Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
Dec 20, 2024
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The front windshield and exterior glass of a car usually require a cleaner with abrasive particles to remove stains. Rain stains, water stains, plant and animal oil stains, bird droppings and other stains are difficult to remove by ordinary cleaning agents, and the abrasive oil film remover on the market can clean them quickly and efficiently. These oil film removers add some functional abrasive particles to improve the efficiency of removal. Silicon carbide powder and cerium oxide powder are commonly used materials.
Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
The selection of silicon carbide and cerium oxide needs to be comprehensively considered according to the application scenario, cost and effect. The difference between silicon carbide powder and cerium oxide powder is mainly in the following aspects:
Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
1. Silicon carbide powder (here mainly refers to green silicon carbide powder) Mohs hardness 9.4-9.5, Vickers hardness is 3280-3400 kg/mm2. The Mohs hardness of cerium oxide powder is about 7.0, and the Vickers hardness is 1800-2000 kg/mm2. High hardness means high grinding efficiency and high stain removal rate. The low hardness means that the damage to the glass is low.
Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
2. The grinding principle of silicon carbide powder is physical removal, which requires high particle size uniformity of powder. The grinding principle of cerium oxide powder is a combination of physical removal and chemical removal, so the uniformity of the particles is not too strict.
Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
3. Silicon carbide has better thermal conductivity and thermodynamic properties, good corrosion resistance, and even insoluble in strong acid and alkali substances at high temperatures. Has better chemical inertness. Cerium oxide is soluble in concentrated H2SO4, HNO3 and other substances.
Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
4. The harm of silicon carbide powder is mainly reflected in the damage of silicon to the lungs after inhalation. Cerium oxide is a toxic substance. The harm to the body is different.
Automotive glass oil film removal agent grinding powder choose silicon carbide or cerium oxide?
Therefore, in view of different degrees of oil pollution and repair requirements, suitable grinding powder can be selected for automotive glass maintenance.
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