
Property Index of AlN Aluminum Nitride Ceramics
| Property Sort | Property Content | Unit | 96Al₂O₃ | 99.6Al₂O₃ | ZTA | AlN-170 | AlN-200 | AlN-230 |
|---|---|---|---|---|---|---|---|---|
| Basic Properties | Appearance / color | – | white | white | white | gray | light yellow | light yellow |
| Volume density | g/cm³ | 3.7 | 3.9 | 4.0 | 3.3 | 3.3 | 3.3 | |
| Surface roughness | μm | 0.2~0.75 | 0.05~0.1 | 0.2~0.75 | 0.2~0.75 | 0.2~0.75 | 0.2~0.8 | |
| Camber | length ‰ | ≤3‰ | ≤3‰ | ≤3‰ | ≤3‰ | ≤3‰ | ≤3‰ | |
| Thermal Properties | Thermal conductivity (25℃) | W/m·k | 24 | 29 | 21 | 170 | 200 | 230 |
| Thermal expansivity | ×10⁻⁶/℃ (20~400℃) | 6.2-6.8 | 6.2-7.2 | 7-8 | 4-5 | 4-5 | 4-5 | |
| ×10⁻⁶/℃ (400~800℃) | 6.5-8.2 | 6.5-8.2 | 8-9 | 5-6 | 5-6 | 5-6 | ||
| Mechanical Properties | Flexural strength | MPa | ≥350 | ≥450 | ≥700 | ≥400 | ≥350 | ≥300 |
| Electrical Properties | Dielectric constant (1MHz) | – | 9-10 | 9-10.5 | 9-10.5 | 8-9 | 8-9 | 8-9 |
| Dielectric strength | kV/mm | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | ≥15 | |
| Volume resistivity (20℃) | Ω·cm | ≥1014 | ≥1014 | ≥1014 | ≥1014 | ≥1014 | ≥1014 |
AlN Tape-Casting Substrate
| Thickness (mm) | Standard Size |
|---|---|
| 0.381 / 0.5 / 0.635 / 1.0 / 1.5 | 4″×4″ (101.6×101.6mm); 4.5″×4.5″ (114.3×114.3mm); 120×120mm; 5″×5″ (127×127mm); 5.5″×7.5″ (139.7×190.5mm) |
| 0.1–0.2 | 2″×2″ (50.8×50.8mm) |
| 0.2–0.3 | 2″×2″ (50.8×50.8mm); 3″×3″ (76.2×76.2mm); 4″×4″ (101.6×101.6mm); 4.5″×4.5″ (114.3×114.3mm) |
| 1.0–3.0 | 150mm, 200mm, 300mm |
| Custom thickness can be processed according to customer requirements. | |
AlN Ceramic (Dry Pressing)
| Thickness (mm) | Specification |
|---|---|
| 1.5 | Round: Φ16, Φ19, Φ20, Φ26, Φ30, Φ35, Φ40, Φ45, Φ50, Φ55, Φ60, Φ65, Φ70 Square: 54×54mm |
| 2.0 / 2.5 / 3.0 … 10.0 | Available upon customer specification |
Production & Delivery
Production Capacity: Flexible production capacity for both standard and customized Advanced Ceramic components
Typical Lead Time: Sampling 7–12 days | Mass production 15–45 days, depending on product specifications and order volume
Shipping: FOB / EXW / CIF options available via sea, air, or express
Packaging: Export-standard protective packaging designed for safe international transportation
From technical drawings and samples to customized specifications, our engineering and production teams support customers throughout the process — from prototype development to stable mass production.






