- Material: | Silicon Carbide / Boron Carbide / Alumina |
- Typical Characteristics: | 1. High Hardness |
2. High Strength | |
3. Light Weight | |
4. High Impact Resistance | |
5. Good Toughness | |
- Available Shapes: | 1. Square Plates |
2. Hexagonal Plates | |
3. Arc Plates | |
4. Curved Plates | |
5. Cylindrical Balls | |
- Bulletproof Grade: | NIJ III / IV |




Properties / Material | SiC | B4C | Alumina |
Density (g/cm3) | 3.13 | 2.5 | 3.85 |
Rockwell Hardness (HRA) | >93 | >93 | >88 |
Vickers Hardness (kg/mm2) | >2650 | >2900 | >1600 |
Modulus Of Elasticity (GPa) | >415 | >420 | >330 |
Fracture Toughness (MPa.m1/2) | >4 | >4.5 | >2.5 |
Flexural Strength (MPa) | >400 | >400 | >300 |





In order to further meet the needs of our customers for silicon carbide, Baotong has built a new 40000Kva silicon carbide smelting production line, which has been put into use, and the monthly output of silicon carbide blocks has reached 6000-7000 tons.



No.1: We are Manufacturer of refrcatory materials, If our salesman cannot reply you immediately, pls leave your email or phone number, we can let our technician directly help you ASAP.
No. 2: Our Reputation was built in the past years , You can always get satisfied with our services.
No. 3: We have good Connection with Shipping Company, Agency, as well as the local custom and port authority. Making sure we Deliver on time.
No. 4: We can provide you the best price, and what you will get from us is our best effort in service and the hospitality that you are willing to become our Friend.
So choosing us is the right choice for you.If you are interested in our products or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.
Q: Are you trading company or manufacturer ?
A: We are factory and also trading company.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
If you have another question, feel free to contact us.