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About UsThe company's annual output of 40,000 tons of fused ceramic sand (Ceramic Sand) project is located in Yingzhang Industrial Park, Industrial Gathering Zone, Mianchi County, Henan Province.
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ProductsThe company's annual output of 40,000 tons of fused ceramic sand (Ceramic Sand) project is located in Yingzhang Industrial Park, Industrial Gathering Zone, Mianchi County, Henan Province.
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CasesThe company's customers cover more than ten countries and regions in Asia, America and Europe. And with a number of international such as famous enterprises to establish a war road partnership.
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NewsAt the beginning of the establishment of our company, we cooperated with Japan Ladyhouse Co., Ltd. and adopted many advanced technologies of Ladyhouse.
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ContactThe company's customers cover more than ten countries and regions in Asia, America and Europe. And with a number of international such as famous enterprises to establish a war road partnership.
Ceramic Sand for Cold Core Box Casting
Classification:
Key Words:
Ceramic Sand
Telephones： 0086-0398-3186627
- Product Description
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- Product Name: Ceramic Sand for Cold Core Box Casting
Molten ceramic sand (ceramic sand) for the cold core box process, the core sand can be used for a long time, the mold time is short, high production efficiency, low energy consumption, suitable for mass core production, can be used 30/50,40/70,50/100 and other particle size of molten ceramic sand (ceramic sand).
Physical and Chemical Properties of Molten Ceramic Sand
grain shape
spherical
angular coefficient
≤ 1.1
Color
black brown
Al₂O₃
65-85%
Refractory temperature
≥ 1800 ℃
Fe₂O₃
≤5%
Accumulation specific gravity
1.95-2.05g /cm3
SiO₂
12~25%
true density
3.4g /cm³
TiO₂3
~4.5%
Thermal conductivity
(1200 ℃)5.27W/M·K
P H value
7~8
coefficient of expansion
(20~1000 ℃)6 × 10-deg/℃
Granularity
6 ~ 320 eyes (φ 0.053 ~ 3.36mm)
Molten ceramic sand (ceramic sand) commonly used particle size:
8/12, 12/20, 30, 20/40, 30/50, 40/70, 100, 140, 140/200, etc.
Characteristics of fused ceramic sand (ceramic sand)
1. The thermal expansion rate is small-the expansion rate of molten ceramic sand (ceramic sand) after heating is 1/5 of silica sand and 1/2 of chromite sand. The castings produced have high dimensional accuracy, few veins and crack defects, and high casting yield;
2, The sand is spherical, the surface is smooth, so that the binder can be evenly covered and less consumption, sand liquidity is good, easy to spring, and good air permeability;
3, Is a neutral material-acid, alkali binder can be used;
4, High fire resistance-reduce the tendency of casting sand;
5. Good crushing resistance-ceramic sand is dense in material, high in compressive strength, low in crushing rate during repeated use, which reduces waste sand emissions and is conducive to environmental protection;
6, Cost-effective-compared with zircon sand, its price is only 20 to 40% of zircon sand. At the same time, because the sand is spherical, its surface area is small, the amount of binder can be reduced by 30% to 50%;
7. Wide range of applications-water glass sand, resin sand, precision casting, 3D printing, polishing and cleaning of copper and aluminum parts, etc.
Application of Molten Ceramic Sand (Ceramic Sand) on Cold Core Box Casting
The cold box process refers to a resin sand forming process that is instantaneously formed at room temperature by means of gas or aerosol catalysis/hardening. The most common for the triethylamine method, the use of phenolic-urethane resin, blowing triethylamine gas hardening. The characteristics of the process are: the core sand can be used for a long time, the mold time is short, the production efficiency is high, the energy consumption is low, suitable for the production of large quantities of core, widely used in the automotive diesel engine industry.
Diesel engine castings, such as cylinder blocks, cylinder heads, intake and exhaust pipes, etc., have some cores with complex shapes, small local cross-sectional areas, and are prone to false shots, fractures, etc., or veins in castings due to the large thermal expansion of quartz sand., There is also a relatively high probability of defects such as sand sticking and pores. The use of ceramic sand or ceramic sand and quartz sand mixed in proportion, the amount of resin added to reduce 20 to 30%, the above defects have been significantly improved, while the sand core collapsibility is very good, reducing the cleaning workload. Thus, only in recent years, almost all of the larger diesel casting foundries, the use of the ceramic sand cold core box process.
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Mianchi Chenghui New Material Co., Ltd.
Telephone:0086-0398-3186627
Mobile:0086-13809005912
E-mail:13809005912@163.com
Address: Yingzhang Industrial Park, Zhangcun Town, Mianchi County, Henan Province
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