Main Properties:
Item |
SK-30 |
SK-32 |
SK-34 |
SK-36 |
SK-38 |
AL2O3%(min) |
30-35% |
35-38% |
38-42% |
50-55% |
65-70% |
Fe2O3%(max) |
3.5 |
3.2 |
3.1 |
2.5 |
2.3 |
Refractoriness |
≥1630℃ |
≥1660℃ |
≥1700℃ |
≥1730℃ |
≥1780℃ |
Refractoriness under load,0.2MPa,(℃) |
≥1270 |
≥1350 |
≥1350 |
≥1380 |
≥1400 |
Apparent porosity(%) |
24 |
24 |
23 |
22 |
20 |
Bulk density(g/cm³) |
2.00-2.05 |
2.05-2.1 |
2.1-2.15 |
2.15-2.25 |
2.25-2.35 |
Cold crushing strength(MPa) |
≥25 |
≥30 |
≥35 |
≥45 |
≥50 |
Thermal expansion at 1000℃(%) |
≤0.6 |
≤0.55 |
≤0.55 |
≤0.4 |
≤0.4 |
Package:fumigation pallet |
|||||
Size: Can be customized according to customer requirements |
Our service:
1. Strict QC & Fast delivery.
2. Free samples are available by freight collect.
3. High quality goods, Perfect Pre-sales, and good designing service.
4. Welcome to visit our factory at anytime on site or online .
5. We will update you the production process after placing order by photos or online.
6. We have special after-sales team to solve your problem during using our products.