Zhengzhou Protech Technology Co., Ltd
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Zhengzhou Protech Technology Co., Ltd
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Molybdenum insulation screen

Molybdenum insulation screen


Description:Molybdenum sheet is used for heater of electronic vacuum furnace and heat-insulation screen, molybdenum round sheet to produce molybdenum boat and electric power semiconductor, and raw materials to make vacuum light house. Forming the molybdenum powder with iso static pressing, and with the technology of hot rolling, annealing, washing with alkali, cold rolling ,cutting, leveling off after the molybdenum sheet billet is formed by sintering with medium frequency furnace, also molybdenum sheets have the excellent characteristic of brightness and smoothness on the surface and well reprocessing. Material from .005 inches to .090 inches in thickness is classified as molybdenum sheet. It is used for fabrication of sintering boats, high temperature furnace heating elements and heat shields. Standard availability is described below. Other sizes and tolerances are available.

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Application of  Molybdenum insulation screen
After rolling and processing with deflection reaching 60% , the density of molybdenum sheet basically comes close to molybdenum’s theory density. Therefore, molybdenum sheet possesses the properties of high density, balanced internal structure and excellent high creep strength temperature. Molybdenum sheet is widely used in reflection shield, cover plate applied in the sapphire growth furnace, reflection shield, heating tape, connecting pieces applied in vacuum furnace, titanium sputtering target applied in plasma coating film, and high temperature resistance boats. 
Certification of Molybdenum insulation screen
 Our products have passed the ISO9000 certification, CE certification, all products are in accordance with ISO9000:2000 quality management.Our diversity of products, to meet all kinds of consumer demand.
Physical and chemical properties
    1  Purity:W≥99.95%;
    2  Density: ≥10.0g/cm3;
    3  Flatness: ≤2%

Manufacture process and equipment
Item Process Equipment Quality check point
      1 Physical and chemical properties
1 Mo billet   2  Measurements of sheet billet
2 Check   3  Surface quality
      4  Unit net weight of billet material
3 Hot rolled Hot mill 1   Measurements (thickness, width)
4 Annealing 200T press machine 2   Surface crack, stratification for two ends
5 Alkali wash Alkali bath furnace 3   Skew rolling
6 Check   4   Flatness
7 Warm rolled Four –high cold mill 1  Measurements  (length, width and thickness)
8 Vacuum annealing Vacuum annealing furnace 2  Side crack, bubbles on surface
9 Check   3   Flatness
10 Cold rolled Four –high cold mill 1  Density
11 Leveling W43G series straightener 2  Measurements (length, width,  and thickness)
12 Cut Hydraulic plate shears 3  Surface quality, bubbles on surface
13 Vacuum annealing Vacuum annealing furnace     5  Roll mark, stress ,Flatness
14 Check   6  Quality standard:GB/T3876-2007 or ASTM

Our Other High Temperature Material
No Product name Applications
1 Ceramic fiber blanket Thermal insulation for spaceflight, steel plant, petrochemical plant, 
military equipment, high temperature pipelines, electrical components; 
Lining of industrial furnaces, heating equipment; 
also used to make high temperature gasket, module and collapse block.
2 Ceramic fiber board Lining of cement kiln and other architectural furnaces and kilns; 
lining of industrial furnaces and kilns in petrochemical, metallurgy, ceramic, glass, heat treatment, nonferrous metals field; lining of high-temperature reaction and heating equipment.
3 Ceramic fiber rope Sealing and thermal insulation of door, flue, brick expansion gap of industrial 
furnaces and kilns; sealing and packing of burner, heat ex-changer, high temperature pipeline of industrial furnaces and kilns.
4 Ceramic fiber paper Thermal insulation, sealing, electric insulation, sound absorption, 
filter in high temperature environment.
5 Ceramic fiber cotton Lining of industrial furnaces and kilns, boiler; thermal insulation in thermal equipment like steam engine, gas engine; flexible thermal insulation material for high temperature pipeline, thermal reactor; high temperature gasket; high temperature filter; fireproofing of industrial furnaces and kilns, electrical components; thermal insulation of incinerator, investment casting; also used to make module and collapse block, veneering modules.
6 Ceramic fiber cloth Thermal insulation of industrial furnaces and kilns, high temperature pipeline and container, engine and instrument; fireproofing equipment and thermal cover; fire-proof suit; sound absorption; substitute of asbestos cloth.
7 Ceramic fiber module Lining of industrial furnaces and kilns in petrochemical, metallurgy, ceramic, 
glass, heat treatment field.

Transaction process

  After-sales Service

1.We provide one year warranty for our equipment (Except the quick-wear part),Equipment damage or malfunction during the guarantee period due to equipment quality reasons, all be free maintenance.After the warranty expires, still offer lifetime and high quality service.

2.In case of failure in the process of equipment used, our company will make a deal as soon as possible, to ensure the normal operation of equipment.

3.Our company provide free equipment operation training and simple troubleshooting and maintenance training.

4.My company's technical staff can provide door-to-door service (product installation, debugging, maintenance, technical advice and instructions, etc.).

5.Our company provides transport services, packaging are carried out in accordance with the safety standard packing.Random complete technical data (user manual, maintenance manuals, relevant materials and accessories, random tools, etc.).

6.All the equipment has the CE certificate.

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