The pulloff strength determined by this procedure is a performance property, and it may be referenced in specifications. The only thing that matters for accurate adhesion test results is that the pull stress is 100% evenly distributed throughout the pulled coating. This test method covers procedures for evaluating the pulloff adhesion strength of a coating on concrete. Astm d7234 12 standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers active standard astm d7234 developed by subcommittee.
The values given in parentheses astm d7234 for information only. Astm international, formerly known as the american society for testing and materials astm, is a globally recognized leader in the development and delivery of international voluntary consensus standards. Enter now 1 jan buy astm d test method for pulloff adhesion strength of coatings on. Cohesive test for testing cohesive strength of hardened concrete. The grout was spread on concrete paving panels using gloved hands. Astm d903 180 degree peel strip strength of adhesive bonds. Astm d454117 standard test method for pulloff strength. Standard test methods for liquid limit, plastic limit, and plasticity index of soils1 this standard is issued under the. The test determines the greatest perpendicular force in tension that a surface area can bear before a plug of material is detached. The variability is presented in three different forms. Astm d3330 terminology of packaging and distribution astm d3330. Astm d454117 standard test method for pulloff strength of coatings using portable adhesion testers. Internal memory stores maximum pulloff pressure, rate of pull, test duration and dolly size for up to 200 pulls. This is a useful test when used to evaluate air barrier.
Enter now 1 jan buy astm d test method for pulloff adhesion strength of coatings on concrete using portable. Two different astk seldom agree in these properties. Astm d7234 05, standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers, astm international, west conshohocken, pa, 2005. Astm d7234 19, standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers, astm international, west conshohocken, pa, 2019. Optional posisoft software available for downloading. Paint adhesion tester positest ata automatic astm d4541d7234. Scribd is the worlds largest social reading and publishing site.
What astm d4541 and iso 4624 are really trying to say is that the pull stress must always be evenly distributed in the tested coating. The coating specification itself required a minimum adhesion of 1,000 psi. Adhesion testers according to astm d4541d7234, iso 4624, sspccs 23. Astm d4787 standard practice for continuity verification of. The plate is placed horizontally astm d3330 the test machine and the free end of the tape is grasped in axtm machine grips. Versatile p internal memory stores maximum pulloff pressure, rate of pull, test duration and dolly size.
Astm standard d723412 for pull off adhesion strength of coatings b. Pulloff adhesion tester measures adhesion of coatings to metal, wood, concrete and other substrates revolutionary selfalignment feature and. Test method alow voltage wet sponge, and test method bhigh voltage spark testers. Strength of concrete repair and overlay materials by direct tension pulloff method. Astm d7234 concrete ndt strength evaluation apparatus. The pulloff strength determined by this procedure is a performance property, and it. Astm d723419 standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers. Free updates 50 mm 20 mm 10 mm defelsko corporation. Astm d723405 standard test method for pulloff adhesion strength of. Astm c158304 standard test method for tensile strength of concrete surfaces and the bond strength or tensile strength of concrete repair and overlay materials by direct tension pulloff method astm d7234 05 standard test method for pulloff adhesion strength of coatings on concrete using portable. Astm d454102 contains a section that addresses precision and has a table that shows the expected variance for laboratory test results intralaboratory done in the same lab, as well as interlaboratorya comparison between different labs. Astm d7234 19 standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers. The accessory kit includes 50 mm dollies which are standard in most specifications. Doclive free unlimited document files search and download.
Substrate requirements, compressive and cohesive testing. Astm d454117 pulloff strength of coatings test ansi blog. For astm d, we would configure a small capacity load cell 10 or. Coating adhesion testing in accordance with astm d4541. Astmd7234 standard test method for pulloff adhesion. The standard test method covered in astm d454117 standard test method for pulloff strength of coatings using portable adhesion testers is used for evaluating the pulloff strength otherwise known as adhesion of a coating system from metal substrates. Astm d4787 standard practice for continuity verification.
Conforms with astm d4541 d7234, iso 4624, sspccs 23. Sep 25, 2017 the standard test method covered in astm d454117 standard test method for pulloff strength of coatings using portable adhesion testers is used for evaluating the pulloff strength otherwise known as adhesion of a coating system from metal substrates. Conforms with astm d4541d7234, iso 4624, sspccs 23. This test method describes a class of apparatus known as portable pulloff adhesion testers. Astm d peel adhesion pressure sensitive adhesive tapes. Asmt stainless steel astm d903 is the generally accepted standard, however other materials such as wood, plastic, or plaster board, may be used. Table of contents astm standards for material performance. Astm d7234 are capable of applying a concentric load and counter load to a single surface so that coatings can be tested even though only one side astm d7234 accessible. Astm d pull off test standard free download as pdf file. Kta1 1 gallon mcor 5511 component a kta2 1 quart mcor 5511. This test method serves as a means for uniformly preparing and testing coated surfaces, and evaluating and reporting the results. Astm c311 download 30 jan this standard is issued under the fixed designation c.
