Coal is a nonrenewable fossil fuel that is combusted and used to generate electricity. Mining techniques and combustion are both dangerous to miners and hazardous to the environment; however, coal accounts for about half of the electricity generation in the United States.
With our years in the coal mining sector, we can supply the quantity of 1000-2000MT every month.
- Total Moisture : 2,15% - Ash Content : 2.33% - Volatile Matter : 42,60% - Fixed Carbon : 52,92% - Gross Caloric Value : 7712-7791 Kcal/Kg - Sulfur : 0,71%
Steam coals range Gar 5000 to Gar 6500 available from various mines in Kalimantan and Sumatra. Price are based on prevailing ICI rates.
Steam, anthracite Coal
Coal
PT Riff Sejahtera Bersama is the subsidiary of RIFFY GROUP that become the face and voice of the company in the retail market. PT Riff Sejahtera Bersama has a great contract with every coal mine industry in Kalimantan & Sumatra, Indonesia. We are responsible for distributing go-to-market worldwide, providing supply, and creating partnerships with buyers and retailers. We ensure the safest payment method for buyers as the quality and quantity of the product are well secured. We happily invite buyers to visit the site if necessary, easy arrangements for our discussion, or perhaps an online conference to talk about the detailed specifications buyers need. Price FOB Indonesia: $92 / Mt Price CIF: to be discussed
Products and Services: We provide various types of coal with Guaranteed Calorific Value (GAR) ranging from 4700 to 7000, with low sulfur content, less than 1%. Our products include: GAR 7000 coal GAR 5800 coal NAR 4700 coal Our supply capacity reaches more than 200,000 MT/month, ensuring consistent availability for customers worldwide. We also have experience in fulfilling large orders, including orders of 1 MV with a capacity of more than 40,000 metric tons. Documents and Guarantees: We prioritize transparency and trust in every transaction. Complete documents such as Certificate of Analysis (CoA), Bill of Lading (BL), and other supporting documents are available to ensure smooth business processes. Additionally, we provide a 2% Performance Bond (PB) to ensure transaction security.
Anthracit coal Thermal coal
Color Black or brown, varying shades Texture Can be smooth, granular, or banded Hardness Soft to hard, depending on coal type Luster Dull to shiny Density Varies depending on coal type, typically around 1.2-1.5 g/cm�³ Porosity Varies, can be porous Composition Mainly composed of carbon, along with hydrogen, sulfur, oxygen, and trace minerals Moisture Content Can range from a few percent to over 30% Volatile Matter Varies, typically 20-45% Fixed Carbon Varies, typically 40-90% Ash Content Varies, typically 3-30% Heating Value (BTU/lb) Varies depending on coal type, typically 8,000-14,000 BTU/lb Heating Value (MJ/kg) Varies depending on coal type, typically 24-33 MJ/kg Combustion Characteristics Burns to release heat, producing carbon dioxide and other gases
Coal Harnessing the energy of the earth. Our high-quality coal is a reliable source of power, heating, and industrial use. Mined with precision and processed for optimal performance, it delivers consistent heat output and long-lasting burn times. Whether for electricity generation, steel production, or residential heating, our coal provides the energy you need with efficiency and dependability.
