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 :