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Grade Chart
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| Grade |
GM |
LT |
HT |
SR |
| µ·in |
197 |
197 |
197 |
394 |
| µ·m |
5 |
5 |
5 |
10 |
| g/cc |
1.74 |
1.77 |
1.74 |
1.80 |
| lb./in.3 |
0.063 |
0.064 |
0.063 |
0.065 |
| psi |
18,800 |
22,500 |
19,700 |
15,600 |
| MPa |
130 |
155 |
136 |
108 |
| psi |
11,800 |
12,500 |
11,800 |
8,400 |
| MPa |
81 |
86 |
81 |
58 |
| Shore |
74 |
96 |
74 |
68 |
| µin/in°F |
4.5 |
4.7 |
4.5 |
4.6 |
| µm/m°C |
8.1 |
8.5 |
8.1 |
8.3 |
| Btu-ft/h-ft2-°F |
50 |
35 |
50 |
57 |
| W/m-K |
85 |
60 |
85 |
98 |
| µOhm-in. |
580 |
965 |
580 |
575 |
| µOhm-m |
14.7 |
24.5 |
14.7 |
14.6 |
| °F |
842 |
878 |
1,125 |
860 |
| °C |
450 |
470 |
607 |
460 |
(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. | | EDM Distributors Find your local EDM distributor | | 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 | | EDM Blog Keep up to date with what's new at POCO and in the industry. |
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