Nuclear grade hafnium okside
Uterlik en beskriuwing:
Hafnium oksideis de wichtichste oksides fan hafnium, it is de wite reukleaze en smaakleaze kristal yn normale omstannichheden.
Namme: hafnium dioxide | Gemyske formule:HfO2 |
Molekulêre gewicht: 210,6 | tichtheid: 9,68 g/cm3 |
Smeltpunt: 2850 ℃ | Kookpunt: 5400 ℃ |
Oanfraach:
1) grûnstoffen foarhafnium metaalen syn ferbiningen;
2) Refractory materialen, anty-radioaktive coating, en spesjale katalysatoren;
3) Hege sterkte glêzen coating.
Kwaliteitsnormen:
Enterprise standert: Gemyske gearstalling tabel massa fraksje /% fan nukleêre grade hafnium okside
Produktklasse | Earste klasse | Twadde klasse | Tredde klasse | Noat | ||
Produkt nûmer | SHXLHFO2-01 | SHXLHFO2-02 | SHXLHFO2-03 |
| ||
Gemyske gearstalling (massafraksje)/% | Unreinheden | 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 | |||
dieltsje | -325 mesh≥95%, -600mesh≤35% |
Ferpakking:
Outer packing: plastic barrel; de binnenferpakking oannimme polyetyleen plestik film tas, netto gewicht 25KG / barrel
Sertifikaat: Wat wy kinne leverje: