High-Purity Black Corundum, Industrial-Grade Sandblasting, Grinding And Polishing Sand

Features

This black corundum has high Mohs hardness, moderate toughness, stable physical and chemical properties, high temperature resistance, acid and alkali resistance, and strong impact resistance.

Its core advantages play a significant role in various industrial application scenarios. In the field of sandblasting and grinding, the sharp-edged black corundum particles, as sandblasting abrasives, can quickly and efficiently remove rust, scale, oil stains and burrs from the surfaces of metals, castings and steel structures. After grinding, the surface roughness is uniform without damaging the substrate itself. 

Application

It is suitable for pre-treatment sandblasting of metal surfaces in automobiles, machinery, ships, etc., and can also be used for grinding and polishing of stone and glass, improving processing efficiency and finished product finish. In the field of refractory materials, the high-aluminum and low-iron black corundum segment sand and micro-powder are high-quality aggregates and powders for making high-aluminum refractory bricks, refractory castables, and plastics. They can effectively improve the refractoriness, high-temperature strength and erosion resistance of refractory products, and are widely used in the lining construction of high-temperature industrial furnaces in metallurgy, ceramics, kilns, etc. 

In other industrial scenarios, it can be used as a bonded abrasive raw material for grinding wheels, sandpaper, grinding heads and other abrasives, and as an aggregate for industrial wear-resistant floors and anti-skid pavements, improving the wear resistance and anti-skid performance of floors and pavements and extending their service life. At the same time, it can also be applied to water treatment filtration, sandblasting room abrasive recycling and other scenarios, adapting to diversified industrial needs.

Advantages

Chuangwei Minerals has a standardized black corundum smelting and processing workshop, equipped with professional electric arc furnace smelting, precision crushing and screening, magnetic separation and iron removal equipment, and has established a complete quality control and testing system. 

From raw material proportioning, high-temperature smelting to finished product grading and magnetic separation for iron removal, it conducts multi-link sampling tests on core indicators such as aluminum content, hardness, particle size uniformity, iron content and refractoriness of black corundum throughout the process to ensure that each batch of products has uniform particles, intact edges and corners, and impurity content far lower than industry standards, meeting the usage requirements of various industrial scenarios. 

Quality & Service

The product specifications are complete. 8-12 mesh, 12-24 mesh, 24-40 mesh and other commonly used sandblasting meshes, 0-5mm full-specification segment sand and micro-powder are all available for direct delivery from stock. Special meshes and customized particle sizes can be processed on demand with a short delivery cycle, which can meet the different needs of small-batch processing and trial production and large-batch industrial procurement.

The product packaging adopts moisture-proof and wear-resistant woven bags and ton bag designs, with inner film added to prevent leakage. It can be customized into 25kg, 50kg regular specifications and large-tonnage bulk packaging, effectively avoiding problems such as particle damage, dust flying, moisture absorption and caking during transportation and storage. 

The manufacturer supplies directly from the source without middlemen, with favorable prices for large quantities. It has a complete national logistics distribution system, supporting full truckload and less-than-truckload shipments. 

At the same time, it provides one-on-one pre-sales consultation, and can provide professional suggestions on specification selection and usage proportion according to customers' processing technology and usage scenarios, with complete after-sales guarantee services, creating a one-stop black corundum procurement experience for customers in various industries such as mechanical processing, refractory material production, stone processing, and floor engineering, helping downstream enterprises improve processing efficiency and reduce production costs.