22 Jul ASTM D cross hatch tape test – Designation: D – 02 Procedure Select an area free of blemishes and minor surface. ASTM D Standard Test Methods for Rating Adhesion by Tape Test. ASTM D Standard Test Methods for Measuring Adhesion by Tape Test. Significance and Use. If a coating is to fulfil its function of protecting or decorating a.
|Published (Last):||9 January 2018|
|PDF File Size:||8.71 Mb|
|ePub File Size:||9.13 Mb|
|Price:||Free* [*Free Regsitration Required]|
Test Method D was developed with metal as the substrate and, in the absence of supporting precision and bias data, is so limited. When the peel angle and rate vary, the force required to remove the tape can change dramatically due to the rheological astm d3359 free of the backing and adhesive.
These test methods have been astm d3359 free being used to measure adhesion of organic coatings on non-metallic substrates for example, wood and plasticalthough related precision and bias data is lacking.
Issues with plastic substrates are noted in Appendix X1. Precision and bias data on the latter is lacking. Users shall not astm d3359 free intermediate values for ranking adhesion tests within this method. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM D – 17 Standard Test Methods for Rating Adhesion by Tape Test
As such, no single tape is likely to be suitable for testing all coatings. The intra- and inter-laboratory precision of this test method is similar to other test methods for coated substrates for example, Test Method D and Test Method Dand is insensitive to all but large differences in adhesion. The accuracy and precision of the test astm d3359 free obtained by using astm d3359 free methods depends largely upon the skill of the operator and the operator’s ability to perform the astn in a consistent manner.
Key steps that directly reflect the importance of operator skill include the angle and rate of tape removal and the visual assessment of the tested sample.
They do not distinguish between higher levels of adhesion for which more sophisticated methods of measurement are required. If testing coatings on non-metallic substrates, either Test Method A astm d3359 free Test Method B may be more appropriate fere the method employed should be discussed by interested parties.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory d335 prior to astm d3359 free. A similar test method, ISOpermits tests on non-metallic substrates for example, wood and plaster.
The values given astm d3359 free parentheses are for information only. Historical Version s – view previous versions of standard.
Furthermore, these test methods do not give an absolute value for the force required for bond rupture, but serves only as an indicator that some minimum value freee bond strength was met or exceeded 12. Historical Version astm d3359 free – view previous versions of standard Translated Version s: Variation in pull rate and peel angle astmm effect large differences in test values and must be minimized to assure reproducibility 3.
Limiting the range of rankings from 0 to 5 astm d3359 free the inability of this test method to make fine distinctions between levels of adhesion.
Link to Active This link will always route to the current Active version of the standard. It is not unexpected that different operators might obtain different results 12.
Because the substrate and its surface preparation or lack thereof have a drastic effect on the adhesion of coatings, a method to evaluate astm d3359 free of a coating to different substrates or surface treatments, or of different coatings to the same substrate, is of considerable usefulness in the industry.