Brand
Properties |
ZT-1 |
ZT-2 |
ZGJ-18A |
ZT-18HS |
ZT-18H |
Chemical Composition (%) |
Al 2 O 3 |
≥98 |
≥95 |
≥95 |
≥95 |
≥95 |
SiO 2 |
≤0.2 |
≤0.5 |
≤0.2 |
≤0.4 |
≤0.4 |
Max service temperature (°C) |
1850 |
1800 |
1800 |
1800 |
1800 |
Bulk density after burnt at 110°C (g/cm 3 ) |
≥3.1 |
≥3.0 |
≥2.9 |
≥3.0 |
≥3.1 |
Linear changing after burnt at 1500°C×3h (%) |
-0.2 ~ 0.6 |
-0.2 ~ 0.6 |
-0.2 ~ 0.7 |
-0.2 ~ -0.3(1100°C) |
±0.5 |
Compressive/Bending Strength (MPa) |
110°C×24h |
≥20/≥4 |
≥60/≥7 |
≥50/≥4 |
≥60/≥8 |
≥70/≥7 |
1100°C×3h |
≥50/≥6 |
≥70/≥8 |
- |
≥70/≥9 |
≥80/≥10 |
1500°C×3h |
≥60/≥10 |
≥100/≥15 |
≥100/≥15 |
≥120/≥10 |
≥150/≥15 |
Max grain size of aggregate ( mm) |
5-6 |
5-6 |
5-6 |
3 |
5-6 |
Water content for construction by weight ( % ) |
5-6.5 |
5-6.5 |
5-6 |
5-6 |
5-6 |
Usage |
High temperature furnace |
RH vacuum Refining and Oher high Teperature kilns |
RH vacuum Refining Soft carbon black Reaction furnace |
Petrochemical |
RH Soft carbon black |
Test standard |
YB/T5202-2003 |
Packing |
25kgs Plastic bag |
