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Helwig Carbon
Helwig Carbon
Helwig Carbon
Helwig Carbon
Helwig Carbon Helwig Carbon
Helwig Carbon
Helwig Carbon Helwig Carbon

 
Carbon Graphite                  
  Resistivity Shore Strength       Rated Current  
Grade Ohm-in mOhm-m   Hard PSI N/MM2  VD CF Film# Amp/in2  Amp/cm2   
H 0.0011 28 55 3000 20.7 M M 1 40 6.2  
H250 0.0008 20 60 6700 46.2 M M 1 50 7.8  
H357 0.0012 30 50 2800 19.3 M M 1 55 8.5  
H422 0.01 250 50 3600 27.9 H L 1 60 9.3  
H990 0.0027 68 70 4300 29.6 H H 1 40 6.2  
NH12 0.032 800 45 3025 20.1 H L 1 55 8.5  
NH16 0.02 500 25 2200 15.2 H VL 1 55 8.5  
NH4 0.0016 40 45 2500 17.2 M L 1 50 7.8  
                       
Electrographite                  
  Resistivity Shore Strength       Rated Current  
Grade Ohm-in mOhm-m   Hard PSI N/MM2  VD CF Film# Amp/in2  Amp/cm2   
H170 0.0029 74 80 3900 26.9 H VL 2 70 10.9  
H22 0.0007 18 45 3700 25.6 L H 2 70 10.9  
H23 0.0017 43 70 4000 27.7 M L 1 70 10.9  
H24 0.0015 38 55 4100 28.4 M L 2 80 12.4  
H25 0.0012 30 65 4000 27.7 M L 2 80 12.4  
H27 0.0017 43 65 4200 29.1 H VL 2 80 12.4  
H28 0.0017 43 45 2600 17.9 M VL 2 80 12.4  
H3 0.00035 8.8 35 3100 21.5 M VL 3 70 10.9  
H34 0.0023 58 75 4400 30.3 H L 2 80 12.4  
H35 0.0023 58 50 2500 17.2 H L 2 90 14  
H36 0.0023 58 70 3300 22.8 H VL 3 80 12.4  
H37 0.0017 43 70 4900 33.9 H VL 2 80 12.4  
H38 0.0021 53 80 5400 37.2 M VL 2 80 12.4  
H39 0.0017 43 85 5400 37.2 H VL 3 80 12.4  
H41 0.0025 63 60 3000 20.7 H VL 3 80 12.4  
H4399 0.0007 18 45 3000 20.7 M L 3 80 12.4  
H43 0.0019 48 65 3700 25.5 M L 2 90 14  
H44 0.0019 48 85 5500 37.9 M L 2 80 12.4  
H4425 0.0012 30.5 65 4000 27.6 M L 3 80 12.4
H4430 0.0023 58 48 2500 17.2 VH L 3 80 12.4  
H45 0.0025 63 60 3300 22.8 H VL 3 80 12.4  
H46 0.001 25 25 1500 10.3 M L 2 80 12.4  
H47 0.0025 63 45 1800 12.4 H L 2 80 12.4  
H49 0.0025 63 50 2000 13.8 H L 2 100 15.5  
H50 0.0021 53 60 2900 20 M L 2 90 14  
H51 0.0023 58 60 3200 22.1 M VL 2 80 12.4  
H52 0.0023 58 60 2900 20 H L 2 80 12.4  
H55 0.0011 28 50 3975 27.4 M L 3 75 11.6  
H57 0.0023 58 50 2600 17.9 M L 2 100 15.5  
H580 0.00036 9 40 3700 25.5 M L 1 100 15.5  
H61 0.0006 15 30 1500 10.3 M VL 2 75 11.6  
H74 0.003 76 55 1800 12.4 H VL 3 80 12.4  
H76 0.003 76 65 2400 16.6 H L 3 80 12.4  
H77 0.0026 65 45 1800 12.4 H VL 3 80 12.4  
H82 0.0015 37.5 64 5600 38.6 M L 2 80 12.4  
H83 0.0017 43 70 3000 20.7 H L 2 80 12.4  
HH 0.0006 9.5 40 3000 20.7 L L 1 75 11.6  
                       
