1\ Measurements and tolerances
Unit:mm
Thickness | Max diameter |
2.0±0.1 | 660±0.2 |
1.0±0.08 | 660±0.2 |
0.5±0.04 | 660±0.2 |
0.3±0.03 | 660±0.2 |
Special sizes can be manufactured based on customers' requirements
2\ Physical and chemical properties
Purity:Mo≥99.95%;99.97%
W ≥99.95%;
Density:Mo≥10.2g/cm3 ;
W ≥19.3g/cm3;
Application temperature environment:≤2300℃;
Quantitative analysis | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Element | Ni | Mg | Fe | Pb | Al | Bi | Si | Cd | Ca | P | ||||||||||||||||||||||||||||||||||||||||||||||||||
Concentration(%) | 0.003 | 0.002 | 0.005 | 0.0001 | 0.002 | 0.0001 | 0.002 | 0.0001 | 0.002 | 0.001 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Element | C | O | N | Sb | Sn | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Concentration(%) | 0.01 | 0.003 | 0.003 | 0.0005 | 0.0001 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Purity(Metallic Base) Mo≥99.95% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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3 \Manufacture process and equipment
Item | Process | Equipment | Quality check point |
1 | Mo sheet or W sheet | 1 Physical and chemical properties | |
2 | Check | 2 Measurements (length, width, and thickness ) 3 Surface quality | |
3 | Wire cutting | Wire cutting machine | 1 Surface clearness |
4 | Machining | CNC milling machine | 2 Tolerance according to drawing |
5 | Clean | Bending machine | 3 No pollutant on surface, and no crack |
6 | Check | Drilling press, Lathe | |
7 | Assembly | Assembly platform | 1 Surface clearness |
8 | Clean | 2 Solid structure and no loose | |
9 | Check | 3 Assembly tolerance | |
10 | Package | 4 Show certificate of quality |
4\ Application
As the heat-shield parts in the sapphire growth furnace, the most decisive function of upper and bottom cover plate is to prevent and reflect the heat in the furnace. Heat-shield parts with high-density, exact-measurement, smooth-surface, convenient-assembly and reasonable-design has great significance in improving the crystal-pulling.
5.Advantage of our W/Mo reflection shield
- long term stock for your ready choice
- bright and chemically cleaned surface with quality.
- uniform grain with densified microstructure ensures longer use time.
- precise machining tolerance.
- professional after-sales service
6. Package details:
First packaging with moisture-proof paper
Second packaging with Kraft paper
Third packaging with foam plastics in all side of plywood case.
Finally packing products in plywood case
7. Transportation:
Shipping goods by TNT,DHL,Fedex,UPS,EMS etc.
Transport goods to Beijing or Shanghai air port by air transportation
Products into the plywood case
