IFI Technical Production company locates in China and is a leading developer of graphite deposits and processing of graphite materials. The main specialization and activity - the development and production of advanced sealing and gasket materials.We produce Packings of expanded graphite, PTFE, aramid fibers, carbon fibers and other synthetic and natural fibers. Our products have over 15 years of successfully delivered to Europe, America, Australia, Russia, etc.It is one of the biggest enterprises of the mineral, chosen the mineral and deep processed in whole from China. our products, die-formed graphite ring, expanded graphite ring are widely used in the fields of petroleum & chemical industry, refining, electric power, metallurgy, machinery, papermaking, automobile, shipping building, pharmacy, aerospace industry, nuclear industry, etc. Rely on advanced technology and management system, superior production equipments and test instruments, high quality products and first-class service. The products, die-formed graphite ring, expanded graphite ring, graphite ring, graphite pressed ring enjoy the high reputation in domestic and abroad market, and it has been exported to more than 20 countries and regions.

It is formed by molding flexible graphite tape or flexible graphite braided packing, metal materials can also be put in, they are often used together. It is mainly used for sealing of valves,pumps and expansion joints which are used in oil industry ,chemical industry ,thermoelectric station, nuclear,etc. |
Temperature |
-240~3500°C |
Pressure |
30Mpa |
Density |
1.0~2.0g/cm3 |
Velocity |
0~15m/s |
PH range |
0~14 |
Size |
Ø5~Ø1500mm |
No. |
Products |
RK401 |
Flexible graphite ring |
RK402 |
High-purity flexible graphite ring |
RK403 |
Nuclear installation-purpose flexible graphite ring |
RK404 |
Reinforcing material-bearing flexible composite ring |
RK405 |
Flexible graphite braided packing ring |
Other special requirements is also available on request. | |