ASTM D3359-09 PDF

ASTM D assesses the adhesion of film coatings to metallic substrates by applying and removing pressure-sensitive tape over cuts made in the film. Documents Similar To ASTM D Eng Cross-cut. ISO Uploaded by. Quang Duan Nguyen · ISO Uploaded by. Anonymous n4bJbeLAq. This product is ASTM D compliant. Proven to be a very close equivalent to the Permacel P99 tape which was withdrawn from production by the.

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Link to Active This link will always route to the current Active version of the standard. ASTM D cross h Because the substrate and its surface preparation between the purchaser and seller.

Current edition approved Feb. Test Methods D was developed with metal as the substrate and, in the absence of supporting precision and bias data, is so limited. Several factors that contribute to these differences include coating composition and topology: The coating has aked along the edges and on parts of the squares.

Issues with plastic substrates are noted in Appendix X1. Rate the adhesion in accordance with the following scale illustrated in Fig.

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. A signicant compressive force arises from the response of the tape backing material to being stretched. Test Methods Related Coating Products D asstm developed with metal as the substrate and, in the absence of D Practices for Producing Films of Uniform Thickness supporting precision and bias data, is so limited. The color under the tape is a r3359-09 indication of when good contact has been made.

Cohesive failure within the coating lm is also frequently observed. Both test methods are used to establish whether the adhesion of a coating to a substrate is at an adequate level; however they do not distinguish between higher levels of adhesion for which more sophisticated methods of measurement are required.


d33559-09 If the metal has not been reached make another grid in a different location. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

As Mittal 1 10 has pointed out, the answer is both yes and no.

A number in parentheses indicates the year of last reapproval. These test methods were designed for relatively ductile coatings applied to metal substrates, not for asfm often brittle applied to plastic parts 7. NOTE 1—This test method has been reported being used to measure adhesion of organic coatings on soft substrates for example, wood and plastic.

Adhesive ASTM D3359 Cross Hatch Adhesion Test Tape | Elcometer 99

A superscript epsilon e indicates an editorial change since the last revision or reapproval. However, with the tape test, failures within the substrate or coating layers are rare because the tape adhesive is not usually strong enough to exceed the cohesive strengths of normal substrates and organic coatings.

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. This standard is subject to revision at any time by the responsible awtm committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn.

ASTM D – 09 Standard Test Methods for Measuring Adhesion by Tape Test [PDF] – Все для студента

Test Specimens dance with the following scale: The conditions and time of exposure will be governed by ultimate coating use or shall be agreed upon between the purchaser and seller. The values given in parentheses are for information only.

The intra- and immersion, clean and wipe the surface with an appropriate inter-laboratory precision of this test method is similar to other solvent which will not harm the integrity of the coating. These effects are related as they reect certain rheological properties of the backing and adhesive that are molecular in origin. Precision and Bias 6 9. Precision and Bias for two measurements.


ASTM D – 09 Standard Test Methods for Measuring Adhesion by Tape Test

If testing coatings on non-metallic substrates, either Test Method A or Test Method B may be more appropriate and the method employed should be discussed by interested parties. But it can also d3359-90 said that it is possible to obtain an indication of relative adhesion performance. The values given in parentheses are for information only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. If the adtm angle asmt rate vary, the force required to remove the tape can change dramatically.

There generally is difficulty, however, in relating these tests to basic adhesion phenomena.

However, the precision values given in Because of the variability in 7. Precision and bias data on the later is lacking.

NOTE 5—Coatings should be applied in accordance with Practice Dor as agreed upon between the purchaser and the seller. If aatm substrate has not been reached make another X in a different location.

Small akes of the coating are detached along edges and at intersections of cuts.

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