ASTM D – Designation: D – 08 Standard Test Methods for Measuring Adhesion by Tape Test. Buy ASTM D TEST METHODS FOR MEASURING ADHESION BY TAPE TEST from SAI Global. ASTM D Historical Standard: ASTM D Standard Test Methods for Measuring Adhesion by Tape Test. SUPERSEDED (see Active link, below).
|Published (Last):||10 May 2008|
|PDF File Size:||4.1 Mb|
|ePub File Size:||11.52 Mb|
|Price:||Free* [*Free Regsitration Required]|
F3359-08 with plastic substrates are noted in Appendix X1. The limited scale of 0 to 5 was selected deliberately to avoid a false impression of being sensitive.
Precision and Bias 6 Are you sure you d3359-08 to empty the cart? Committee D01 has identied the location of selected changes to this standard since the last issue D – 02 that may impact the use of this standard. It is reasonable to state that at the present time no test exists that can precisely assess the actual physical strength of an adhesive bond.
Applied to metals, it is economical to perform, lends itself to job site application, and most importantly, after decades of use, people feel comfortable with it. Precision and bias data on the later is lacking. A significant compressive force arises from the response of the tape backing material to being stretched.
Thus both tensile and compressive forces are involved in adhesion tape testing.
Approved February 1, As such, no single tape is likely to be suitable for testing all coatings. Weatherization Aztm Print and Assembly Directions. Approved June 1, It is astn that coating removal occurs when the tensile force generated along the latter interface, which is a function of the rheological properties of the backing and adhesive layer materials, is greater than the bond strength at the coating-substrate interface or cohesive strength of the coating.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. A superscript epsilon e indicates an editorial change since the last revision or reapproval. It is of particular importance that the cutting edge or edges be in good awtm.
Also, because tapes change on storage, bond strengths of the tape may change over time 7, 8. If the adhesion strength of the tape has not been determined, report the specific tape used and its manufacturer.
ASTM D3359 Measuring Adhesion by Tape Test
When making the incisions, use the straightedge and cut through the coating to the substrate in dd3359-08 steady motion. There generally is difficulty, however, in relating these tests to basic adhesion phenomena.
Search book title Enter keywords for book title search. Further, the tape test does not give an absolute value for the force required for bond rupture, but serves only as an indicator that some minimum value for bond strength was met or exceeded 7, 8. Differences in tapes used can lead to different results as small changes in backing stiffness and adhesive rheology cause large changes in the tension area.
When making successive single cuts with the aid of a guide, place the guide on the uncut area. Apparatus and Materials Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend. The central issues are that the test on plastics lacks reproducibility and does not relate to the intended application.
It is of particular importance that the cutting edge or edges be in good condition. Users shall not use intermediate values for ranking adhesion tests within this method.
The nal step in the test is visual assessment of the coating removed from the specimen, which is subjective in nature, so that the coatings d335-08 vary among individuals evaluating the same specimen 9. The color under the tape is a aetm indication of when good contact has been made.
ASTM D 3359 – 09 Standard Test Methods for Measuring Adhesion by Tape Test
Justification for the cutting step is reasonable as cutting provides a free edge from which peeling can begin without having to overcome the cohesive satm of the coating layer.
FORMAT Single User Subscription Site License Subscription BOOKS All Books PACKAGES All Packages EDITION to PUBLISHER. Register for a trial account. NOTE 3—It should be recognized that differences in adherability of the coating surface can affect the results obtained with coatings having the same inherent adhesion. Dhave advised this subcommittee that the properties of these tapes were changed.
ASTM D – 17 Standard Test Methods for Rating Adhesion by Tape Test
Flaking and detachment worse than Grade 1. If the metal has not been reached make another grid in a different location. Significance and Use 4. If more information is required about the tapes being evaluated in the D A signicant compressive force arises from the response of the tape backing material to being stretched. The final step in the test is visual assessment of the coating removed from the specimen, which is subjective in nature, so that the coatings can vary among individuals evaluating the same specimen 9.
It is not unexpected that different operators might obtain zstm results 7, 8.