標準號：ISO 4263-4-2006
中文標準名稱：石油及相關產品.防腐蝕礦物油和液體的老化性能測定.TOST試驗.第4部分:工業齒輪油的程序
英文標準名稱：Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids - TOST test - Part 4: Procedure for industrial gear oils
標準類型：E39
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：E39
國際標準分類號：75.100
適用范圍：This part of ISO 4263 specifies a method for the determination of the ageing behaviour of gear oils ofcategories CKC, CKD, CKS and CKT as defined in ISO 6743-6[5]. The ageing is accelerated by the presenceof air and elevated temperatures, and the degradation of the oil is assessed by the change in kinematicviscosity at 100 °C, the insoluble content (precipitation number), and possibly the acid number increase, thesediment content by filtration, the additives content variation and the infra-red oxidation.