Production Range：
● HIP and GPS
● 0.4mm-50.8mm
Production Grade:
● Up to G3
Advantages:
● High Strength ● High Wear Resistance
● High Temperature Resistance
● Corrosion Resistance ● Lightweight
● Self-Lubricating ● Electrical Insulation
Applications：
● New Energy ● Precision Machinery
● Aerospace ● Electronic Semiconductors
In today's era of rapid technological advancement, the field of material science is undergoing unprecedented changes.
EDE, as a leading manufacturer of silicon nitride ceramic balls, is becoming a significant force driving this industrial revolution with its superior performance, unique features, and remarkable product advantages.
Not only can EDE utilize advanced GPS (Gas Pressure Sintering) technology for production, but it also employs HIP (Hot Isostatic Pressing) techniques to meet the diverse needs of different customers.
Through continuous innovation and refinement, EDE is leading the development direction of the silicon nitride ceramic ball industry, injecting new vitality into technological progress and industrial upgrading.
| Physical Property | Silicon Nitride (Si₃N₄) | Silicon Carbide (SiC) | Alumina (Al₂O₃) | Zirconia (ZrO₂) |
| Density (g/cm³) | 3.26 | 3.21 | 3.97 | 6.04 |
| Melting Point (℃) | >1,900 | >2,700 | 2054.00 | 2700.00 |
| Hardness (HRA) | 95.00 | 9.50 | 9.00 | 45513.00 |
| Thermal Conductivity (W/m·K) | 45585.00 | 3.70 | 20-40 | 2.05 |
| Coefficient of Thermal Expansion (×10⁻⁶/K) | Low | Low | Low | Low |
| Fracture Toughness (MPa·m¹/⁵₀) | High | High | Medium | High (with time dependence) |
| Elastic Modulus (GPa) | 300-400 | 450.00 | 380-410 | 200-230 |
| Electrical Resistivity (Ω·cm) | Insulator | Semiconductor | Insulator | Insulator |
| Oxidation Resistance | Excellent | Excellent | Excellent | Excellent |
| Corrosion Resistance | Excellent | Excellent | Excellent | Excellent |
| Wear Resistance | Excellent | Excellent | Good | Excellent |
| Processing Performance | Moderate | Moderate | Moderate | Moderate |
| DIN 5401-2002 | ||||||||
| Dimensional and formt tolerance and surface roughness | ||||||||
| Grade | Nominal Size | Limit deviations | tDws | ∆RSw(≤) | Ra(≤) | VDwL(≤) | IG | Preferred gauges values |
| VDws (≤) | ||||||||
| (mm) | (μm) | (μm) | (μm) | (μm) | (μm) | (μm) | (μm) | |
| G 3 | 0 ~ 12.7 | ± 5.32 | 0.08 | 0.08 | 0.01 | 0.13 | 0.5 | -5 ~ +5 |
| G 5 | 0 ~ 12.7 | ± 5.63 | 0.13 | 0.13 | 0.014 | 0.25 | 1 | -5 ~ +5 |
| G 10 | 0 ~ 25.4 | ± 9.75 | 0.25 | 0.25 | 0.02 | 0.5 | 1 | -9 ~ +9 |
| G 16 | 0 ~ 25.4 | ± 11.4 | 0.4 | 0.4 | 0.025 | 0.8 | 2 | -10 ~ +10 |
| G 20 | 0 ~ 38.1 | ± 11.5 | 0.5 | 0.5 | 0.032 | 1 | 2 | -10 ~ +10 |
| G 28 | 0 ~ 50.8 | ± 13.7 | 0.7 | 0.7 | 0.05 | 1.4 | 2 | -12 ~ +12 |
| G 40 | 0 ~ 100 | ± 19 | 1 | 1 | 0.06 | 2 | 4 | -16 ~ +16 |
| G 80 | 0 ~ 100 | ± 14 | 2 | 2 | 0.1 | * | 4 | -12 ~ +12 |
| G 100 | 0 ~ 150 | ± 47.5 | 2.5 | 2.5 | 0.1 | 5 | 10 | -40 ~ +40 |
| G 200 | 0 ~ 150 | ± 72.5 | 5 | 5 | 0.15 | 10 | 10 | -60 ~ +60 |
| G 300 | 0 ~ 25.4 | ± 70 | 10 | 10 | 0.2 | * | 20 | -60 ~ +60 |
| G300 | 25.4 ~ 50.8 | ± 105 | 15 | 15 | 0.2 | * | 30 | -90 ~ +90 |
| G 300 | 50.8 ~ 75 | ± 140 | 20 | 20 | 0.2 | * | 40 | -120 ~ +120 |
| G 500 | 0 ~ 25.4 | ± 75 | 25 | 25 | * | * | 50 | -50 ~ +50 |
| G 500 | 25.4 ~ 50.8 | ± 112.5 | 25 | 25 | * | * | 75 | -75 ~ +75 |
| G 500 | 50.8 ~ 75 | ± 150 | 25 | 25 | * | * | 100 | -100 ~ +100 |
| G 500 | 75 ~ 100 | ± 187.5 | 32 | 32 | * | * | 125 | -125 ~ +125 |
| G 500 | 100 ~ 125 | ± 225 | 38 | 38 | * | * | 150 | -150 ~ +150 |
| G 500 | 125 ~ 150 | ± 262.5 | 44 | 44 | * | * | 175 | -175 ~ +175 |
| G 600 | all | ± 200 | * | * | * | * | * | * |
| G 700 | all | ± 1000 | * | * | * | * | * | * |
