Factory price silver gray 1-40mm 5N Germanium granule use for polymerization catalysts with cas 7440-56-4

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  • >=10 Kilograms
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Quick Details
Place of Origin:
Hunan, China
Brand Name:
Model Number:
polymerization catalysts
Chemical Composition:
diameter 1-40 mm customized
5.35 °C
Melting Point:
Minimum Order Quantity:
Packaging Details:
0.1kg per vacuum bag, carton box outside

Packaging & Delivery

Selling Units:
Single item
Single package size: 
30X20X15 cm
Single gross weight:
2.0 kg
Package Type:
N.W. 1 kilo per poly bottle,10 bottles per case, or as required.
Picture Example:
Lead Time :
Quantity(Kilogram) 1 - 50 >50
Est. Time(days) 1 To be negotiated

1. Germanium metal granule, Germanium shot, high purity Germanium pellet, Germanium grain, Germanium round,

Germanium ball
2.Mainly applied to evaporation, electronics and solar electric applications.
3.99.999%, 1-3 mm, 1-5mm, 5-10mm


Germanium granule is made of high purity zone refined germanium ingot in the vacuum and clean workshop, with

purity 99.999 and size 1-40mm, highly customization is accepted.



Size diameter

1-40 mm customized


5.35 °C

Melting Point



 1 Ω·m (at 20 °C)

Thermal Expansion

6.0 µm/(m·K)

Thermal Conductivity

60.2 W/(m·K)

Minimum Order Quantity


Packaging Details

0.1kg per vacuum bag, carton box outside

Delivery Time

1-3 days for small quantity order, 5-7 days for large quantity

Payment Terms

T/T, L/C, PAYPAL, West Union

Supply Ability

100KG per month

Competitive Advantage
1. Strict raw materials control: raw materials are collected from non-recycled coal ash
2. Low heavy metal content: content of Mg, Al, Pb, As, Ni, Hg less than 1ppm
3. Customized packaging:packed by plastic vacuum bag
4. Quality Guarantee: If any quality problems, free replacement will be adopted

1. 35% for fiber-optics, 30% infrared optics
2. 15% polymerization catalysts, and 15% electronics and solar electric applications.
3. The remaining 5% went into such uses as phosphors, metallurgy, and chemotherapy.

100g or customed per bag

Vacuum packing

1-10kg per box

         Changsha Santech Materials Co., Ltd. is a private enterprise that integrates scientific research, material

         processing and recycling of Tellurium, Bismuth and Indium. We successfully developed hight purity Tellurium

         Dioxide 99.999%, P-type Bismuth Oxide,low melting point alloy as well as low-oxygen metal nanopowder.

         We aim to be a leading premium supplier of specialty purified metals and advanced materials in the world.


         After years of efforts, we have a comprehensive quality management system and production flow with

         advantages of below:

         1.Customize ultra-pure metals, alloys and compounds.

         2.Full process to the beginning of project and final production.

         3.Independent Export License (No. 01548086)

         4.Reputable business relationship spread over 20 countries and regions.


         Changsha Santech has developed sperical Cadmium shot, oxygen-free Selenium shot and persistent emphasis

         on R&D ensured our endless efforts on quality excellence and continuous development on new materials We

         sincerely look forward to working with reliable partners in the long-term mutually beneficial cooperation.

        1.Fast Delivery: In 2-5 days

        2.Quality Guarantee: If any quality problems, free replacement will be adopted.

        3.Technical Support: 24 hours technical support by e-mail or calling

        4.FAQ Email Help: 2 hours in workday, 12 hours in the weekend.

        5.Convenient Payment: We accept the Bank Transfer, L/C, Western Union, PayPal, Escrow, etc.

        6.You can also place an order quicky.

                                More Product:Germanium Ingot,Germanium Piece,Germanium Powder and more