With Holes:No Application:Jewelry Magnet Model Number:Ga 4N Shape:Block Type:Permanent Origin:Mainland China Certification:NONE,CE,RoHS Name, symbol, number:gallium, Ga, 31 molecular formula:Ga Density:5.91 g/cm3 Purity:99.99% Features: 1. High purity, suitable for university scientific research experiments, environmentally friendly, non-toxic and safe. 2. Net red metal, this DY liquid metal mirror is called gallium, it is not dangerous, you can try, test and play it is very interesting. 3. You can use this metal for experiments and games to make some interesting handmade works, which is very challenging. 4. The low melting point is easy to liquefy, you can put it on your hand to play and observe, it is very beautiful. 5. You can use molds to make your favorite crafts. In the process, you will feel happy and feel the wonderful metal changes. Description: This high-purity metal gallium is suitable for university research and experiment use. It is environmentally friendly, non-toxic and safe. You can use this metal for experiments and games to make some interesting handmade works, which is very challenging. Specifications: Material: gallium metal Main metal content: 99.999 (%) Melting point: 30 degrees Density: 5.919/cm Category: Metal Package Included: 1pc*5g metal gallium or 1pc*10g metal gallium (optional)