Tantalum is a chemical element with the symbol Ta and atomic number 73. It is a very hard, ductile, lustrous, blue-gray transition metal that is highly corrosion-resistant. Tantalum is found in nature primarily in the minerals columbite-tantalite (also known as tantalum-columbite) and tantalite-(Fe,Mn). properties of tantalum: Melting point: 3,020 C (5,453 F) Boiling point: 5,900 C (10,412 F) Density: 16.69 g/cm³ Electrical conductivity: 2.25 (40 C)·cm Thermal conductivity: 13 W/mK (20 C) Hardness: 190 HV (300 C) Corrosion resistance: Excellent resistance to acids and alkalis
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Place of Origin: Uruguay Brand Name: JLIFA Model Number: SK-1023 Instrument classification: Class II Product name: Disposable 3ply Non-woven Dust Face Mask Earloop Quality: 100%quality guaranteed Type: Disposable face mask Application: Clinic,hospital,person Color: 3ply blue and white Material 1st layer: Non Woven Fabric Material 2rd layer: High density filter paper, BFE>95-99% Material 3th layer: Non woven( ES material available) Certificate: CE
Place of Origin: Uruguay Brand Name: JLIFA Model Number: SK-1023 Instrument classification: Class II Product name: Disposable 3ply Non-woven Dust Face Mask Earloop Quality: 100%quality guaranteed Type: Disposable face mask Application: Clinic,hospital,person Color: 3ply blue and white Material 1st layer: Non Woven Fabric Material 2rd layer: High density filter paper, BFE>95-99% Material 3th layer: Non woven( ES material available) Certificate: CE