For guidance on the standard test method for testing the adhesion of coatings on concrete, refer to astm d723419. Complies to en iso 4624, en 101512, en 1542, en 48, en 963, en 14496, astm d4541, astm c1583, astm d7234. Failure will occur along the weakest plane within the system comprised of the loading fixture, glue, coating system, and substrate, and will be exposed. Adhesion tester astm d4541d7234, iso 4624, sspccs 23. Astm d3330 back the tab to a 90 degree angle and connect it to the grip. Astm d4541 standard test method for pulloff strength of. Astm d7234 12 standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers. Astm d723405 includes cohesion and adhesion test formulas a clean and dry surface. Dec 28, 2018 astm d7234 pdf all the controls products astm d standard. P 10, 14, 20 or 50 mm dollies maximize capability and measurement resolution. Today, some,000 astm standards are used around the world to improve product quality, enhance safety, facilitate market access and trade. Astm d723405 includes cohesion and adhesion test formulas. Click here to download the video script in english. Optional software available for downloading to a computer.
Adhesion testers according to astm d4541 d7234, iso 4624, sspccs 23. The specified requirements were that a minimum of one test be done per 1,000 square feet of coating, and one test per 100 square feet of coating repairs. Note 3method a, which appeared in previous versions of this standard, has been eliminated as its main use is for testing on concrete substrates see test method d7234. Follow astm d723405 or modified astm d454102 standards note. The only thing that matters for accurate adhesion test results is that the pull stress is. Astm d7234 05 standard test method for pulloff adhesion. Third part test results against astm and other standards a. How to measure the pulloff adhesion of coatings on concrete. A number in parentheses indicates the year of last. Astm d5162 standard practice for discontinuity holiday testing of nonconductive protective coating on metallic substrates published by astm on december 1, 2015 this practice covers procedures for determining discontinuities using two types of test equipment. Assessing the result of a pulloff adhesion test youtube. Astm d454117 standard test method for pulloff strength of. Astm d7234 pdf all the controls products astm d standard.
Astm d7234 19 standard test method for pulloff adhesion. After curing, the grout was scored at a diameter equal to the diameter. Pulloff tester introduction the apparatus is mainly used to evaluate the bond strength of two layers of concrete or the adhesive strength of surface coatings e. Pulloff strength of coatings from concrete is described in test method d7234. Astm standard g6214 for holiday detection in pipeline coat ings iii. Measurements are limited by the strength of adhesion bonds between the loading fixture, coating system and the substrate or the cohesive strengths. Standard test methods for liquid limit, plastic limit, and. For astm d, we would configure a small capacity load cell 10 or 25 pound for this low force peel test. The test determines the greatest perpendicular force in tension. The tensile pulloff method for adhesion testing, as outlined in astm d 4541 and similarly in bs en iso 4624, involves gluing a test dolly to the coated surface and then pulling the dolly by exerting a force perpendicular to the surface in an effort to remove the dolly with the coating from. Astm d4541 standard test method for pulloff strength of coatings using portable adhesion testers.
Astm d4541 17 standard test method for pulloff strength of. Astm d7234 standard test method for pulloff adhesion. Tensile adhesion pulloff strength was measured in accordance with astm d723412, standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers. Astm d7234 509 psi bond strength wet concrete astm d7234 364 psi substrate failure slant shear bond strength astm c882 774 psi. Astm international is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials. Astm d723419, standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers, astm international, west conshohocken, pa, 2019, back to top. The g are small and precise, perfect for very small load cells testing at low loads. Astm international is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. Astm d7234 standard test method for pulloff adhesion strength of coatings on concrete using portable pulloff adhesion testers. Astm d4541 is a standard test method that is used in order to evaluate the pulloff strength of air barrier membranes. Astm d723412 standard test method for pulloff adhesion. Astm d7234 adhesive adhesion free 30day trial scribd. On a recent coating project, adhesion testing was to be done in accordance with astm d4541. Sspcsp adhesionastmde tensile pull off adhesion testing astm d is becoming a more widely specified testing.
486 1347 1158 1628 826 478 1220 376 1041 1144 513 72 15 236 1344 289 489 1117 1124 863 385 601 321 25 448 213 1116 690 1489 1468 572 685 509 423 1083 768 712 340 1091 368 17 394 761 46 963 954