hafnium ocsid gradd niwclear
Ymddangosiad a disgrifiad:
Hafnium ocsidyw prif ocsidau hafnium, dyma'r grisial gwyn heb arogl a di-flas o dan amgylchiadau arferol.
Enw: hafnium deuocsid | Fformiwla gemegol:HfO2 |
Pwysau moleciwlaidd: 210.6 | Dwysedd: 9.68 g/cm3 |
Pwynt toddi: 2850 ℃ | Pwynt 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 / % hafnium ocsid gradd niwclear
Gradd cynnyrch | Gradd gyntaf | Ail radd | Trydydd gradd | Nodyn | ||
Rhif cynnyrch | SHXLHFO2-01 | SHXLHFO2-02 | SHXLHFO2-03 |
| ||
Cyfansoddiad cemegol (ffracsiwn màs)/% | Amhuredd | 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 | |||
gronyn | -325mesh≥95%,-600mesh≤35% |
Pecynnu:
Pacio allanol: casgen blastig; mae'r pacio mewnol yn mabwysiadu bag ffilm plastig polyethylen, pwysau net 25KG / casgen
Tystysgrif: Yr hyn y gallwn ei ddarparu: