Japanese imported Nikkato silicon nitride balls for industrial grinding materials
Japanese imported Nikkato silicon nitride balls for industrial grinding materials
The main component of Japan's Nikkato silicon nitride balls is silicon nitride (Si₃N₄), with a purity typically ≥99%.This high-purity silicon nitride ball has the following characteristics:
Purity:≥99%。
Density:3.2-3.3 g/cm³。
HardnessVickers hardness 1300-1500 HV。
Flexural strength:≥800 MPa。
High temperature resistanceCan operate stably for long periods at 1200°C。
Corrosion-resistantResistant to strong acids (except hydrofluoric acid), strong bases, and molten metal corrosion.。
Self-lubricating propertyLow friction coefficient (0.1-0.2), suitable for oil-free environments.。
Abrasion resistanceThe lifespan is 5-10 times that of metal balls, reducing the frequency of equipment maintenance.。
Electrical insulation propertiesHas electrical insulation properties.。
Japanese Nikkato silicon nitride balls are widely used in the following fields:
Crushing and DispersionSuitable for crushing and dispersing non-oxide raw materials such as silicon nitride and other high-performance materials.。
Bearing componentsBall bearings used in high-speed, high-temperature, or corrosive environments。
Precision instrumentUsed for measuring equipment and wear-resistant components in optical instruments.。
In the field of scientific researchMoving components used in vacuum environments or extreme conditions。
Diameter rangeφ5~25 mm。
Accuracy gradeG5-G10 (ISO standard), roundness ≤0.1μm (high precision grade)。
Surface RoughnessRa ≤ 0.02μm (after polishing)。
Japan's Nikkato silicon nitride balls play a significant role in multiple high-tech fields due to their excellent physical and chemical properties, providing high-quality grinding solutions for precision ceramics, electronic materials, mineral processing, and other areas.