Gradd niwclear hafnium ocsid
Ymddangosiad a disgrifiad :
Hafnium ocsidyw prif ocsidau hafnium, dyma'r grisial gwyn heb arogl a di -chwaeth mewn amgylchiadau arferol.
| Enw:Hafnium deuocsid | Fformiwla gemegol:Hfo2 |
| Pwysau Moleciwlaidd: 210.6 | Dwysedd: 9.68 g/cm3 |
| Pwynt Toddi: 2850 ℃ | Berwi: 5400 ℃ |
Cais :
1) Deunyddiau crai ar gyferMetel Hafniuma'i gyfansoddion;
2) deunyddiau anhydrin, haenau gwrth ymbelydrol, a chatalyddion arbennig;
3) Gorchudd gwydr cryfder uchel.
Safonau Ansawdd:
Safon Menter: Tabl Cyfansoddiad Cemegol Ffracsiwn màs/% o radd niwclear hafnium ocsid
| Gradd cynnyrch | Gradd gyntaf | Ail radd | Trydydd Gradd | Chofnodes | ||
| Rhif Cynnyrch | Shxlhfo2-01 | Shxlhfo2-02 | Shxlhfo2-03 |
| ||
| Cyfansoddiad cemegol (ffracsiwn màs)/% | Amhureddau | Hf o2 | ≥98 | ≥98 | ≥95 | |
| Al | ≤0.010 | ≤0.010 | ≤0.020 | |||
| B | ≤0.0025 | ≤0.0025 | ≤0.003 | |||
| Cd | ≤0.0001 | ≤0.0001 | ≤0.0005 | |||
| Cr | ≤0.005 | ≤0.005 | ≤0.010 | |||
| Cu | ≤0.002 | ≤0.002 | ≤0.0025 | |||
| Fe | ≤0.030 | ≤0.030 | ≤0.070 | |||
| Mg | ≤0.010 | ≤0.010 | ≤0.015 | |||
| Mn | ≤0.001 | ≤0.001 | ≤0.002 | |||
| Mo | ≤0.001 | ≤0.001 | ≤0.002 | |||
| Ni | ≤0.002 | ≤0.002 | ≤0.0025 | |||
| P | ≤0.001 | ≤0.001 | ≤0.002 | |||
| Si | ≤0.010 | ≤0.010 | ≤0.015 | |||
| Sn | ≤0.002 | ≤0.002 | ≤0.0025 | |||
| Ti | ≤0.010 | ≤0.010 | ≤0.020 | |||
| V | ≤0.001 | ≤0.001 | ≤0.0015 | |||
| Zr | ZR≤0.20 | 0.20 < zr < 0.35 | 0.35 < zr < 0.50 | |||
| Igloss (950 ℃) | < 1.0 | < 1.0 | < 2.0 | |||
| ronynnau | -325Mesh≥95%,-600Mesh≤35% | |||||
Pecynnu :
Pacio allanol: casgen blastig; Mae'r pacio mewnol yn mabwysiadu bag ffilm blastig polyethylen, pwysau net 25kg/casgen
Tystysgrif :
Yr hyn y gallwn ei ddarparu : 














