1.electrode paste properties
| Item | sealing paste | standard electrode paste | Chemical electrode paste | |||
| 1# | 2# | 1# | 2# | 3# | ||
| Ashnot over
%, |
4.0 | 6.0 | 7.0 | 9.0 | 11.0 | 11.0 |
| Valotile not over
% |
12.0～15.5 | 12.0～15.5 | 9.5～13.5 | 11.5～15.5 | 11.5～15.5 | 11.5～15.5 |
| Flexural strength not below
MPa |
18.0 | 17.0 | 22.0 | 21.0 | 20.5 | 18.0 |
| Resistivity not over
μΩ·m |
65 | 75 | 80 | 85 | 90 | 90 |
| Bulk density not below
g/cm3 |
1.38 | 1.38 | 1.38 | 1.38 | 1.38 | 1.38 |
| Extension rate
% |
5～20 | 5～20 | 5～30 | 5～20 | 15～40 | 5～25 |
| Remarks:
1. Extension rate is a reference data 2. According to YB/T5215-1996. |
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2.Big gap sealing paste property
| Item | Unit | Property |
| Ash not over | % | 8 |
| Volatile not over | % | 12 |
| Modulus of compression not below | MPa | 14.7 |
| Remarks:1. According to standard YB2807-91 | ||
3.Carbon mortar property
| Item | Unit | Property |
| Ash not over | % | 10 |
| Volatile not over | % | 39 |
| Moisutre not over | % | 1.0 |
| Carbon content not below | % | 50 |
| Gap sealing stress test, not over | mm | 1.0 |
| Binding strength not below | MPa | 8 |