Alunima Sand for Precision Casting

Alunima Sand for Precision Casting

This Nice Foundry Sand is a kind of artificial foundry sand. It is mainly made of Al2O3 and is calcined, melted, granulated and selected at high temperatures. NFS is a premium alternative to silica sand and is known as green sand. Its shape is mostly close to a spherical shape, with a smooth surface and a small specific surface area. It has good breathability and good flow, easy to fill and can make the surface perfect. In addition, it can flow very easily and is easy to clean.
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Product Details

The pursue of the company, is definitely the clients' pleasure for Silicon Nitride, Activated Alumina, Garnet Abrasive For Waterjet Cutting. We take the professional, differentiated and refined management approach, and we can become your most reliable long-term partner. We welcome new and aged buyers from all walks of daily life to get hold of us for upcoming business enterprise interactions and acquiring mutual good results! Our company has advanced management mode, business philosophy and design and production capacity. In order to ensure that users get honest service. We take the technology as the forerunner and market for development, and strive for survival by quality as the basic concept.

Product description:

1. This Nice Foundry Sand is a kind of artificial foundry sand. It is mainly made of Al2O3 and is calcined, melted, granulated and selected at high temperatures. NFS is a premium alternative to silica sand and is known as green sand. Its shape is mostly close to a spherical shape, with a smooth surface and a small specific surface area. It has good breathability and good flow, easy to fill and can make the surface perfect. In addition, it can flow very easily and is easy to clean.

2. Nice Foundry Sand's low thermal expansion rate makes it possible to make casting more precise, less cracking and higher yield. Its good crack resistance and high density make it a reusable material and is more beneficial for environments that produce less sand. Its main element is Al2O3, so it has good fire resistance. Its use temperature exceeds 1790 °C. Nice Foundry Sand has a pH of 7.6 and has stable chemical properties. Compared to chromite sand and zircon sand, this product offers cost and performance advantages that provide an effective way to improve casting quality, reduce costs and reduce environmental damage.


Physical Index:

Grain Shape

Ball

Color

Black Brown

Angle Factor

<1.1

Refractoriness

>1820℃

Bulk Density

1.95-2.05g/cm3

Thermal expansion

0.13%10 minutes at 1000℃

Heat Conductivity

(1200℃) 5.27W/ M·K

Size

5-320 mesh


Chemical Composition:

Al2O3

>70-85%

Fe2O3

<3%

TiO2

<1.5-3.5%

SiO2

<8-20%


'Quality initially, Honesty as base, Sincere company and mutual profit' is our idea, in order to create repeatedly and pursue the excellence for Alunima Sand for Precision Casting. We have always been adhering to the concept of innovation and development, optimized structure as the foundation, and technological innovation as the driving force. In the market, the competitive characteristics that an enterprise must possess for survival or becoming a competitor.
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