|
Board Board No. Project |
ZG100 | ZM101 | SM102 | SM103 | SG105 | SZ107 | TH125 | TG126 | |
| Proportion(g/cm3) | 3.00 | 2.60 | 2.68 | 2.62 | 2.75 | 3.00 | 2.80 | 3.10 | |
| Display hole rate(%) | 22 | 25 | 26 | 26 | 25 | 25 | 20 | 22 | |
| Normal temperature pressure(Mpa) | 95 | 60 | 85 | 75 | 65 | 65 | 50 | 90 | |
|
Flexural strength at Normal atmospheric temperature （Mpa） at 1400℃ |
9.5 | 10 | 12 | 11 | 10 | 10 | 9.2 | 9.5 | |
| 7.5 | 8 | 10.5 | 9.5 | 8 | 8 | 7.6 | 7.0 | ||
| Thermal expansion rate(%) at 1000℃ | 0.75 | 0.65 | 0.55 | 0.65 | 0.70 | 0.80 | 0.72 | 0.85 | |
| Chemical composition | SiO2 | 13.00 | 22.40 | 27.30 | 25.20 | 0.30 | 3.20 | 26.20 | 22.30 |
| Al2O3 | 86.00 | 75.00 | 72.00 | 72.70 | 99.00 | 96.00 | 72.00 | 86.50 | |
| Na2O | 0.40 | 0.20 | 0.30 | 0.30 | 0.35 | 0.30 | 0.20 | 0.40 | |
| Fe2O3 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 0.60 | 0.10 | |
| SiC | 0 | 0 | 90.00 | 90.00 | 90.00 | 90.00 | 0 | 0 | |
|
Board No. Project |
XH108 | XH136 | XH110 | XG111 | XG113 | XG114 | XB115 | XC116 | |
| Proportion(g/cm3) | 2.60 | 2.65 | 2.20 | 2.95 | 2.75 | 2.65 | 1.85 | 2.20 | |
| Display hole rate(%) | 20 | 19 | 22 | 18 | 25 | 25 | 28 | 28 | |
| Normal temperature pressure(Mpa) | 85 | 90 | 95 | 110 | 95 | 110 | 65 | 60 | |
|
Flexural strength at Normal atmospheric temperature （Mpa） at 1400℃ |
9.5 | 10 | 11 | 14.5 | 9 | 14 | 8 | 8 | |
| 7.5 | 8 | 9 | 11.5 | 7 | 11 | 6 | 6 | ||
| Thermal expansion rate(%) at 1000℃ | 0.65 | 0.70 | 0.75 | 0.82 | 0.85 | 0.75 | 0.20 | 0.35 | |
| Chemical composition | SiO2 | 30.00 | 22.40 | 17.30 | 5.00 | 13.00 | 27 | 42.00 | 50.00 |
| Al2O3 | 68.00 | 75.00 | 81.20 | 94.00 | 86.20 | 81 | 48.00 | 40.00 | |
| Na2O | 0.20 | 0.20 | 0.20 | 0.30 | 0.40 | 0.20 | 0.30 | 0.20 | |
| Fe2O3 | 0.80 | 0.80 | 0.80 | 0.10 | 0.10 | 0.50 | 0.30 | 0.30 | |
| MgO | 0.05 | 0.05 | 0.05 | 0.30 | 0.05 | 0.20 | 3.00 | 7.50 | |
|
Board No. Project |
PG118 | PH109 | PC119 | PC120 | DG121 | DZ123 | DZ124 | OZ128 | |
| Proportion(g/cm3) | 2.95 | 2.75 | 1.85 | 2 | 2.85 | 4.50 | 4.20 | 3.00 | |
| Display hole rate(%) | 25 | 26 | 28 | 28 | 22 | 26 | 28 | 26 | |
| Normal temperature pressure(Mpa) | 65 | 75 | 50 | 75 | 75 | 105 | 70 | 65 | |
|
Flexural strength at Normal atmospheric temperature （Mpa） at 1400℃ |
9 | 14 | 9 | 11 | 12 | 13 | 9 | 11 | |
