flaw detection agent
Flaw detectors are suitable for inspecting metal defects. They provide clear color development and are easy to use, making them a common inspection material in processing and inspection.
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選購指南
探傷劑(Penetrant Testing Spray)為液態滲透探傷(PT)用化學噴劑,分為滲透液、清洗液與顯像液三瓶一組,用於金屬燊縫、鑑件與鍛件表面的裂縫、氣孔與缺陷檢測;滲透液滲入裂縫後以顯像液使缺陷可見,無需 X 射線設備即可在現場完成初步非破壞性檢測(NDT)。長寬代理探傷劑品牌待確認,詳細型號資訊以 Airtable 產品表為準。
探傷劑怎麼選?
確認需要探傷劑後,依三個面向選型:
- 顯像方式: 染料滲透(紅色顯影,白色顯像劑)是最常用的目視型,在自然光下即可辨識;螢光滲透(黃綠螢光,需配紫外線燈 UV 燈)靈敏度更高,可偵測更細微的裂縫;確認現有設備(是否有 UV 燈)與靈敏度需求
- 被測材料: 金屬燊縫探傷選通用型滲透劑;鑑鐵與鍛鋼選高滲透性款;陶瓷、有色金屬與精密零件選低腕蝕性配方,避免探傷後材料受侵蝕
- 使用規範: 探傷三步驟(滲透→清洗→顯像)需嚴格按各品牌說明的停留時間操作;溫度影響滲透效果,低滫環境(10°C 以下)需延長滲透時間;確認現場滫度符合操作條件