crystalline tungsten powder
Appearance: bright grey powder with good fluidity
Application: used for diamond drill and shoot bomb in petroleum exploitation industry;
for high-temperature spray coat in firebox and other spray coat in wear-resistant and heat-resisting parts;
for spray in tungsten crucibles in middle-frequency furnace.
| Grade | CTP | |
|---|---|---|
| main content% | W | >=99.9 |
| Impurity Content% Max | Mo | 0.005 |
| Impurity Content% Max | Fe | 0.020 |
| Impurity Content% Max | Al | 0.005 |
| Impurity Content% Max | Ni | 0.010 |
| Impurity Content% Max | Ca | 0.005 |
| Impurity Content% Max | O | 0.030 |
| Impurity Content% Max | Cu | 0.005 |
| Impurity Content% Max | Mg | 0.005 |
| Impurity Content% Max | Si | 0.005 |
| Particle sizes specs | apparent density | 7.3-8.9g/cc |
| Particle sizes specs | vibrating density | 9.0-10.5g/cc |
| Particle sizes specs | hall flow rate | <=12s/50g |
| Seive size: mesh | for diamond drill | -60/+325, +60<=5%, -325<=10% |
| Seive size: mesh | for shoot bomb in petroleum exploitation | -200/325,+200<=5%, -325<=10% |
| Seive size: mesh | for surface spray | -200/+325,+200<=10%, -325<=35% |
