want to use melting metal to make different shaped craft or your experiment? This graphite ingot is your . Made of premium graphite, this has well thermal stability, corrosion resistance and impact resistance, strong acid and alkali resistance, good thermal conductivity. Suitable for laboratory, school science education. Features - Color: Black - Size: About 8.5 x 4.5 x 3cm. - Bulk density: 1.85g/ &sup3; - Electric resistivity: <=13unm. - Bending strength: &ge; 47Mpa. - Compressive: &ge; 75Mpa. - Hardness: 30-40 - Purity: 99.95% - Grain size: <=43 um. - This item is a graphite ingot for laboratory or educational use. - It has well thermal stability, corrosion resistance and impact resistance, strong acid and alkali resistance, good thermal conductivity. - Made from premium graphite, this item is clean and , - Can also be used as graphite crucible melting into non-ferrous metals, test analysis, as the ingot and other purposes - Note: the melting temperature should be lower than the fire resistance. Precautions: 1. Do not drop or impact the graphite from a height. 2. Store in a dry place to avoid getting wet. 3. After drying, do not expose it to water. 4. It is recommended to use a round patch or fine sandpaper to clean it. Do not use water. 5. The first use should pay attention to the slow temperature rise, which is beneficial to increase the service life. Package list: 1 x Graphite Ingot Mold