Complaint
| Composition | Value |
| SiO2 | >69% |
| Al2O3 | 17-23% |
| SiO2+ Al2O3 | >92% |
| Fe2O3 | <1.0% |
| CaO | <0.25% |
| MgO | <2% |
| K2O+Na2O | 2-4% |
| other | <1% |
| Index | Unit | Value |
| Porosity | Vol% | 1 |
| Specific heat | KJ/Kg | 840-900 |
| Crush strength | N/mm2 | 390-420 |
| Specific gravity | g/cm3 | 2.3-2.45 |
| Acid Resistance | % | 99.98 |
| Firing temperature | °C | 1280 to 1320 |
| Softening point | °C | >1400 |
| Water absorption | % | <0.2 |
| Thermal Expansion | 10-6mm/mm°C | 4.7 |
| Hardness | Mohr Scale | 7-8 |
| Comprehensive strength | Newtons | 5600 |
| Shock strength | KgfNaN/cm2 | 1.0-1.5 |
| Nominal Size | Approx. Weight | Surface area | Void Fraction(%) | Dry Packing factor(m-1) | ||
| 1b/ft3 | Kg/m3 | ft2/ft3 | m2/m3 | |||
| 1" | 40 | 645 | 79.5 | 260 | 77 | 570 |
| 1.5" | 37.5 | 600 | 64 | 210 | 78 | 430 |
| 2" | 35.6 | 570 | 42.8 | 140 | 79 | 277 |
| 3" | 36 | 580 | 32 | 105 | 77 | 206 |
Packaging & Shipping
Package Type | Container Load Capacity | Delivery time | Quality Insurance | Payment Terms | ||
20 GP | 40 GP | 40 HQ | ||||
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
