| Customization: | Available |
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| Alumina Percent: | 17-23% |
| Sio2: | >70% |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Chemical Analysis
| Al2O3 | 17-23% |
| SiO2 | >70% |
| Fe2O3 | <1.0% |
| CaO | <1.5% |
| MgO | <0.5% |
| K2O + Na2O | <3.5% |
| Other | <1% |
| Item | Value |
| Water absorption | <0.5% |
| Apparent porosity (%) | <1 |
| Specific gravity | 2.3-2.35 |
| Operation temp.(max) | 1000ºC |
| Moh's hardness | >7 scale |
| Acid resistance | >99.6% |
| Sizes (mm) |
Thickness (mm) |
Surface area (m2/m3) |
Free volume (%) |
Number per m3 |
Bulk density (kg/m3) |
| 25 | 3 | 210 | 73 | 53000 | 580 |
| 38 | 4 | 180 | 75 | 13000 | 570 |
| 50 | 5 | 130 | 78 | 6300 | 540 |
| 80 | 8 | 110 | 81 | 1900 | 530 |



Packaging & Shipping
|
Package Type |
Container Load Capacity |
Delivery time |
Quality Insurance |
Payment Terms |
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|
20 GP |
40 GP |
40 HQ |
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|
Ton bag |
20-24 m3 |
40 m3 |
48 m3 |
Within 3-10 days |
Chinese National Standard; Offer quality assurance as request. |
T/T, L/C, Paypal, West Union |

1.Q:Are you trade company or manufacture?
A:We are manufacture with more than 14 years experience,and the price is the factory price.
2.Q:How to control the quality?
A:We have strict quality by QC team.
3.Q:How long is the delivery time?
A:It is about 5 days after payment for stoct goods,10-15 days for new producing goods.
4.Q: How to get the sample ?
A: Please contact us for send your samples.
5.Q:What is the payment terms?
A:Flexible and diverse payment ways can be chosen, make you more convenient .
Generally,30% in advance,70% before shipment
6.Q:Can you do OES service?
A:Yes,size & shape could be made as customer requirment