Sintered Silicon carbide batts of refractory kiln furniture used
with Pottery tools
1. Description
Silicon carbide kiln shelf,Silicon Nitride Bonded Sic Brick / SiC
brick is made of high quality synthetically made silicon carbide
grains (SIC) and selected bonding components, including nitride,
Si3N4.
The Si3N4 SiC Blocks is widely used in as lining bricks of large
aluminum electrolytic cell. Using nitride bonded silicon carbide
products to enlarge the tank capacity, improve the thermal
conductivity, enable rapid cooling and increase the tank production
capacity at the same time. On its surface can form alumina and
cryolite of eutectic content, which can protect the tank lining
work layer, prolong the tank's service life, therefore, silicon
nitride bonded kiln shelf silicon carbides is a welcomed product in
aluminum industry.
With SiC as the main raw material for refractories. Containing
SiC72% ~ 99%.
Combined into clay, Si3N4 combined, Sialon with, β-SiC with, Si2ON2
combined and re-crystallization kiln shelf silicon carbide.
2. Silicon carbide batts features and advantages
good thermal condutivity
good high temperature strength
wear resistant
good thermal shock resistance
Low thermal conductivity.
Low thermal expansion.
Excellent oxidation resistance.
Excellent corrosion resistance.
long duration.
Silicon carbide kiln shelves have the characteristics of high
flexing strength at elevated temperatures, high thermal shock
resistance. High corrosion resistance and high thermal
conductivity, high resistivity against alkalis.
3. Specifications
item | Technical Data |
volume density(g/cm3) | 2.70-2.75 |
apparent porosity(%) | 7-8 |
strength at normal temperature(Mpa) | >50 |
high temperature bending strength(Mpa/1400℃) | >55 |
cold crushing strength
(Mpa) | >90 |
refractoriness under load
(℃) | >1750(T2)2Kg/cm2 |
maximum service temperature (℃) | 1450 |
pyroconductivity (Kcal/m.h.℃) | 13.5-14.5 |
thermalexpansivity (×10-6/℃) | 4.2-4.8 |
| SiC>90% |
Fe2O3<0.3% |
Al2O3>99%(surface coating) |
4. Package
We use high strength plywood box and pallet to pack. it is very
good packing,
When shipping, sometimes package will have damage, so we have to be
very careful when packing. Our customer said our package is very
good, every time they receive pacakge, they find no damage, It is
what we expect.
Every year, our customer will visit our factory and our city, they
are very happy with our work.They say, China is more and more
important in the world, Made in China is also a important in the
world, without Made in China, they can not live well.
We are reliable and good partner.
