For more than 50 years, Entegris' POCO materials have set the standard for various industries. With our technological expertise, proven product performance and superior technical support, we provide graphite solutions that help you save money and be more productive.
EDM-AF5
The finest material for graphite
electrodes, which is on the market today
available. Average particle size
less than 1μ gives this class an advanced
properties that exceed properties
graphite with larger particle sizes.
It stands out for its strength and resistance to damage.
Average particle size (in microns): < 1
Bending strength 1200 kg/cm2
Compressive strength 1900 kg/cm2
Hardness (shore): 87
Resistivity (µΩm): 17
Achievable surface: 6 - 16
EDM-3
Isotropic graphite with ultra-fine grain,
high strength and extraordinary
including wear resistance
edge. Easy to mill and cut
on the wire. Especially suitable for
digging deep ribs. It allows
high quality of the final surface.
Average particle size (in microns): < 5
Bending strength: 950 kg/cm2
Compressive strength : 1500 kg/cm2
Hardness (shore): 76
Specific electricity resistance: 14 µΩm
Achievable surface: 16 - 20
EDM-C3
High-density copper-carbonated graphite.
Suitable for machining alloys with high
copper content. Easy to mill
and cuts on the wire. Meets the highest
requirements for high removal speed
metal.It enables a reduction in the number of electrodes with a high quality of the cavity surface.
Average particle size (in microns): < 5
Flexural strength: 1427 kg/cm2
Compressive strength: 1993 kg/cm2
Hardness (shore): 66
Specific electricity resistance: 21.6 µΩm
Achievable surface: 12 - 20
EDM-1
Isotropic graphite with ultra-fine grain.
Wear-resistant, offers
high
machining speed and fine
machining the surface of the cavity. It applies
especially when eroding the ribs, including
thin ones. It is easily and well milled and cut with wire.
Average particle size (in microns): < 5
Bending strength: 530 kg/cm2
Compressive strength: 1050 kg/cm2
Hardness (shore): 69
Specific elec. resistance 19.3 µΩm
Achievable surface: 18 - 22
EDM-200
Isotropic super very fine graphite
with good strength, resistance to
wear and tear and the possibility of fine
surface treatment. Applies to
simple and complex machining
shapes. It mills very well and is gentle on tools.
It has an excellent price / performance ratio.
Average particle size (in microns): < 10
Bending strength: 635 kg/cm2
Compressive strength: 1075 kg/cm2
Hardness (shore): 68
Specific elec. resistance: 14.7 µΩm
Achievable surface: 22 - 26
EDM-C200
Isotropic super very fine graphite
with good strength, resistance to
wear and tear and the possibility of fine
surface treatment. It applies
during simple and more complex machining
shapes. It mills very well and is gentle on tools. Excellent price/performance ratio.
Average particle size (in microns): <10
Bending strength: 851 kg/cm2
Compressive strength: 1631 kg/cm2
Hardness (shore): 68
Specific elec. resistance: 2.9 µΩm
Achievable surface: 18 - 22
