatile material with numerous applications across various industries. One of its primary uses is as a flame retardant additive. When incorporated into polymers, textiles, or other materials, expandable graphite powder can act as a barrier against fire by releasing a dense layer of non-flammable carbon char when exposed to heat or flames. This char layer acts as a shield, preventing the spread of fire and reducing the risk of ignition.
Expandable graphite powder is also employed in the production of graphite foams and composites. When the powder is mixed with certain binders and subjected to high temperatures, it undergoes controlled expansion, resulting in a lightweight and highly porous material known as graphite foam. Graphite foams possess excellent thermal conductivity, making them suitable for applications such as heat sinks, thermal insulation, and energy storage devices.
Furthermore, expandable graphite powder finds use as an additive in lubricants and coatings. Due to its high temperature stability and low friction properties, it can improve the performance and durability of these products. It can also be utilized as a component in gaskets, seals, and other applications where its expandability and thermal resistance are advantageous.
| Grade Name | Mesh | Expansion Ratio (cc/g) | Purity (%) |
Moisture (%) |
PH | Sulfur (ppm) |
Onset Temp (°C) |
Application |
| HS555 | +50 | 250:1 | 95-97 | <1 | 6-9 | * | 160-180 | PU foam, Bituman. |
| HS855 | +50 | 250:1 | 98-99 | <1 | 6-9 | * | 160-180 | PU foam, Bituman. |
| HS955 | +50 | 250:1 | 99-99.5 | <1 | 6-9 | * | 160-180 | PU foam, Bituman, for application require least instruments damage. |
| HS085 | +80 | 250:1 | 90-95 | <1 | 6-9 | * | 160-180 | PU foam, EPS foam, XPS foam, sealing strip. |
| HS585 | +80 | 250:1 | 95-97 | <1 | 6-9 | * | 160-180 | PU foam, EPS foam, XPS foam, sealing strip. |
| HS055 | +50 | 250:1 | 90-95 | <1 | 6-9 | * | 160-180 | PU foam, EPS foam, XPS foam, sealing strip. |
| HS988 | +80 | 180:1 | 99-99.5 | <1 | 6-9 | <1500 | * | Graphite foil, roll, gaskets. |
| HS980HP | +80 | 200:1 | 99.5-99.8 | <1 | 6-9 | <1500 | * | Graphite foil, roll, gaskets. |
| HS980UHP | +80 | 200:1 | >99.9 | <1 | 6-9 | <1500 | * | Battery. |
| HS557 | +50 | 270:1 | 95-97 | <1 | 6-9 | * | 160-180 | Steel oxygen protection. |
| HS611 | -100 | 100:1 | 96-98 | <1 | 6-9 | * | 160-180 | Fireproof textile. |
| HS223 | -200 | 30:1 | 92-95 | <1 | 6-9 | * | 160-180 | Thin coating. |
| HS5HE | +50 | 350:1 | 95-97 | <1 | 6-9 | * | 160-180 | Collar pillar. |
| HS9HE | +50 | 350:1 | 99-99.5 | <1 | 6-9 | * | 160-180 | Collar pillar, for application require least instruments damage. |
| HS558HT | +50 | 180:1 | 95-97 | <1 | 6-9 | * | 220 | Mixing, extruding or processing at higher temperatures. Used as fire-retardant additive in PE, PP, and HIPS. |
| HS558UHT | +50 | 180:1 | 95-97 | <1 | 6-9 | * | 250 | Processing temperatures are very high. Used as fire-retardant additive in PE, PP, and HIPS. |
- Special grades with different specs are also available on request. Please contact us for details.
Company Details
Business Type:
Manufacturer,Seller
Year Established:
1985
Total Annual:
44850000-74750000
Employee Number:
100~300
Ecer Certification：
Verified Supplier
Since 1985, Hensen Graphite has been proudly serving customers around the globe. Before setting up his own company, Mr. Peizhai Mo, the founder and owner of Hensen Graphite, has been working at Nanshu Graphite Mine, which was the most famous and important state owned graphite company in China. ... Since 1985, Hensen Graphite has been proudly serving customers around the globe. Before setting up his own company, Mr. Peizhai Mo, the founder and owner of Hensen Graphite, has been working at Nanshu Graphite Mine, which was the most famous and important state owned graphite company in China. ...
Get in touch with us
Leave a Message, we will call you back quickly!