High pure Germanium metal 4N-7N 99.999% Factory price CAS：7440-56-4

Germanium is a commonly used far-infrared material, which has good transmittance in the transmission range of 2000 nm to 17000 nm, and is opaque in the visible wavelength band, so germanium is very suitable for infrared laser applications, germanium has a very high refractive index, which is an ideal choice for biomedical and military imaging applications, commonly used in infrared thermal imaging systems, laser applications. Germanium is also used as a variety of monocrystalline germanium raw materials, semiconductor and detector, infrared optical industry.

Germanium powder is mainly used in semiconductor devices, coatings and alloy addition. Germanium powder can also be used in optical fiber communication systems, solar cells and other fields.

Storage Condition: It should be stored in a warehouse with cool, ventilated, dry, clean and chemical corrosion-free atmosphere. Moisture proof. 

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A: We are factory.

A: Generally it is 5-10 days if the goods are in stock， or it is 15-20 days if goods needs preparation  it is according to quantity.

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

A: Payment<=10000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.