ขาย ✨PTPTRATE✨1pc 100*100*0.5mm High Purity Pure Zinc Zn Sheet Plate Metal Foil For Science ราคาที่ดีที่สุด

Welcome to our shop ✿ PTPTRATE ✿! Your happy shopping experience is our destiny! Please feel free to contact us once you have any problem! We will try our best to help you! We support 100% quality gurantee for you ! ▶ ▶ Follow and contact us for extra discount! Hope you can enjoy your shopping trip in pecification: Specification: Brand new Size: approx.100 × 100 × 0.5mm Density: 7.14 g / cc Melting point: 419.5 ℃ Feature: Make of High Purity zinc material,solid and durable, never rust. Suitable for: a variety of experimental situations. Zinc plates are widely used in exterior and interior room decoration, electrical, electronic goods, auto parts and drainage pipes. Chemical properties description: Zinc is a bluish-white metal. A density of 7.14 g / cc, a melting point of 419.5 ℃. At room temperature, brittle; 100 ~ 150 ℃, become softened; exceed 200 ℃, they become brittle. In nature, the multi-state presence sulfide. Zinc chemically is active. In the air of normal temperature, the surface will form a layer of zinc carbonate film. It can prevent further oxidation. Atomic radius: Atomic radius (calc) 135 (142) pm Covalent radius 131 pm Van der Waals radius 139 pm Content (ppm): The content of elements in the sun: 2 Content elements in seawater: 0.00005 (trace elements) Content of the crust: 75 (trace elements) Crystal structure: Hexagonal Extranuclear atomic arrangement: 2,8,18,2 Nuclear charge: 30 Package included: 1pc x zinc sheet Note: Please allow 1-2cm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.