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POCO EDM Graphite Selection Guide 

		Product Specification		Applications
		Average Particular Size: < 1 micron		• Fine Detailed electrodes for engraving
		Flexural Strength: 17,000 psi (1,200 kg/cm²)		• Hard to machine detail
		Compressive Strength: 27,000 psi		• Delicate and fragile electrodes
		(1,900 kg/cm²)		• Various type threading electrodes
		Hardness: 87 Shore		• Jobs requiring fine surface finish
		Electrical Resistivity: 680 µΩin (17 µΩm)		• Intricate molds and dies
		Product Specification		Applications
		Average Particular Size: < 5 micron		• Fine Detailed electrodes where strength is critical
		Flexural Strength: 16,500 psi (1,150 kg/cm²)		• Treading electrodes
		Compressive Strength: 30,000 psi		• Aerospace applications
		(2,100 kg/cm²)		• Plastic injection molds
		Hardness: 67 Shore		• Machining of carbide
		Electrical Resistivity: 120 µΩin (3 µΩm)		• Small hole drilling
				• Electronic & IC molds
		Product Specification		Applications
		Average Particular Size: < 5 micron		• EDMing of fine detailed electrodes
		Flexural Strength: 13,500 psi (950 kg/cm²)		• Punch & die sets
		Compressive Strength: 21,500 psi		• Plastic injection molds
		(1,500 kg/cm²)		• Threading electrodes
		Hardness: 76 Shore		• Use in aerospace metal cutting
		Electrical Resistivity: 540 µΩin (14 µΩm)		• Electronic & IC molds
		Product Specification		Applications
		Average Particular Size: < 5 micron		• Fabricating electrodes with less intricate detail
		Flexural Strength: 7,500 psi (530 kg/cm²)		• Low wear roughing electrodes
		Compressive Strength: 15,000 psi		• Extrusion die relief cutting
		(1,050 kg/cm²)		• High detail roughing electrodes
		Hardness: 70 Shore		• Molds and dies
		Electrical Resistivity: 740 µΩin (19 µΩm)
		Product Specification		Applications
		Average Particular Size: < 10 micron		• Forging dies
		Flexural Strength: 7,500 psi (530 kg/cm²)		• Die cast dies
		Compressive Strength: 14,000 psi		• Large blow molds
		(985 kg/cm²)		• Plastic injection molds
		Hardness: 63 Shore		• High quality roughing electrodes
		Electrical Resistivity: 500 µΩin (12.7 µΩm)		• Non - critical tolerance in larger electrodes
		Product Specification		Applications
		Average Particular Size: < 14 micron		• Large cavity molds
		Flexural Strength: 7,800 psi (550 kg/cm²)		• Forging dies
		Compressive Strength: 14,500 psi		• Large die cast dies
		(1,020 kg/cm²)		• Large extrusion dies
		Hardness: 68 Shore		• Roughing electrodes
		Electrical Resistivity: 570 µΩin (14.5 µΩm)		• Large blow molds