D 4285 83 reapproved 1999 standard test method for indicating oil or water in compressed air1 this standard is issued under the. The blotter spot method sample preparation and test procedure. Exhaust compressed air at 1824 for 1 minute onto collector. Simply attach a piece blotter paper to a rigid backing using tape and perform the test accoridng to astm d 4285. Active standard astm d4285 developed by subcommittee. Compressed air blotter test for rubber lining and painting. For the exact specification the standard would be according to astm d 4285. This test method is used to determine the presence of oil or water in compressed air used for abrasive blast cleaning, air blast cleaning, and coating application operations.
Begin using this easy onsite test to identify excessive engine soot, evaluate a lubricants dispersancy and detect the presence of glycol, diesel fuel and other. Conduct a blotter test in accordance with astm d 4285, acceptance criteria is no visible oil, water or other contamination allowed. Air compressor blotter test based on astm d 4285 inspectionfor. An astm designation number identifies a unique version of an astm standard. Quality control of abrasive blast cleaning operations. Astmd4285 standard test method for indicating oil or.
American society for testing and materials reprinted from. Blastline sptblotpk blotter paper, surface oilwater test, 8 x 8. Similarly, water indication of absorbent paper is not acceptable for sandblasting work, and air compressor should be rejected and subjected to the repair. Standard test method for indicating oil or water in compressed air.
Blotter test performed per astm d 4285 requirement of sspc abrasive blast cleaning standards. Gavarino oil filtration system simple blotter test on a paper towel. Quality control instrumentation for paint and coating. The values stated in inchpound units are to be regarded as standard. Astm d4285 standard test method for indicating oil or. Astm d4285 832006 standard test method for indicating. The test can be performed with white absorbent paper. Astm d4285 blotter test pdf test set up astm f88 astm c794 adhesion test astm adhesion test astm hydraulic conductivity test astm d84 corrosion test standard test procedure astm d6927 astm d1194 plate bearing test astm d36 test method for softening point of bitumen 2. Air compressor blotter test acceptance criteria as per astm d 4285, any oil indication discoloration of white absorbent paper is a cause for rejection of air compressor. Astm d4285 832018 standard test method for indicating.
Standard test method for indicating oil or water in. Astm g5, standard reference test method for making potentiostatic and potentiodynamic anodic pol 2. The air compressor blotter test is performed before sandblasting process. No other units of measurement are included in this standard.