ASTM D4740是一种测试方法,用于评估残渣燃料油的清洁度和兼容性。该方法适用于100℃时粘度达50CST的残渣燃料油。测试方法包括将预热并充分混合的样品滴在测试纸上,然后在100℃的烤箱中放置1小时后,将测试纸从烤箱中移出,观察并判断固体悬浮物的情况,以此来评估燃料...
ASTM D4740-04的发布历史信息,该测试方法中的两个程序单独或组合使用,以识别可能导致离心机负载过多、过滤器堵塞、油箱污泥形成或类似操作问题的燃料或混合物。根据清洁度程序,成品燃油的现场评级为 3 号或更高,表明该燃油含有过量的悬浮固体,可能会导致操作问题。尽管
ASTM D 4740 - 19 下载积分: 1000 内容提示: Designation: D4740 − 19Standard Test Method forCleanliness and Compatibility of Residual Fuels by SpotTest 1This standard is issued under the f i xed designation D4740; the number immediately following the designation indicates the year oforiginal ...
not exceed one rating number only in one case in 20.11.1.2 Bias—Since there is no accepted reference materialsuitable for preparing the spots used in the spot ratingprocedures in Test Method D4740, bias has not been deter-mined.11.2 Automated Procedure:11.2.1 Final precision has not been de...
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国际标准分类中,astm +d4740+涉及到燃料。在中国标准分类中,astm +d4740+涉及到燃料油、固体燃料矿综合。美国材料与试验协会,关于astm +d4740+的标准ASTM D4740-04 用点滴试验法测定残余燃料清洁度和兼容性的标准试验方法 ASTM D4740-20 通过现场试验测定残余燃料清洁度和相容性的标准试验方法 ASTM D4740-19 ...
ASTM D4740-20 September 1, 2020 Standard Test Method for Cleanliness and Compatibility of Residual Fuels by Spot Test 1.1 This test method covers separate procedures for determining the cleanliness of residual fuel oil and the compatibility of a residual fuel oil with a blend stock. It is ap...
ASTM D4740-04 June 1, 2004 Standard Test Method for Cleanliness and Compatibility of Residual Fuels by Spot Test The two procedures in this test method are used alone or in combination to identify fuels or blends that could result in excessive centrifuge loading, strainer plugging, tank sludge ...
ASTM D4740-04 June 1, 2004 Standard Test Method for Cleanliness and Compatibility of Residual Fuels by Spot Test The two procedures in this test method are used alone or in combination to identify fuels or blends that could result in excessive centrifuge loading, strainer plugging, tank sludge ...
ASTM D4740-2020 通過斑點試驗來測定殘渣燃料油清潔度和相容性的標準試驗方法 中文版¥150元 ASTM D4745-2019 採用ASTM方法的聚四氟乙烯(PTFE)填充模壓和擠壓材料分類系統和基本規範 中文版¥120元 ASTM D4751-2016 測定土工織物表觀孔徑的標準試驗方法 中文版¥150元 ASTM D4752-2010(R2015) 通過溶劑...