Application of industrial sodium hexametaphosphate in unshaped refractories

The development and technological progress of new refractories in industry are interdependent and mutually reinforcing. The functionalization and products of amorphous refractories are also developed more and more complex prefabricated materials through new technology research and development. Sodium hexametaphosphate also plays an important role in highlighting the confinement of various refractory binders.

Binders are needed in the production of amorphous refractories, which require not only good cold and hot bonding strength, but also good construction (forming) and service performance. The addition of industrial sodium hexametaphosphate is beneficial to increase the strength of amorphous refractories at low, medium and high temperatures. However, the amount of sodium hexametaphosphate should be controlled so as to avoid the formation of low melts affecting the sintering of the refractories.

With the rapid development of modern science and technology, amorphous refractories, as an important branch of refractory industry, have attracted more and more attention because of their incomparable advantages. Manufacturers of amorphous refractories are also updating their technology and looking for breakthroughs to develop towards high purity, high density and ultra-high temperature products. At the same time, a lot of refractories and refractories have appeared. Sodium hexametaphosphate is one of the auxiliary materials for fire fibers.

When industrial sodium hexametaphosphate is used as binder for alkaline refractories, the orthophosphate formed after hydrolysis will react with MgO and Ca0 in alkaline refractories to form composite phosphate containing magnesium or calcium, which will produce strong bonding strength.

The amorphous refractories have not been sintered before use, and there is no ceramic bond or direct bond between the particles of ordinary sintered products. Therefore, adding industrial sodium hexametaphosphate binder can make them bond as a whole and make the structures or products have certain strength.

Sodium hexametaphosphate is widely used as inorganic binder in amorphous refractories. It can be used as a permanent binder at room temperature. The industrial sodium hexametaphosphate manufacturer Chongqing Chuandong Chemical Group has made innovative development in the production technology of industrial sodium hexametaphosphate, exerting the chain length property of industrial sodium hexametaphosphate, perfectly combining refractory additives, ceramics, industrial soft water, mineral processing and other industries, so as to provide more space for the development of fine phosphate products.

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