Bulk bra pris fabriksförsäljning 99,9% 99,95% 99,99% tennprodukter köp rent tenn metall tenngöt
|
Namn |
Tenngöt |
|
standard |
Nationell klass |
|
Renhet |
99.95%~99.99% |
|
innehåll |
PB större än eller lika med 99,9% |
Vad är en ren tenngöt?
En ren tenngöt avser ett tennblock med exceptionellt låga föroreningsnivåer, som vanligtvis innehåller större än eller lika med 99,9 viktprocent, med föroreningar som bly, vismut eller järn begränsat till spårmängder (t.ex.<0.01%). Unlike lower-purity tin alloys, pure tin ingots retain the metal's inherent properties at their most unadulterated state: superior electrical conductivity, low melting point (231.9°C), and excellent corrosion resistance, especially against organic acids found in food. These characteristics make them indispensable in high-stakes applications where impurities could compromise functionality. For instance, ultra-pure tin (≥99.99%) is used in semiconductor manufacturing to create ultra-clean solder joints for microchips, ensuring minimal signal interference. They also feature in precision plating for aerospace components and the production of high-purity tin chemicals (e.g., stannic oxide for ceramics). The rigorous purification processes (electrolytic refining, fire refining) and strict quality certifications (e.g., ASTM A624) that define pure tin ingots justify their higher cost, as they guarantee reliability in mission-critical industries
