北京冠测低价G90074标准腐蚀试片(铜片)
标准腐蚀试片(铜片)符合GB5096《石油产品铜片腐蚀试验法》国家标准、GB466《铜分类》中Cu2(2号铜),纯度大于99.9%。标准腐蚀试片(铜片)规格:长75mm×宽12.5mm×厚1.5-3.0mm。标准腐蚀试片(铜片)符合GB5096《石油产品铜片腐蚀试验法》国家标准、GB466《铜分类》中Cu2(2号铜),纯度大于99.9%。标准腐蚀试片(铜片)规格:长75mm×宽12.5mm×厚1.5-3.0mm。标准腐蚀试片材质有A3、20#、不锈钢、黄铜、紫铜、铝、铸铁、镍试片等试片保存、使用方法:1.将标准腐蚀试片在蒸馏水中用脱脂擦洗一遍,再用蒸馏水冲洗15秒钟;2.将标准腐蚀试片在化学纯无水乙醇(50ml/每10片)中用脱脂擦洗两遍;3.标准腐蚀试片(测腐蚀挂片)置干燥滤纸上,冷风吹干;4.标准腐蚀试片用滤纸包好,置干燥器中,24小时后称重待用;5.原封装的试片置无腐蚀性气体处,防潮存放;6.已启封而未用完的标准腐蚀试片仍置于防锈纸内,放在干燥器中。Standardsamplecorrosion(copper)inlinewithnationalGB5096"test"ofcoppercorrosioninpetroleumproductsstandard,GB466"Cu2"intheclassificationofcopper(2copper),thepurityismorethan99.9%.Standardsamplecorrosion(copper)specifications:75mmx12.5mmwidex1.5-3.0mmthick.StandardcorrosiontestpiecematerialA3,No.20,stainlesssteel,brass,copper,aluminum,iron,nickelspecimen.Specimenpreservation,usemethod:1thestandardcorrosiontestpiecewithcottonscrubagainindistilledwater,andthenrinsedwithdistilledwaterfor15seconds 2thestandardcorrosiontestpieceinthechemicallypureethanol(50ml/per10)usingdefattedscrubbedtwotimes 3standardcorrosionspecimen(testcoupon)adryfilterpaper,drycold 4standardcorrosiontestpiecewithfilterbag,thedryer,24hoursafterweighingthestand-by Specimen5originalpackageisnoncorrosivegases,moisturestorage Standardcorrosion6hasbeenopenedandtheunusedspecimensarestillintheantirustpaperinside,putindryer.