① chemical constituents
|
Item |
Na2O |
K2O |
saltpetre nitrogen |
Cl |
Fe |
water insoluble |
|
content |
≥20.35% |
≥24.7% |
≥16.1% |
≤0.03% |
≤0.005% |
≤0.01 |
② Physical and chemical index
|
Item |
Melting point |
boiling point |
Heat of Fusion |
specific heat |
coefficient of thermal expansion |
film temperature |
average thermal conductivity |
operating temperature |
performance |
|
Index |
142℃ |
680℃ |
18K cal/Kg |
0.34cal/Kg |
4x10-4/℃ |
620℃ |
0.317 |
150℃-540℃ |
white crystal |
③Packing: 50kg paper-plastic compound bag or according to customer requirements.
Technical index: Q/YLB-2005-27
|
Technical index |
three-component fused salt |
two-component fused salt |
|
nitrate of potash % |
53 |
55 |
|
Sodium nitrite % |
40 |
45 |
|
sodium nitrate % |
7 |
--- |
|
chloride(in NaCl)content% ≤ |
0.1 |
0.08 |
|
sulfate(in K2SO4)content % ≤ |
0.005 |
0.005 |
|
carbonate(Na2CO3)content( in dry base) ≤ |
0.005 |
--- |
|
nitrate(NaNO3)content( in dry base) ≤ |
0.4 |
0.45 |
|
nitrite(NaNO3)content( in dry base) % ≤ |
0.002 |
--- |