Garnet Maintenance

Maintenance: because it H&X brown fused alumina to the long-term wear garnet purification. Purification of the word in Latin and degaussing approximation, so it is called degaussing. "Accounted birthplace decision" records: the need to purify 1-3 once each month. Even the timing of garnet also need to purify. Scientific perspective, people dead H&X silicon carbide abrasive powder attached to the Demantoid fungal growth, long-term skin disease is not easy to get washed. Purification method is to use a standard defense salt wash because it has no effect on natural garnet, unlike sea salt coarse salt is corrosive.

garnet suppliers origin

China garnet sand origin especially Inner Mongolia, Jiangsu Lianyungang, Rizhao most H&X Alumina Refractory Mongolia garnet hardness, but mainly for the wind to wash the dust content is relatively large, the impact of cutting speed, the other, mostly small workshop production, deep Habitat inland transport costs are very high; Jiangsu Lianyungang garnet sand has been a major producer of domestic pomegranate sand, bright colors, hardness in general, open pit, mostly for local small workshop production, and therefore H&X Al2O3 powder low cost cheap, quality control is not strictly , often have a variety of impurities, often waterjet plug phenomenon, by the end of 2011, Lianyungang local government closed the mine, prohibit any person opened indiscriminate mining, which led to a very tight supply of garnet sand; Shandong Rizhao garnet sand for the deep mine, blackish dark red color, hardness, starting in 2011 in the domestic market, is less well known and therefore another origin, supply capacity, quality and stability, maritime land are more convenient, the next few years the main origin of Chinese garnet sand.

aluminum powder Precautions

1. The drug should not be used continuously for more than seven days, the symptoms are not H&X buy silica, please consult your physician or pharmacist. 2 children dosage please consult your physician or pharmacist. 3 fracture patients should not take, this is due to the formation of insoluble aluminum phosphate complexes, resulting in decreased serum phosphate concentration and phosphorus from the bone removed. 4 The drugs can interfere with the absorption of phosphorus, long-term use can cause hypophosphatemia; hypophosphatemia eg malabsorption syndrome patients with caution. 5 The role of drugs have constipation, H&X pink fused aluminium oxide constipation and therefore should be used with caution. 6 An overdose or serious adverse reactions should seek medical care immediately. 7 allergic to the drugs were banned, allergic caution. 8 when the property changes prohibit the use of drugs. 9 Please place the drugs on the reach of children. 10 Children must be under adult supervision. 11 If you are using other drugs, please consult your physician or pharmacist before using this medicine.

aluminum powder product

Is generally used H&X white fused alumina supplier, kaolin, clay or other material containing Al2O3 in an amount of carbon added, then heated to 1300 ~ 1500 ℃ in a nitrogen atmosphere, the product was obtained Si3N4. Which nitrogen used must ensure that no oxygen. Silica fume on the direct nitridation nitrogen, ammonia or hydrogen nitrogen gas mixture heated to 1200 ~ 1450 ℃ direct nitriding system. The reaction can be prepared with a high content of α original H&X Sic Refractory powder 1200 ~ 1300 ℃, high strength sintered ceramic. Reduction of silica to silicon dioxide, silicon nitride, nitrogen and carbon as the raw material preparation, the following reaction formula. The silica (or TEOS hydrolysis of silica) mixed with a certain proportion of carbon, nitrogen gas was heated to 1400 ℃ nitride 24h.

aluminum powder product attributes

Performance and advantages:
H&X silicon carbide abrasive sand, powder, brown aluminum oxide abrasive blasting sand: a moderate hardness, high toughness, strong anti-crushing capacity, high temperature anti-oxidation, anti-corrosion, low cost, applicability, and other characteristics.
H&X white fused alumina supplier:
Widely used in abrasives, refractories, sandblasting, grinding and polishing, carborundum wearable Floor, precision casting shell mold production.

Natural corundum emery Profile

Emery (sic), also known as silicon carbide, silicon carbide is a colorless H&X brown fused aluminium oxide of pure colorless powder particles. Density of 3.06 to 3.20, Mohs hardness of about 9.5 degrees. Pure diamond abrasive powder can be done after grinding, polishing can be made of paper, can also be made of the friction surface of the grinding wheel and a whetstone.
Natural corundum also called garnet sand, silicate minerals. By hydraulic sorting, grinding material machining, classification and other methods of screening. Natural H&X buy silica into coarse mesh, mesh, breakdown into three categories, which coarse mesh black and red, the head is pale red, breakdown of red and white. Beijing Ming Jian environmental technology produces a variety of diamond mesh filter uniform particle size, particle shape evenly into the water chestnut crystals have sharp edges, grinding force.

The influence of organic acids on aluminum oxide adsorption of phosphorus

Aluminum oxide is widely distributed in tropical and subtropical regions acidic soil type of H&X brown fused aluminium oxide, its adsorption of phosphate radical fixed is acidic soil phosphorus deficiency and the main reasons for low phosphorus availability in [1 ~ 3]. On the phosphorus absorption mechanism of aluminium oxide, oxalic acid and phosphoric acid root in aluminum oxide on the surface of the competition effect, etc. There are some studies [4 ~ 10], but USES the aluminum oxide in alkaline conditions (pH 8 (2) more
abstract  : with different coordination anion (sulfuric acid, phosphoric acid, oxalic acid, citric acid root) composite aluminum oxide as an object, oxalic acid, citric acid, etc are studied by equilibrium adsorption concentration and pH of the influence of aluminum oxide H&X buy silica sand of phosphorus, and organic acids affect phosphorus adsorption mechanism. Results show that the largest of the six synthetic aluminium oxide phosphorus uptake (Xm) between 0 ~ 0 838 tendency for 189 g, with Al (OH) x has the highest phosphorus uptake, "aluminum citrate complexes (Al CA) lowest phosphorus uptake; Organic acid concentration increased, the phosphorus uptake of aluminum oxide is reduced, and the influence degree of the citric acid is higher than oxalic acid; And pH of 2 of oxalic acid and tartaric acid, Al (OH) x secondary adsorption quantity minimum for phosphorus, and organic acid pH 3, Al (OH) x to reach the highest, the secondary adsorption of phosphorus organic acid solution pH increased from 4 to 9, aluminium oxide changed or gradually reduce p uptake. Organic acids and phosphorus mixed join compared with single phosphorate, pH 3 when difference is small, the most significant difference when the pH 4 ~ 6, pH 7 ~ 8 and decreased; Organic acids lower aluminum oxide phosphorus uptake mechanism includes two aspects of acid dissolution and complex competition, when pH 2 is given priority to with the former, pH 3 ~ 9 is given priority to with the latter, and the adsorption on the surface of the aluminum oxide point of coordination anion is affinity

Describe silicon carbide abrasive

Details: 1, the use of non-ferrous metal smelting industry in the application of silicon carbide with a high temperature, high H&X calcium granules, good thermal conductivity, impact resistance, high temperature for indirect heating materials, such as Kennedy Retort furnaces. Distillation oven tray, pot, copper melting furnace lining, zinc plates arc furnace, thermocouple protection tubes. 2, the application of the steel industry in terms of the use of corrosion-resistant silicon carbide. Thermal shock resistance to wear. Thermal conductivity and good for large furnace lining improves life. 3, metallurgical beneficiation industry H&X sandblasting abrasive of silicon carbide hardness only to diamond, with strong wear resistance, abrasion resistance is the ideal material for pipes, impellers, pump chamber, cyclone, ore bucket liner, its wear resistance is cast iron, rubber life 5-20 times, but also one of the ideal materials aviation runway flight.

Classification of silicon carbide

Including black and green silicon carbide, silicon carbide, which: SiC is black quartz sand, H&X silicon carbide manufacturers coke and quality silica as the main raw materials, smelting electric arc furnace. Its hardness between corundum and diamond, corundum higher mechanical strength, brittle and sharp. Green silicon carbide based petroleum coke and quality silica as the main raw material, add salt as an additive, smelting electric arc furnace. Hardness between corundum and diamond, corundum higher mechanical strength. There are commonly two different silicon carbide abrasive H&X white fused alumina supplier, one is green silicon carbide, containing more than SiC 97%, the hard gold is mainly used for grinding tools. Another black silicon carbide, metallic luster, containing more than SiC 95%, the large intensity ratio of green silicon carbide, but lower hardness, primarily used for grinding cast iron and non-metallic materials.

The influence of organic acids on aluminum oxide adsorption of phosphorus

Aluminum oxide is widely distributed in tropical and subtropical regions acidic soil type of mineral, its adsorption of phosphate radical fixed is acidic soil phosphorus deficiency and the main reasons for low phosphorus availability in [1 ~ 3]. On the phosphorus absorption H&X calcium metal granules of aluminium oxide, oxalic acid and phosphoric acid root in aluminum oxide on the surface of the competition effect, etc. There are some studies [4 ~ 10], but USES the aluminum oxide in alkaline conditions (pH 8 (2) more
abstract  : with different coordination anion (sulfuric acid, phosphoric acid, oxalic acid, citric acid root) composite aluminum oxide as an object, oxalic acid, citric acid, etc are studied by equilibrium adsorption concentration and pH of the influence of aluminum oxide adsorption of phosphorus, and organic acids affect phosphorus adsorption mechanism. Results show that the largest of the six synthetic aluminium oxide phosphorus uptake (Xm) between H&X pink fused alumina 838 tendency for 189 g, with Al (OH) x has the highest phosphorus uptake, "aluminum citrate complexes (Al CA) lowest phosphorus uptake; Organic acid concentration increased, the phosphorus uptake of aluminum oxide is reduced, and the influence degree of the citric acid is higher than oxalic acid; And pH of 2 of oxalic acid and tartaric acid, Al (OH) x secondary adsorption quantity minimum for phosphorus, and organic acid pH 3, Al (OH) x to reach the highest, the secondary adsorption of phosphorus organic acid solution pH increased from 4 to 9, aluminium oxide changed or gradually reduce p uptake. Organic acids and phosphorus mixed join compared with single phosphorate, pH 3 when difference is small, the most significant difference when the pH 4 ~ 6, pH 7 ~ 8 and decreased; Organic acids lower aluminum oxide phosphorus uptake mechanism includes two aspects of acid dissolution and complex competition, when pH 2 is given priority to with the former, pH 3 ~ 9 is given priority to with the latter, and the adsorption on the surface of the aluminum oxide point of coordination anion is affinity

Garnet multiple places of origin

China garnet sand origin especially Inner H&X Alumina Oxide, Jiangsu Lianyungang, Rizhao most representative. Inner garnet sand hardness, but mainly for the wind to wash the dust content is relatively large, the impact of cutting speed. In addition, mostly small workshop production, secluded inland transport costs are very high; Jiangsu Lianyungang garnet sand has been a major producer of domestic pomegranate sand, bright colors, hardness in general, open pit, mostly for local small workshop production, so the cost low-cost low cheap, quality control is not strict, often have a variety of impurities, often waterjet plug phenomenon. End, Lianyungang H&X china garnet government closed the mine, prohibit any person opened indiscriminate mining, which led to a very tight supply of garnet sand; Shandong Rizhao Garnet sand is deep mine, blackish dark red color, hardness, from the beginning the domestic market, is less well known and therefore another origin, supply capacity, quality and stability, maritime land are more convenient, the next few years China is a major producer of garnet sand.

The main varieties of garnet

The main species
Purple teeth black deposits in a H&X Carborundum Abrasives of native , mainly produced in many magmatic or metamorphic rocks , the majority of gem garnet found in alluvial placer . Purple teeth black garnet group minerals , chemical composition is more complex silicate minerals ( island silicates ) , usually A3B2 [SiO4] 3 said . Where A represents Ca2 +, Mg2 +, Fe2 +, Mn2 + and other divalent cations , B represents Al3 +, Fe3 +, Cr3 + and other trivalent cations . Crystal morphology was rhombic dodecahedron , or both H&X garnet sand three octahedral poly shape. Granular or massive aggregates . Affected by the composition of the garnet color , showing a variety of colors , which include red red series ' Pink ' purple ' orange ; yellow line includes yellow ' orange ' dense yellow' brownish yellow ; green line includes green ' olive ' yellow and green . Crystal display glass glossy surface , sub- adamantine luster , fracture noticeable oil sheen . Transparent to translucent . Homogeneous body , does not have pleochroism , no birefringence . Garnet can be divided into two series , six main varieties : almandine series ( pyrope , almandine , spessartine ) and andradite series ( uvarovite , grossular , andradite ) .