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GIL, the largest manufacturer of synthetic Graphite and Carbon in India also offers Speciality Carbon and Graphite Products and machined components for specialized applications.

Extruded Graphite Mold

Extruded Graphite Mold is available in Blocks and Rods having the following grades:

BC – BC is baked Carbon (Amorphous) materials available in various shapes & sizes
GLM-E – GLM-E is competitively priced graphite with fine particle size, good uniform structure and is primarily used for general applications
SGLM-50 – GLM-50 is a denser version of GLM-E. It is characterized by higher density and better strength. It finds wider use for general applications
GLM – It is a denser version of GLM-50 and is characterized by higher density, higher strength and lower porosity. It has a finer structure and can be machined to a fine finish. It can be used for most applications
GLM-S – It is a still denser version of GLM and is characterized by very low porosity

Mini Rods

Graphite India produces fine grain extruded graphite small diameter rods. Diameters range from 3 mm to 65 mm with a maximum particle size of 0.2 mm. Mini rods are manufactured in two grades - GMMR-50 and GMMR. GMMR-50 is used for general applications. GMMR is a denser version of GMMR-50 used for applications requiring higher strengths and lower porosity.

Graphite Tubes

GMT – This grade of graphite is produced as tubes for fluxing and other applications.

The above grades exhibit excellent properties like, good thermal conductivity, low electrical specific resistance, low co-efficient of thermal expansion, good chemical inertness and can be easily machined.

AX Treatment – All the above grades can be subjected to special AX treatment to retard oxidation and thereby effectively extending its life.

Heat Exchanger Tubes

Heat Exchanger Tubes are available in all Standard Sites up to a length of 4000 mm. These tubes are manufactured through Extrusion process and exhibit excellent heat transfer, mechanical and chemical properties.

Moulded Mold Graphite

These are biaxially pressed Carbon & Graphite products.

These grades of graphite have a fine structure and molded using compression presses. They have excellent strength properties and mechanical properties better than extrusion pressed graphite products. They possess good thermal conductivity, low electrical specific resistance, low co-efficient of thermal expansion, and very good machinability.

Grades:

AMOR – Carbon
DXT – Partially Graphitised
XN –Graphitised
DXN –Denser Version of XN

Isostatically Moulded

Isostatically Processed Graphite comes in fine grain and exhibits good isotropism with homogeneous structure, high density, strength, Low specific resistance, easy machinability , high thermal shock resistance. Typical applications are Semiconductor, Solar, Vaccum Furnace, Continuous Casting, Diamond, Heat Shields, crucibles, EDM.

Machined Components

Machined Components State-of-the-Art Machining facilities backed by Skilled Workmen and Seasoned Engineering Experts enable GIL to assist customers in Product Design and Cost Reduction Programs. GIL can supply high precision, intricate and delicate graphite parts custom-made for various user industries. Following is the indicative list of graphite products that GIL regularly supplies to customers.

DEGASSING ROTORS & SHAFTS, CANISTERS, EXTRUSION RUN OUT TABLES, SEALING JIGS, HEATING ELEMENTS, PLATES & SLABS, SINTERING TRAYS, RINGS, FURNACE LININGS & COMPONENTS, SUSCEPTORS, BOATS, CRUCIBLES, MOULDS, PLUNGERS & PLATES, CONTINUOUS CASTING DIES, PRESSURE CASTING DIES, CONDUCTOR ROLLS, ELECTROLYTIC ANODES AND CATHODES, EDM ELECTRODES, HEATERS FOR OPTICAL FIBER, GRAPHITE BUSHES, BEARING, CARBON VANES

GIL also supplies semi-finished products as follows. CARBON RODS, MACHINED RODS, MACHINED MINIRODS & TUBES, GRAPHITE BLOCKS (SAW CUT, PLANE FINISH, MILL FINISH)

Carbon Graphite/Bricks

In many chemical processes, the apparatus and reaction vessels must be protected against the Acidic and Caustic materials used . Apparatus linings made from Ceramic or Synthetic Plastic type materials are often unsuitable, since they may not withstand Chemical Attack, High Temperatures or sudden temperature changes. Alkaline solutions and Hydrofluoric Acid are of great importance in chemical technology, but they rapidly destroy equipment linings. Chemical resistant Carbon Bricks are suitable for service in Phosphoric, Sulfuric or Hydrochloric Acids, as well as in Caustic applications involving Sodium or Potassium Hydroxides and other strong bases.

Carbon Composites/Brake Discs

Carbon composites find application in various fields.