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ASTM D3359 FREE EBOOK

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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.

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Limiting the range of rankings from 0 to 5 reflects the inability of this test method to make fine distinctions between levels of adhesion. Link f3359 Active This link will always route to the current Active version of the standard. Variation in pull rate and peel angle can effect large differences in test values and must be minimized to assure reproducibility 3.

Users shall not use intermediate values for ranking adhesion tests within this method. Key steps that directly reflect the importance of operator skill asttm the angle and rate of tape removal and the visual assessment of the tested sample. Historical Version s – view previous versions of astm d3359 free. Issues with plastic substrates astm d3359 free noted in Appendix X1.

ASTM D – 17 Standard Test Methods for Rating Adhesion by Tape Test

Astm d3359 free the substrate and its surface preparation or lack thereof have a drastic effect on the adhesion of coatings, a method to evaluate adhesion of a coating to different substrates or surface treatments, or of different coatings to the same substrate, is of considerable usefulness in the industry.

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It is astm d3359 free responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. These test methods have been reported being used to measure adhesion of organic coatings on non-metallic substrates for example, wood and plasticalthough related precision and bias data is lacking.

The values given in parentheses are for information only. If testing coatings on non-metallic substrates, either Test Method A or Test Method B astm d3359 free be more appropriate and the method employed should be discussed by interested parties. When the peel angle and rate vary, the force required to remove the tape can change dramatically due to the rheological properties of the backing and adhesive.

Furthermore, these astm d3359 free methods do 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 12.

As such, no single tape is likely astm d3359 free be suitable for testing all coatings. It is not unexpected that different operators might obtain different results 12. A similar test method, ISOpermits tests on non-metallic substrates for example, wood and plaster.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Historical Version s – view previous versions astm d3359 free ffee Translated Version s: They do not distinguish between higher levels of adhesion for which more sophisticated methods of measurement are astm d3359 free.

Test Method D was developed with metal as the substrate and, in the absence of supporting precision and bias data, is so limited.

The accuracy and precision of astm d3359 free test result obtained by using these methods depends largely upon the skill of the operator and the operator’s ability to perform the test in astm d3359 free consistent manner.

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.

Precision and bias data on the latter is lacking.