Complaint
Silicon carbide/Carborundum Introduction
Silicon carbide, exceedingly hard, synthetically produced crystalline compound of silicon and carbon.Its chemical formula is SiC.
The only compound of silicon and carbon is silicon carbide (SiC),carborundum.Silicon carbide does occur naturally as the mineral moissanite, but this is extremely rare.
However, it has been mass produced in powder form for use as an abrasive since 1983. It has been an important material for sandpapers, grinding wheels, and cutting tools.
Silicon Carbide Powder Feature
1.Good oxidation resistance and chemical stability at high temperatures.
2.High hardness with Mohs 9.2-9.3. Even at 2000ºC, it's still get high strength.
3.Excellent toughness.
4.Low thermal conductivity. So it can resistant to themal shock.
5.High purity min SiC content is 98.5%.
6.High bulk density.
7.Black silicon carbide grit is washed by water before milling process, so there is few impurities.
Slicon Carbide Size Available
0-1mm,1-3 mm, 3-5mm, 5-8mm,200-0mesh,325mesh,
#60,#80,#100,#120,#180,#220,#240...
Other special spec. could be supplied as required.
Applications of black silicon carbide
Sliding parts (mechanical seals, bearings, shafts)
Crusher parts (classifier, airflow type crusher, beads mills)
Semiconductor manufacturing equipment parts (XY stages, MOCVD trays, focus rings, water chucks)
Molding machine parts (glass lens molding machine parts)
Heat resistant parts (burner nozzles, high temperature testing machine parts, metal melting crucibles)
Abrasion resistant parts (blast nozzles, shot blasting blades, buried pipe guard plates, fishing rod yarn paths)
Silicon Carbide Powder Chemical Composition
| CHEMICAL CONTENT | |
| SiC | 98% min |
| SiO2 | 1% max |
| H2O3 | 0.5% max |
| Fe2O3 | 0.4% max |
| F.C | 0.4% max |
| Magnetic Material | 0.02% max |
| PHYSICAL PROPERTIES | |
| Moh's Hardness | 9.2 |
| Melting Point | 2300ºC |
| Working Temperature | 1900ºC |
| Specific Gravity | 3.2-3.45 g/cm3 |
| Bulk Density | 1.2-1.6 g/cm3 |
| Color | Black |
| Elasticity Modulus | 58-65x106psi |
| Coefficient of Thermal Expansion | 3.9-4.5 x10-6/ºC |
| Thermal Conductivity | 71-130 W/m.K |
| Grain Size | |
| 0-1mm,1-3 mm, 3-5mm, 5-8mm,200-0mesh,325mesh, #60,#80,#100,#120,#180,#220,#240... Or custmozed | |
Silicon Carbide Powder Application
For abrasive: Lapping, Polishing , Coatings, Grinding , Pressure blasting.
For refractory: Refractory media for casting or metallurgical linings ,Technical Ceramics.
For new-type application: Heat exchangers ,Semiconductor process equipment , Liquid filtration.
Packaging: 25kg/bag, two layers kraft bag with water proof, and with ton bag outside or each ton packed on a fumigation pallet according to customers' request.
Zhengzhou Rongsheng Refractory Material CO., LTD.
Established in the early nineties of twenty century, with continuous innovation and development, now it is a comprehensive enterprise in refractory materials industry, covering metallurgy, building materials, electric power, chemical industry etc.
We have own workshop , advanced production line , experienced workman and stricted check out flow .
So choosing us is the right choice for you.If you are interested in our Low cement refractory castables or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.
Now we have established cooperation relationship with many science and research unit and our products have been sold to Japan, Indonesia, Russia,Kazakhstan and Vietnam etc.
We provide service that bring 100% of our customers back.
So many customers make business with Rongsheng Refractory.We have no gap in communication.The customers all keep long-term relationships with us.
Q1. Are you Manufacturer?
A: Yes, of course, our factory is in Xinmi,zhengzhou city,Henan province.
Q2. Can we visit your company?
A: Sure,welcome at any time,seeing is believing.
Q3. Do you accept OEM?
A: Yes, we can do OEM.
Q4. What's the MOQ of trial order?
A: No limit,We can offer the best suggestions and solutions according to your condition.
Q5. What are the payment terms?
A: Usually T/T,but L/C,Western Union etc are available for us.
Q6. How long is delivery time?
A: The delivery time will be determined according to the quantity of the order.
Q7. How are your products' quality?
A: The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q8. How to solve the quality problems?
A: If the products are not confirmed to customer samples or have quality problems,our company will be responsible to make compensation for it.
Q9. What is the service life of your bricks?
A: The service life of different bricks is unlike.It also depends on your using condition and method.
Q10.How about your company's certification?
A: ISO9001 and Test Report,also we could apply other necessary certification.