| 7 | 11 | 6 | 8 | 10 | 10 | 6 | 9 | ||
| Thermal expansion rate(%) at 1000℃ | 0.70 | 0.68 | 0.25 | 0.35 | 0.68 | 0.87 | 0.89 | 0.78 | |
| Chemical composition | SiO2 | 22.00 | 23.20 | 51 | 48.00 | 27.20 | 0.40 | 0.40 | 20 |
| Al2O3 | 87.00 | 75.00 | 39 | 45.00 | 81.30 | 0.30 | 0.30 | 68 | |
| Na2O | 0.40 | 0.20 | 0.20 | 0.20 | 0.20 | 0 | 0 | 0.20 | |
| Fe2O3 | 0.10 | 0.50 | 0.30 | 0.20 | 0.50 | 0.10 | 0.10 | 0.50 | |
| ZrO4 | 0 | 0 | 0 | 0 | 92.00 | 95.00 | 92.00 | 94 | |
| CaO | 0 | 0 | 0.20 | 0.10 | 0.05 | 4.00 | 0 | 3 | |
| MgO | 0 | 0 | 9.00 | 5.50 | 0 | 0 | 0 | 0 | |
| Y2O3 | 0 | 0 | 0 | 0 | 7.20 | 0 | 7.00 | 1 | |
| CG095 | |||||
| Project | Test conditions | Unit | High grade | Qualified | Test method |
| Color status | White、Compact | White、Compact | Q/GTT002 | ||
| Average grain size | μm | 3-5 | 3-5 | Q/GTT002 | |
| Volume density | g/cm3 | ≥3.74 | ≥3.70 | GB2413-81 | |
| Water absorption rate | % | 0 | 0 | GB/T3299-1996 | |
| Vivtorinox hardness | Load4.9 | GPa | ≥15 | ≥15 | GB3297-82 |
| Bending strength | Bending moment 80mm | MPa | ≥320 | ≥300 | Q/GTT002 |
| The coefficient of linear expansion |
20-500℃ 20-800℃ |
1×10-6mm/℃ |
6.5-7.5 6.5-8.0 |
6.5-7.5 6.5-8.0 |
GB5594.3 |
| Thermal conductivity | 20℃ | W/(m.K) | ≥24 | ≥20 | Q/GTT002 |
| Dielectric strength | KV/mm | ≥12 | ≥12 | GB5593 | |
| Volume resistivity |
20℃ 300℃ 500℃ |
Ω.cm |
≥1014 ≥1011 ≥109 |
≥1014 ≥1011 ≥109 |
Q/GTT002 |
| Dielectric constant | 1MHz | 9.3-10.6 | 9.3-10.6 | Q/GTT002 | |
| Dielectric loss | 1MHz | 3×10-4 | 3×10-4 | Q/GTT002 | |
| Thermal shock resistance | 850℃ | 次 | ≥7 | ≥5 | Q/GTT002 |
| Surface roughness | R a（λ2） | µm | 0.20-0.75 | 0.20-0.75 | Q/GTT002 |
| CG099 | |||
| Project | Test conditions | Unit | Performance index |
| Color | Ivory | ||
| Average grain size | um | 6 | |
| Volume density | Room temperature | g/cm3 | 3.90 |
| Water absorption rate | Room temperature | % | 0 |
| Vivtorinox hardness | Load0.3N | HV | 2300 |
| Bending strength | Span44cm | Mpa | 380 |
| coefficient of linear expansion | 20~1000℃ | 1*10-6/℃ | 8.2 |
| Thermal conductivity | 20℃ | W/(m.K) | 29 |
| Volume resistivity | 25℃ | Ω.cm | 1015 |
| 500℃ | 2*1010 | ||
| 1000℃ | 2*106 | ||
| Dielectric constant | 1MHz 25℃ | 10.5 | |
| Dielectric loss | 1MHz 25℃ | 2*10-4 | |
| Burning surface roughness | Ra(λ2) | um | 0.21 |
