We usually choose black sand when choosing home building materials, so how to clean it when it is dirty in daily life? The following is the black sand cleaning method I sorted out for you. I hope it will help you.

The cleaning method of black gold sand is to wash it on the plate: put the tap water pipe at the bottom of the basin, let the sand roll in the basin, and then pour dirty water on it, so that the sand will be clean after repeated times;

Cleaning in the fish tank: Go to the aquarium, buy a sand washer (around 10 yuan), gently insert the sand, and let the sand roll locally in the sand washer, so it can also be cleaned.

How to identify Black Sands 1, clean the floating soil on the surface of Black Sands, scald it with boiling water and disinfect it by the way, the improvement is false;

2. use? Toilet cleaner? It is false that chemical reaction occurs after strong acid soaking;

3, with fire, flammable is false;

4. The black gold sand is lightly smashed with an axe, and it is basically judged that the fragile powder is fake, and then the above steps 1, 2 and 3 are used for inspection, and finally the authenticity is judged.

Advantages and advantages of black sand Black sand granite is such a product, which can form a perfect atmosphere for your building and make your project by going up one flight of stairs.

If you are looking for building materials, it is completely suitable for your needs, and it is the first choice and the only product, especially in your kitchen and cabinet countertops. It will give your designer unlimited creative design inspiration and make it a reality.

From the perspective of durability, black sand also has unparalleled durability advantages. First of all, black sand belongs to granite. Secondly, the sandstone structure of black sand is special, which is particularly wear-resistant and corrosion-resistant, and will meet your demand for its life.

Even more surprising is that. Whether it is made into slate, floor tile, kitchen or bar, the effect of black sand is unexpectedly good, and it has its own unique advantages compared with transparent jade and artificial stone in price.

Distribution and mining distribution of black sand

Granite often occurs in the form of bedrock, rock plant and rock block. , and controlled by regional tectonics. Generally, it is relatively large in scale and widely distributed, so it is convenient to mine and easy to produce large materials. Its regular joint development is conducive to mining stones with regular shapes. Granite has high waste rate, can be processed in many ways, and has good splicing property. Moreover, granite is not easy to weather and can be used as outdoor decorative stone. Granite has a uniform texture. Although its color is mainly light, it is also rich in red, white, yellow, green, black, purple, brown, beige, blue, etc., and its color changes little, so it is suitable for large-scale use.

exploit

? Black sand? The quarry is located in Andra, India? Chimakurthy Town, Wengor District, Pradessa, is 350km away from the port city of Madras in the southeast of India. You can take the train from Madras (6 hours' journey) to Angole, and then take the road to the mining area. Within 400 mu of Fiona Fang, there are 40 quarries, each with an area of 2-20 mu, with a high degree of mechanization. Its equipment is constantly updated, and the latest generation of mechanical equipment can be seen everywhere. The biggest headache for mine owners is the serious shortage of stone mining in quarries. In almost all quarries, high-quality mining areas are very limited, which greatly increases the mining cost of granite. However, despite many unfavorable factors, the output of granite of this color is still relatively high, because it is one of the most expensive granites in the world. Most mineral deposits are located below the surface. There are white or black stripes in the stone, which is a problem in almost all quarries. In the past few years, these defects have affected the price of stone and reduced the output of quarries.

? Black sand? The monthly output of granite is between 3500 and 4500 cubic meters, of which only 40% is large stone waste. Stones are often called. Cutting machine specifications stone? , that is, 2.4× 1.2× 1 m. Its price is $0/350-1600 per cubic meter (FOB port of Madras). The main buyers are large European companies and Indian processing plants. These processing plants already have their own factories in America, Europe and Australia? Black sand? Plate market. In these countries, people usually process this kind of stone into cabinet countertops. In recent years, due to Indian processing plants? Black galaxy? Plate sales adopt a strong offensive strategy, which has a great influence on European processing plants.

Small-sized plates and wastes are mainly exported to China. There is a great demand for this kind of plate in China market, and nearly 95% of this kind of plate is sold to China. Nowadays, people can always see businessmen from China inspecting this kind of stone in the quarry. People in China don't care whether there are white or black stripes on the stones, so they can always get a discount when buying stones with such defects. The owner of the quarry even wrote down the address of his quarry in Chinese. The price of small-scale black gold desert material is between 650-950 USD/m3. But at present, more and more large-scale waste materials and plates are sold to China.

? Black sand? The main export port of granite blocks is Madras, from which nearly 85% of the stones are continuously transported to all parts of the world. The region has provided direct or indirect employment opportunities for more than 654.38 million people.

Color difference between domestic black sand and imported black sand

Self-made small gold dots and gold dots, that is, flowers and florets in China, are more suitable for home and villa buildings, and can also be used in small shops, sinks, food processing areas, or dining tables.

Imported black sand (mainly imported from India) has large gold spots and few small flowers. This is more suitable for large-scale projects and hotel decoration.

price

Even the original plate of the same quality, the import price will be expensive 1/2 or so. The import of ordinary big board is about 430 square meters, and that of western Guangdong, Anhui is about 280-330 square meters. Large board means uncut. If it is cutting, it depends on your specifications, especially the thickness and width (because it involves the loss of materials). Generally, the thickness of imported plates is less than 3 cm, which is difficult to achieve if there are special requirements. Domestic specifications can basically meet.

Hardness and brightness