ASTM D4752 PDF

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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A certain minimum degree of cure is necessary prior to topcoating. Mark a by mm 6- by 1-in. The following observations were made through this analysis: Do not allow more than 10 s to elapse before proceeding to the next steps.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Current edition approved Jan.

Link to Active This link will always route to the current Active version of the standard. Rate the results in accordance with Table 1.

Clean the surface with tap water or dry cloth to remove loose material. Complete each double rub one forward and back motion in about 1 s. 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.

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TABLE 1 Scale for Resistance Rating Resistance Rating 5 4 3 2 1 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 asm A certain minimum degree of cure is necessary prior to topcoating.

The primer was separately applied to multiple test panels at two different dry? 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.

Originally approved in Practice D is the preferred method for organic coatings.

Historical Version s – view previous versions of standard. Performance ratings and general statistical information have been in Table X1.

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. Practice D is the preferred method for organic coatings. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

The values given in parentheses are for information only.

Solvent Resistance Rub Test – ASTM D4752

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? The MEK resistance of some twocomponent ethyl silicate zinc-rich primers has been shown to correlate well with the cure of the primer as determined by diffuse re?

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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. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

ASTM_D(MEK Resistance)_百度文库

Reagents and Materials 5. Last previous edition approved in as D — As relative astj and temperature vary during the day, so does the rate of cure.

If you feel d47522 your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. 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.

A number in parentheses indicates the year of last reapproval.

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