Do you machine custom parts?

Yes. We machine graphite and carbon-graphite parts from drawings or samples, with typical tolerances down to ±0.02 in depending on geometry and grade.

Why use graphite bushings instead of lubricated metal?

Graphite is self-lubricating dry, thermally stable, and compatible with vacuum or atmospheres where oils and greases fail or contaminate. Ideal for bushings, spacers, and rotary inserts.

Which graphite grade is best for EDM electrodes?

Fine detail and surface finish favor fine-grain, low-porosity isostatic grades. Faster stock removal uses coarser grades. We also offer impregnated blanks when lower wear or pore sealing is required.

When should I use a resin- or metal-impregnated blank?

Impregnation reduces open porosity, improves sealing, and can increase wear resistance. Resin is common for seals and EDM; metal impregnation adds conductivity and hardness for demanding mechanical uses.

Do you supply carbon-graphite contacts?

Yes. We supply carbon-graphite materials and formats (bars, machined parts) for pantographs, electrical contacts, and grounding, graded by current, speed, and environment.

What graphite material is used for mechanical seals?

Faces and rings are typically machined from carbon-graphite or impregnated graphite for sealing and controlled wear. We complement with GRAFOIL for monoblock gaskets and packing.

[ Products ]

Mechanical carbon-graphite

Carbon-graphite for mechanical seals, bushings, and dry friction. Base grades and impregnated options (resin, metal, and others). Inventory and machining in Mexico.

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Seals, bushings, and dry friction — base and impregnations

Carbon-graphite family

Mechanical carbon-graphite is the sliding material for seals, bushings, vanes, and friction faces when you need self-lubrication, chemical resistance, and thermal stability — dry or in demanding fluids.

Within the same family there are base grades and impregnated grades. Impregnation (resin, metal, or others) closes porosity, improves sealing, or raises wear life and conductivity depending on duty. The exact grade is confirmed at quote against load, speed, counterface, atmosphere, and temperature.

Type	Typical role
Base grade	Dry friction, seals, and bushings in general service
Resin impregnation	Lower porosity and better sealing
Metal impregnation	Higher conductivity and wear resistance
Other impregnations	Corrosion, oxidation, or special duty

Forms: blocks, plates, rings, and machined parts. Inventory and machining in García, N.L.

Resin impregnation

Vacuum resin impregnation reduces open porosity and improves sealing versus a base grade. Prefer for mechanical seals, bearings, and parts that need low porosity or more controlled friction.

Metal impregnation

Metal impregnation raises density, conductivity, and wear resistance. Prefer when friction life, electrical contacts, or heavier duty matter more than resin or base grades.

[ Other materials for different uses ]

Discover other recommended materials

[ Where it is used ]

Typical applications for this family.

[ Build to print ]

Any grade in this family can also be delivered as a finished part: we machine to your drawing, sample or 3D model. Tolerances, impregnation and finish are confirmed in technical review.

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Technical data

Densidad aparente: 1.68–2.45 g/cm³ (104.9–152.9 lb/ft³)
Resistencia a la flexión: 38–100 MPa (5511–14504 psi)
Conductividad térmica: 3–90 W/m·K (2–52 BTU·ft/(h·ft²·°F))
Porosidad abierta: <1–13 %

International grades

Common recognized names and codes for this family. At ESGRAF we supply original grades and equivalent alternatives for critical applications.

EK-60EK20EK24EK40EK200EK201EK203EK204EK305EK2200EK2201EK2209EK2240EK2241EK2243EK3205EK3245IG-11IG-11R1IG-43R1IKC-433IKC-6809ISO-68ISO-68R1JP400JP500JP545JP568JP600JP645JP668JP900JP928JP932JP933JP945JP968JP1000JP1033JP1300JP1328JP1345JP1351JP1368JP1900JP1932KC-36KC-57KC-67KC-83KKC-360KC-570KC-573KC-670KC-673KC-830KKC-5709KC-6709KP-001KP-002LSPC-78ATS-002TS-003TS-004TS-005TUG-105TUG-110TUG-120TUG-308TUG-309TUG-505TUG-3095V1626W-1500W-3500

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[ Related products ]

High-density graphite

Recommended for precision blocks and parts without a friction focus

Extruded graphite

Common in heaters, furnaces, and constant-section rods/tubes

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