ASTM D1882-17 (R2021) pdf free download.Standard Test Method for Effect of Cooling System Chemical Solutions on Organic Finishes for Automotive Vehicles.
1 . 1 This test method determines the effect of cooling system themical solutions on organic finishes used on motor vehicles Cooling system chemicals include : coolants or corrosion inhibitors , or both , cooling system cleaners or flushes, or both, and stop leak additives
Note 1-This test method is a modification of Method of Test D1540
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are
provided for information only and are not considered standard.
3 . Summary of Test Method
3.1 Concentrated or diluted cooling system chemical solutions are brought into contact with organic finishes typical of
those used on automobiles for I h at room temperature . The surface of the finish then is inspected visually for any of the surface changes mentioned in Section 4
4 . Significance and Use
4.1 This test method will distinguish between cooling sys tem chemical solutions that do or do not have a tendency to
change the surface appearance when applied to organic finishes used on vehicles . Such changes may be manifested b
discoloration , loss of gloss , softening , swelling , or other similar phenomena
5 . Materials
5.1 Test Panels-Steel panels , approximately 100 mm by 150 mm ( 4 in . by 6 in . shall be prepared in accordance with
the Methods of Preparation of Practice D609 . The surface of the test panels shall be roughened to 0.25 um to 0.50 um
( 10 win . to 20 uin ) prior to applying the organic finish . These panels shall be coated with an organic finish of the type used on vehicles such as clear coated and non-clear coated thermoset urethane and acrylic urethane finishes . Other finishes and painted panels of varying age and dimensions (24 in minimum ) may be used upon agreement between the customer and supplier .
6 . Ttest Solution
6 . The coolant to be tested shall be either a concentrate or a dilution . Sufficient ASTM Type IV water shall be added to yield a solution of 50 % concentration by volume in accor dance with Practice DII 76 , section on Preparation of Solutions . Requiring Inclusion of Separated Solids and Liquids . Any separated solids or liquids shall be included in the test material.ASTM D1882 pdf download.