Tin plates sheets, barita, coal, sugar, yellow corn, urea, cement.
Hi, We are Barrera Imports, a family business dedicated to selling Coltan. I communicate with you to offer our product. We have Coltan of Colombian origin, low in radioactivity and with tantalum levels greater than 30%. Each of our products comes with certification of origin, payment of royalties, plate, invoice and packaged according to export country with technical sheet per ton delivered. if you are interested in our product, please let me know. These are the data of our product a) Product : Coltan Tantalite b) Origin : Colombia d) Port of Discharge : Buyers preferred destination port. f) Quantity per month : 15 Ton g) Price : $80.00 USD Ton h) Fineness/Purity % : Ta= 35,527 % Nb=16,260 % Th= 0,077 % U= 0,138 % Pb= 0,426 % Ta205= 43,382% Nb205= 23, 620%
Our high-purity graphite, marketed under the trade name Cliftonite, is sourced from Barbosa - San Gil, Santander, Colombia and exhibits exceptional quality and structural integrity. With a purity level of 98.2%, our product stands out in the graphite market for its minimal impurity content and superior quality. Key Characteristics: Purity: 98.2% Graphite content, with only 1.8% Quartz as the primary impurity. Crystallographic Structure: Hexagonal, belonging to the space group P63/mmc, which contributes to its high stability and electrical conductivity. Physical Properties: The measured density is 2.16 g/cm , indicating a high degree of crystallinity and compactness. The crystallographic parameters include lattice dimensions of a = b = 2.4704 and c = 6.7244 , with alpha, beta, and gamma angles at 90 and 120 respectively. Color: Black, ensuring a classic and recognizable appearance. Sample Source: Specimen from Netolice, Czechoslovakia, showcasing our global sourcing capabilities. Applications: Due to its high purity and structural properties, our graphite is ideal for a wide range of applications including but not limited to electronics, metallurgy, batteries, and as a lubricant. Quality Assurance: Our product's quality is validated by GEOENSAYOS S.A.S., with a comprehensive mineralogical analysis using X-ray diffraction (XRD) and Rietveld quantification method, ensuring accuracy and reliability in the reported purity levels. Availability: We offer flexible supply capabilities to meet global demand, with thorough attention to customer-specific requirements and applications.
