ASTM D6677 PDF

14 Nov A standard method for the application and performance of this test is available in ASTM. D Tape Test. On metal substrates, a more formal. 1 Jul Buy ASTM D Standard Test Method for Evaluating Adhesion by Knife from SAI Global. ASTM D is the standard for this test method. Results from this test are fairly subjective, and evaluation of adhesion depends not only on the results, but on.

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Protocol 1 — Test to Fracture: This pressure is converted to psi directly on the instrument dial. The following devices are in accordance with CUAP standards: Arguably the most significant changes occurred in Section 8, where d6677 Test Protocols are now formalized. Make each leg of the the angl anglee a mini minimu mum m of Another difference relates to the size of the loading fixture 2-inches, or 50 mm.

The more significant changes by Section to the version are summarized below.

The test fixture is either left in place or removed d66777 tapping the side with a hammer to break the bond. One of the most important take-aways is that the results obtained with different asfm of testing equipment should not be compared, even when the types of equipment are included in the standard.

According to the standard, the applied load rate should not exceed 30 psi per second, to complete the test in 5 to 30 seconds.

ASTM-D, –

Please fill this form, we will try to respond as soon as possible. To reduce this effect, proper scoring and test fixture alignment techniques should be employed, and low loading rates should be avoided to reduce the time the elastomeric coating is under stress.

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Arturo Zapana Mendoza Category: If the document is revised or amended, you will be notified by email. Enter your personal account email address to request a password reset: The section now includes the following statement: It applies a perpendicular force to an attached loading fixture at a slow, constant rate; however, it uses hydraulic pressure to apply the force rather than pneumatic pressure.

October 5, at 8: See DDDand D Since these adhesion testers do not operate identically, caution should be exercised when comparing results. Coating is somewhat difficult to remove; chips ranging from approximately 3.

In contrast, the more subjective knife and tape adhesion tests can be done quickly with a minimal amount of equipment. The following devices are in accordance with ECCA standards: The following devices are in accordance with ECE The following devices are in accordance with EN standards: Characterizing a test area based on an apparent low or high individual result should be done with caution.

The values given in parentheses are for information only. The following devices are in accordance with ISO X Thank you for interesting in our services. Managing glue breaks is particularly notable and is bolded and italicized for emphasis below.

A nonmandatory Note Note 6 was added to provide further direction to the user when considering scoring. Size px x x x 6d677 ASTM D requires that coatings applied at greater than 20 mils be scored down to the concrete prior to attaching the loading fixture to remove the effect of. A conversion chart is used to convert burst pressure to psi or KiloPascals KPa.

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ASTM D6677:07(2012)

The reported load for these types of test results are not representative of the maximum load capacity of the coating tested. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password.

Finally, while concrete has high compressive strength, it frequently exhibits low tensile strength e. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. In this case, the load is applied to the fixture until the specified value is attained or detachment occurs, whichever happens first.

ASTM D6677 Standard Test Method for Evaluating Adhesion by Knife

Land Use and Development. Finally, Section 9 now lists some additional reporting requirements, including: Note 1 The term substrate relates to the basic surface on which a coating adheres may be steel, concrete, etc. The first Note 9 cautions the user that any amount of glue fracture will result in a reduction of the maximum test asmt measured by the testing apparatus.

Summary Summary of Test Test Method 3. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Standards Subsctiption may be the perfect solution. For large large structures structures make suff sufficient icient tests tests to ensure ensure that the adhesion evaluation is representative of the whole surface.

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