Refractory Bricks Calcined Flint Clay Crushed Grains 8mm 15mm
3-1mm Grain Size Calcined Flint Clay Calcined Kaolin 45% for Ceramic Materials
1. Calcined Flint Clay Introduction
Calcined flint clay is mainly used for manufacturing refractory bricks, refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products.
2. Calcined Flint Clay Specifications
| Item/Grade | FC45 | FC44 | FC43 | FC42 | FC40 |
| AL2O3 % | 46-48 | 44-48 | 43-48 | 42-46 | 40-46 |
| SiO2 % | 49-52 | 50-53 | 50-53 | 50-53 | 50-54 |
| Fe2O3 % (max) | 1.0 | 1.3 | 2.0 | 2.5 | 3.0 |
| Ti02 % (max) | 0.8 | 0.9 | 1.0 | 1.1 | 1.2 |
| K2O+Na2O % (max) | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 |
| Ca0+Mg0 % (max) | 0.5 | 0.5 | 0.5 | 0.6 | 0.7 |
| Bulk density g/cm³(min) | 2.58 | 2.52 | 2.45 | 2.40 | 2.37 |
| Refractoriness °C(min) | 1780 | 1760 | 1740 | 1720 | 1710 |
| Impurities % (max) | 0.5 | 2.0 | 3.0 | 3.5 | 4.0 |
3. Calcined Flint Clay General advantages
- High refractoriness.
- Stable physical characteristics.
- High bulk density.
- Low porosity.
- Low water absorption.
- Completely calcined evenly.
- Low impurity contents.
4. Calcined Flint Clay Characteristics
- High refractoriness.
- Physicochemical stability.
- Bulk density high.
- Low porosity.
- Low water absorption.
- Fully calcined
- Low impurity content.
- Pure white.
5. Calcined Flint Clay Particle sizes Available
- Size of sand: 8-16,16-30,30-60,30-80,60-80,80-120 (mesh):Used for investment casting.
- Size of powder: -200mesh,-270mesh,-325mesh: Used for investment casting and refractories.
- Size of particle: 0-1mm,1-3mm,3-5mm,5-8mm,8-15mm,0-5mm,0-50mm:Used for refractories.
6. FAQ
1. Can I get free samples?
Yes, free samples 1-2 kg.
Please advise your contact details.
( Like your company name, address, phone No. etc.)
We will arrange sample immediately, you will get it within 5 days by DHL.
2. What's your payment terms?
30% deposit in advance, 70% balance to be paid against the B/L copy.
3. What's your delivery time?
Production time: 5-15 days after deposit payment received.
4. Are you manufacturer or trade company?
We are manufacturer, the factory is located in Zibo, Shandong Province, China. Welcome to visit our company at any time.
5. Why choose us?
√ Your order production will be under strict control to ensure the products quality
√ Professional producing process and strict QC team
√ Reasonable price
√ Shipment on time
√ We are experienced in refractory export. We are already exporting refractories to Japan, Korea, India , Netherlands, Bangladesh, Sri Lanka, Myanmar, Vietnam etc.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.