Application of sodium hexametaphosphate in water soluble synthetic grinding fluid

With the continuous development and progress of industrial technology and the emergence of new materials and new processes, the requirements for the working fluid used in the metal processing process, namely, the metal processing fluid, are becoming more and more precise and demanding. It is very important to choose suitable metal processing fluid in precision and ultra precision machining to ensure the quality of product processing, improve machining efficiency and reduce environmental pollution. The phosphate series sodium hexametaphosphate has the function of rust prevention and corrosion inhibition, and plays an important role in the application of metal grinding fluid.

Following the manufacturer of sodium hexametaphosphate Chuandong Chemical Group to see the composition of metal grinding fluid:

The metal grinding fluid consists of the following components: 5-40% by weight of rust inhibitor, 1-20% by weight of cleaning agent, 0.1-10% by weight of lubricating corrosion inhibitor, 1-20% by weight of penetrant, 1-20% by weight of solubilizer, 10-40% by weight of pH regulator, 0.5-5% by weight of defoamer and residual water; calculated by the total weight of water-soluble total synthetic metal grinding fluid; wherein, the water-soluble The pH value of all synthetic grinding fluid is 7-11. The lubricating inhibitor is long chain nitrogen-containing heterocyclic organic ester. The water-soluble all synthetic metal grinding fluid has excellent lubrication, rust prevention, cleaning and cooling properties, and can be widely used in the grinding of ferrous and non-ferrous metals.

Grinding is a processing method which uses the high-speed rotation of the grinding wheel to cut the workpiece. During the processing, a large number of deformations and new friction surfaces are generated. The grinding fluid is required to have excellent lubrication, cooling, cleaning, rust prevention and defoaming characteristics, so as to extend the durability of the grinding wheel, improve the processing accuracy and surface roughness of the workpiece, improve the processing efficiency and product quality, and reduce the cost Energy consumption.

The addition of sodium hexametaphosphate in corrosion environment can greatly reduce the corrosion rate of metal. This kind of material is called corrosion inhibitor, also called corrosion inhibitor. The definition of industrial grade sodium hexametaphosphate in metal corrosion inhibitor has three meanings: 1. Slow down the corrosion of metal materials. 2. Keep the physical and mechanical properties of metal. 3. The dosage is small.

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