Molybdenum /Tungsten Heat Shield for Sapphire Growing Furnace

Purity: Mo>=99.95%; Tungsten>=99.95%;

Density: Mo>=10.2g/cm3; Tungsten>=19.3g/cm3;

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%; Tungsten(W)>=99.95%;

Density: Mo>=10.2g/cm3; W>=19.3g/cm3;

Application temperature environment: ≤2300°C;

3. Manufacture process and equipment

Item	Process	Equipment	Quality check point
1	Mo sheet or W sheet		1Physical and chemical properties
2	Check		2 Measurements (length, width, and thickness ) 3Surface 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:

Firstly, packing with moisture-proof paper

Secondly, packing with Kraft paper

Thirdly, packing with foam plastics in all side of plywood case.

Finally, packing products in plywood case

About Us

We're professional manufacturer of molybdenum and tungsten products, MoSi2 and SiC heating element, laboratory furnace. Our products are exported to USA, Europe, Middle East and Southeast Asia, etc. We're a factory with ISO quality system certification. We can produce as per customer's request and provide products with good quality and best price!

Our products include:     

Molybdenum Product	Molybdenum Sheet/Plate/Rod/Bar/Electrode/Wire
	Molybdenum Crucible/Tube/Boat/Disc/Nut
	Molybdenum Special Shape Product
Tungsten Product	Tungsten Sheet/Plate/Rod/Bar/Wire
	Tungsten Crucible/Tungsten heat shield
	Tungsten Special Shape Product
Alloy Product	TZM Alloy/Mo-La Alloy
	Tungsten Copper Alloy
MoSi2 heating element	U, L, W, Special shape
SiC heating element	U, W, ED, Dumbbell, SC, SCR shape
Laboratory furnace	Muffle furnace, Tube furnace Atmosphere furnace, Vacuum Furnace
Accessories	Holders, Straps, Alumina tube

Why choose Shibo?

1. More than 20 years’ manufacturing experience, leading factory

2. Reasonable factory direct wholesale prices

3. Steady and top quality, timely delivery, reliable after-sale service

Guaranteed purity:

We produce molybdenum products all by ourselves – from the metal oxide right through to the finished products. As our input material, we only use the purest molybdenum oxide. This ensures that you can benefit from a very high level of material purity.

Jenny Zhang/ Export Department
Zhengzhou Shibo Nonferrous Metals Products Co., Ltd.
Website: http://www.shibo.net/en/
Email: asia@shibo.net    Jenny@shibo.net