- B2O3 BORON OXIDE 5N 99.999%
- Appearance:Like colorless glass
Physical Properties
| Molecular weight | :69.6 |
| Density | :1.84(20℃),A1.65(500℃),A1.53(1000℃) |
| Viscosity(poise) | :3630(600℃),A355(800℃),A100(1000℃).A39.8(1200℃) |
| Free energy | :-3.3 Kcal/formula wt. |
| Vapor pressure(mmHg.) | :1.95 x 10-4(1021 ℃) ,A1.91x 10-1(1368℃) |
| Size (mm ) | Weight(g ) | Size (mm ) | Weight(g ) |
|---|---|---|---|
| 20 25 26 30 35 37 40 44 46 48 50 53 55 58 60 62 65 70 72 75 |
5-(15)-30 10-30 10-20 10-30 15 20-35 20-40(60) 25-50 25-130 25-55 30-100 30-85 40-90 40-42 60-120 60-200 70-160 80-200 80-130 80-200 |
80 83 85 90 95 100 105 110 120 125 140 142 145 150 175 180 184 195 218 |
100-200 100-170 100-230(250) 100-255(300) 100-400 120-400 120-275 120-300 300-600 300-400 200-1000(1200) 200-500 200-500(1200) 400-700 600 600-1000 600-1000 600-1000 1000-1500 |
*Other forms and weight are also available in response to customer’s request
Moisture content
| Grade | Moisture content(ppm) |
|---|---|
| AA A B C D E |
1600±100 1200±100 500±50 300±50 120±10 ≦ 100 |
Analysis
| Grade | Moisture content(ppm) |
|---|---|
| Si Al Fe Pb Cu Zn Cr |
0.2ppm 0.1ppm 0.2ppm 0.05ppm 0.05ppm 0.01ppm 0.01ppm |
Package…Sealed in polyethylene-aluminum laminated film bags under vaccum
WARNING
B2O3 encapsulant is extremely hygroscopic in air or on finger-touch,and should be
handled quickly with fweezeos and gloves.