Name | Chemical Composition(%) | ||
SiO2 | 65~80% | Moisture | ≤0.5 |
Al2O3 | 10~18% | Solubility | Soluble in high concentration of hot alkali |
CaO | 2.0~5.0.% | PH | neutral |
Fe2O3 | 1.5~2.5% | Packing density | 800~1200Kg/M3 |
K2O | 1.5~4.0% | Weightlessness | 3.0±2 |
MgO | 1.0~2.0% | Softening point | 1100ºC~1300ºC |
Na2O | 2.0~4.0% | Melting point | 1200ºC~1550ºC |
TiO2 | 0.01~0.03% | Proportion | 1.0~2.5g/ml |










Quality Control for Our Melting Process


X-Ray Fluorescence Spectrometer




A1: Factory, We have our own warehouses and factories. but we can also export items to you directly for having export right.
Q2: How are the products' quality?
A2: The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q3: How to guarantee the quality?
A3: Our factory lab can supply the quality report ,and we can arrange third party inspection when cargo arriving loading port .
Q4: Can you supply the special size and packing?
A4:Yes, we can supply the size according to buyers'request.
Q5: What's the MOQ of trial order?
A5: No limit,We can offer the best suggestions and solutions according to your condition.
Q6: How long is delivery time?
A6: The delivery time will be determined according to the quantity of the order.
Q7: What are the payment terms?
A7: Usually T/T,but L/C are available for us.
Q8: Do you provide samples?
A8: Yes, samples are available.