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 | MST-201清洗劑 |
- 產品詳情
本品為高效液體金屬清洗劑，對各種金屬都無腐蝕性，廣泛地應用于鋁、鋅、銅及其合金各種基材制件的除油脫脂工序。
物化特性：
外觀：無色至淺黃色的半透明至透明粘稠液體。
比重：1.02～1.06g/cm3
PH值：9～12.5
游離堿度：6.5～25點
除油率：大于99%
用法指南（以1000L為例）：
用量：MST-201 30～50kg（即3～5%）
處理條件：游離堿度：0.8～7.6點
溫度：常溫至70℃
時間：2～60min
處理方式：浸漬、噴淋、超聲波、滾桶
檢測方法：
取10ml處理液，加水25ml，加5滴酚酞，用0.1N的標準鹽酸滴定至粉紅色變無色，耗用鹽酸的毫升數(shù)即為該處理液游離堿度的點數(shù)。（檢測物化特性中的游離堿度，取MST-201原液10ml）
備注：
MST-201除油時間受工件表面油污的性質輕重以及操作條件（如溫度）和操作方式（如浸漬）等因素的影響，因此時間范圍很寬。
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