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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As relative humidity and temperature vary during the day, so does the rate of cure. Last previous edition approved in as D — The values given in parentheses are for information only.

The following observations were made through this analysis: Link to Active This link will always route to the current Active version of the standard. Specific hazard statements are given in Section 6. Reagents and Materials 5.

Originally approved in The Society for Protective Coatings, 40 24th St. Clean the surface with tap asm or dry cloth to remove loose material. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

A certain minimum degree of cure is necessary prior to topcoating. Using the procedure outlines in this test method, eight different operators were asked to rate, in triplicate, the methyl ethyl ketone MEK rub resistance of a particular inorganic zinc-rich primer. Precision and Bias 8.

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Use this area as the control to visually show the appearance of No Effect. Do not allow more than 10 s to elapse before proceeding to the next steps. Current edition approved Jan.

Solvent Resistance Rub Test – ASTM D4752

Practice D is the preferred method for organic coatings. It is the responsibility of the user of this standard to establish appropriate safety d44752 health practices and determine the applicability of regulatory limitations prior to use.

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?

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

A certain minimum degree of cure is necessary prior to topcoating. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. 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?

If the former, record the qstm of rubs when the substrate is exposed. Historical Version s – view previous versions of standard.

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The values given in parentheses are for information only. If you feel that 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. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

A number in parentheses indicates the year of last reapproval. Performance ratings and general statistical information have been in Table X1. TABLE 1 Scale for Resistance Rating Resistance Rating 5 4 3 2 1 0 Description Astmm 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?

ASTM_D(MEK Resistance)_百度文库

It has e4752 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. 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? Mark a by mm 6- by 1-in.

As relative humidity and temperature vary during the day, so does the rate of cure.