Graphite                    
  Resistivity Shore Strength       Rated Current  
Grade Ohm-in mOhm-m   Hard PSI N/MM2  VD CF Film# Amp/in2  Amp/cm2   
H552 0.0005 13 15 2000 13.8 L L 2 60 9.3  
H610 0.0008 20 20 4700 32.4 M L 2 60 9.3  
H619 0.0019 48 35 4500 31 VL L 3 50 7.8  
H621 0.07 1780 45 4500 31 VL L 3 30 4.7  
H646 0.01 250 30 5000 34.5 H L 1 60 9.3  
H649 0.0098 245 35 2600 17.9 H L 2 65 10.1  
H651 0.01 250 35 4300 29.6 H L 2 55 8.5  
H700 0.0004 10 25 2300 15.9 M L 1 70 10.9  
H702 0.001 25 15 700 4.8 M M 1 60 9.3  
H704 0.0006 15 15 1000 6.9 M L 1 60 9.3  
H7240 0.17 4250 55 4000 27.6 VH M 2 25 3.9  
K018  0.0007 17.7 40 3000 20.6 M L 3 80 12.4  
K084 0.0012 30 28 3000 20.7 H L 2 80 12.4  
K094 0.055 1400 35 2300 15.9 VH M 2 55 8.5  
K174 0.008 200 20 1900 13.1 H L 3 55 8.5  
K194 0.0032 81 25 5000 34.5 H L 3 55 8.5  
K214 0.035 890 37 3000 20.7 VH L 2 55 8.5  
K224 0.008 200 30 4000 27.6 VH VL 2 55 8.5  
K244 0.04 1020 35 2600 18 VH L 2 40 6.2  
K254 0.0009 30 40 3500 24.2 M L 2 80 12.4  
K294 0.025 630 35 2000 13.5 H L 2 55 8.5  
                       
Copper Graphite                  
  Resistivity Shore Strength       Rated Current  
Grade Ohm-in mOhm-m   Hard PSI N/MM2  VD CF Film# Amp/in2  Amp/cm2  Metal%
6H1 0.00026 6.5 30 2700 18.6 M L 1 90 15.5 30
6H2 0.00012 3 30 3700 25.5 L L 1 110 17.1 40
6H3 0.00007 1.8 25 3200 22.1 L L 1 120 18.6 50
6H6 0.00038 9.7 30 2500 17.2 M L 1 90 14 15
6H7 0.000025 0.64 25 3400 23.4 L L 1 130 20.2 65
6H8 0.000013 0.33 23 4500 31 VL L 1 140 21.7 75
H670 0.00018 4.5 40 5100 35.2 L L 2 110 17.1 40
H671 0.00025 6.3 55 6000 41.4 L M 1 110 17.1 40
H680 0.000003 0.08 18 9300 64.1 L L 1 150 23.3 87
H682 0.000005 0.13 25 5100 35.2 L VL 1 140 21.7 75
H692 0.000003 0.07 18 8800 60.7 VL L 1 160 24.8 90
H693 0.000002 0.06 20 11500 80 VL L 1 175 27.1 95
H4333 0.00012 3 30 4000 27.5 VL L 2 130 20.2 40
H4375 0.00026 6.6 30 3000 20.7 VL L 2 110 17.1 30
K025 0.00007 1.8 25 3300 22.8 M L 1 120 18.6 50
K045 0.00011 2.8 25 4500 31.1 L L 2 110 17 40
K075 0.00026 6.6 25 4000 27.7 M L 2 100 15.5 30
K076 0.00002 0.5 13 13000 89.6 VL L 1 175 27.1 91
K085 0.00010 2.54 25 3300 22.8 M L 1 125 19.3 50
K086 0.000002 0.05 7 9000 62.1 VL L 1 160 24.8 91
K106 0.000004 0.1 8 4000 27.7 VL L 1 150 23.3 85
K115 0.00004 1.02 10 4000 27.68 L L 2 110 17.05 35
K126 0.000007 1.8 7 7100 49 VL M 1 200 31 95
K136 0.000013 0.33 20 4800 33.1 VL L 1 140 21.7 75
K165 0.0003 6.6 25 2500 17.2 L L 2 110 17.1 43
K175 0.00016 4.06 45 5000 34.4 L L 2 110 17.1 40
K176 0.000033 0.84 25 5000 34.5 L L 1 130 20.2 65
K216 0.0001 2.54 20 4000 27.5 L L 1 140 21.7 77.5
K236 0.00002 0.5 20 9000 62.05 L VL 1 150 23.3 85
K286 0.000015 3 5 6000 41.3 L L 1 160 24.8 94
K535  0.00004 1.0 25 5000 34.6 H VL 2 125 19.0 50
Silver Graphite                  
  Resistivity Shore Strength       Rated Current  
Grade Ohm-in mOhm-m   Hard PSI N/MM2  VD CF Film# Amp/in2  Amp/cm2  Metal%
K017 0.00007 1.8 20 3800 26.2 VL L 2 140 21.7 50
K037 0.000002 0.05 6 6000 41.4 VL L 1 200 31 91
K047 0.0003 7.6 25 4500 31.1 L VL 2 100 15.5 29
K057 0.000006 0.16 20 5500 37.9 VL VL 1 160 24.8 75
K087 0.00006 1.52 25 3500 24.1 VL L 3 130 20.1 50
K167 0.000002 0.055 10 6000 41.4 VL VL 1 200 31 90
K227 0.00004 1.06 20 3400 23 VL L 1 150 23.3 60


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