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Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O+CaO | Other |
> 94% | 92% | <1% | 0.1% | <1% | <0.5% |
Item | Value |
Water absorption (%) | <4 |
Bulk density (g/cm3) | 1.8-2.0 |
Specific gravity (g/cm3) | 3.6 |
Free volume (%) | 40 |
Operation temp.(max) (℃) | 1550 |
Moh’s hardness (scale) | >9 |
Acid resistance (%) | >99.6 |
Alkali resistance (%) | >85 |
Size | Crush strength | ||
Kgf/particle | KN/particle | ||
1/8''(3mm) | >40 | >0.4 | |
1/4''(6mm) | >80 | >0.8 | |
3/8''(10mm) | >190 | >1.90 | |
1/2''(13mm) | >580 | >5.8 | |
3/4''(19mm) | >900 | >9.0 | |
1''(25mm) | >1200 | >12.0 | |
1-1/2''(38mm) | >1800 | >18.0 | |
2''(50mm) | >2150 | >21.5 | |





Q: How do I pay for my purchase order? A: T/T, Irrevocable L/C at sight, Paypal,Western Union, etc... Q:What’s your company Production Capacity? A:More than 2000cubic meter/Month. Q: What's the MOQ? A: Our MOQ is 1cubic meter. If the quantity less than 1cubic meter,the price will be higher. Q: What's the delivery time for MOQ? A: It will takes about 3 days. But the exact time is according to actual situation. Q: Can I have my own customized product? A: Yes, your customized requirements are welcome. Q: Do you have quality control? A: Yes, we have ISO, SGS, some other third party certificate and our company’s QC depart can do the regular test . Q:Which countries and the main Clients your company export the goods to? A: UK, USA, France, Kazakhstan, Japan, Korea, Singapore, Belgium, Russia, Netherland , Middle East etc. | ||||||||
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