추가 설명:
Al Etchant (GEIT), a pharmaceutical-grade colorless transparent solution manufactured directly by Shanghai Wechem Technology to its own in-house standards, is a phosphoric/nitric/acetic acid etching mixture (roughly 68.5-69.5% H3PO4, 2.1-2.9% HNO3, 9.6-10.3% CH3COOH) with tightly controlled trace-metal limits, classified as a UN2449 dangerous good. It is sold across North America, Central/South America, Western and Eastern Europe, Australasia, Asia, the Middle East and Africa; no samples are provided.
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