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Grade Chart | | Grade | GM | LT | HT | SR | CXT | | µ·in | 197 | 197 | 197 | 394 | 787 | | µ·m | 5 | 5 | 5 | 10 | 20 | | g/cc | 1.74 | 1.77 | 1.74 | 1.80 | 1.70 | | lb./in.3 | 0.063 | 0.064 | 0.063 | 0.065 | 0.061 | | psi | 18,800 | 22,500 | 19,700 | 15,600 | 15,900 | | MPa | 130 | 155 | 136 | 108 | 110 | | psi | 11,800 | 12,500 | 11,800 | 8,400 | 9,800 | | MPa | 81 | 86 | 81 | 58 | 68 | | Shore | 74 | 96 | 74 | 68 | 71 | | µin/in°F | 4.5 | 4.7 | 4.5 | 4.6 | 4.2 | | µm/m°C | 8.1 | 8.5 | 8.1 | 8.3 | 7.8 | | Btu-ft/h-ft2-°F | 50 | 35 | 50 | 57 | 50 | | W/m-K | 85 | 60 | 85 | 98 | 85 | | µOhm-in. | 580 | 965 | 580 | 575 | 695 | | µOhm-m | 14.7 | 24.5 | 14.7 | 14.6 | 17.6 | | °F | 842 | 878 | 1,125 | 860 | 842 | | °C | 450 | 470 | 607 | 460 | 450 | (1) Approximate values taken at room temperature; as temperature increases, thermal conductivity decreases.
(2) Oxidation threshold is defined as temperature at which oxidation weight loss after 24 hours is approximately 1%. | | |
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Additional Information | | Entegris Entegris welcomes POCO to the family. | | How to Buy POCO products are available through a variety of outlets. | | Quality Poco Graphite is committed to providing the highest quality graphite materials to its customers. | | Literature Download information about specific POCO products or Material Safety Data Sheets (MSDS). | | Contacts Get address, phone, fax and email information for POCO and its Distributors. | | Careers Note that you will be redirected to our parent company website, entegris.com, to search available positions. | | Training EDM Training Classes Free to the Industry |
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