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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 |
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