ASTM D4752 PDF

ASTM D4752 PDF

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September 26, 2020

ASTM D MEK Test (Zinc Test) – Free download as PDF File .pdf), Text File . txt) or read online for free. Designation: D – Standard Test Method for. Measuring MEK Resistance of Ethyl Silicate (Inorganic) Zinc-Rich Primers by Solvent Rub1 This standard. Designation: D – 03 Standard Test Method for Measuring MEK Resistance of Ethyl Silicate (Inorganic) Zinc-Rich Primers by Solvent Rub1.

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Historical Version s – d47752 previous versions of standard. Using the procedure outlines in this test method, eight different operators were asked to rate, in triplicate, the methyl ethyl ketone MEK rub resistance atm a particular inorganic zinc-rich primer. The values given in parentheses are for information only.

As relative humidity and temperature vary during the day, so does the rate of cure. Mark a by mm 6- by s4752. Last previous edition approved in as D — As relative humidity and temperature vary during the day, so does the rate of cure. The MEK resistance of some twocomponent ethyl silicate d4572 primers has been shown to correlate well with the cure of the primer as determined by diffuse re?

TABLE 1 Scale for Resistance Rating Resistance Rating 5 4 3 2 atm 0 Description No effect on surface; no zinc on cloth after 50 double rubs Burnished appearance in rubbed area; slight amount of zinc on cloth after 50 double rubs Some marring and apparent depression of the?

It has been shown that the degree of cure of ethyl silicate zinc-rich primers can be measured by the chemical changes occurring using diffuse reflectance infrared spectroscopy.

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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. Performance ratings and general statistical information have been in Table X1.

Practice D is the preferred method for organic coatings. The values given in parentheses are for information only.

Separate test panels corresponding to each coating thickness category were scored after a 6-h astn period and a h cure period. Specific hazard statements are given in Section 6. It has been shown that the degree of cure of ethyl silicate zinc-rich primers can be measured by the chemical changes occurring using diffuse re?

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. A certain minimum degree of cure is necessary prior to topcoating.

A certain minimum degree of cure is necessary prior to topcoating. asstm

Solvent Resistance Rub Test – ASTM D4752

Link to Active This link will always route to the current Active version of the standard. Current edition approved Jan. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Clean the surface with tap water or dry cloth to remove loose material. Originally approved in Your comments will receive careful consideration at a meeting of the responsible aastm committee, which you may attend.

ASTM_D(MEK Resistance)_百度文库

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. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

The Society for Protective Coatings, 40 24th St. Reagents and Materials 5.

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If you feel that your comments have not received a fair hearing you should make your x4752 known to the ASTM Committee on Standards, at the address shown below. If the former, record the d752 of rubs when the substrate is exposed. The following observations were made through this analysis: Users of this standard are expressly advised that determination wstm the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

The primer was separately applied to multiple zstm panels at two different dry? A number in parentheses indicates the year of last reapproval. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

Do not allow more than 10 s to elapse before proceeding to the next steps. Use this area as the control to visually show the appearance of No Effect. Rate the results in accordance with Table 1.

Precision and Bias 8. Complete each double rub one forward and back motion atsm about 1 s. Practice D is the preferred method for organic coatings. The MEK resistance of some two-component ethyl silicate zinc-rich primers has been shown to correlate well with the cure of the primer as determined by diffuse reflectance infrared spectroscopy.