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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Your comments are invited d7452 for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

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. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

It has been shown that the degree of cure of ethyl silicate zinc-rich atm can be measured by the chemical changes occurring using diffuse reflectance infrared spectroscopy. Current edition approved Jan. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

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?

Clean the surface with tap water or dry cloth to remove loose material. Specific hazard statements are given in Section 6. Complete each double rub one forward and back motion in about 1 s. Separate test panels corresponding to each coating thickness d4725 were scored after a 6-h cure period and a h cure period.

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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. As relative humidity and temperature vary during the day, so does the rate of cure. Rate the results in accordance with Table 1.

A superscript epsilon e aastm an editorial change since the last revision or reapproval. Precision and Bias 8. Practice D is the preferred d47522 for organic coatings.

Last previous edition approved in as D — The following observations were made through this dd4752 As relative humidity and temperature vary during the day, so does the rate of cure. A certain minimum degree of cure is necessary prior to topcoating. If the former, record the number of rubs when the substrate is exposed. The Society for Protective Coatings, 40 24th St. Practice D is the preferred method for organic coatings.

The values given in parentheses are for information only. 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.

Solvent Resistance Rub Test – ASTM D4752

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxv4752 service astm. 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?

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.

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Performance ratings and general statistical information have been in Table X1. The primer was separately applied to multiple test panels at two different dry?

Originally approved in Mark a by mm 6- by 1-in. Do not allow more than 10 s to elapse before proceeding to the next steps. It is the responsibility of the user of this standard wstm establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Use this area as the control to visually show the appearance of No Effect.

Historical Version s – view previous versions of standard. The values given in parentheses are for information only.

Reagents and Materials 5. 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.

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 d475 of the?

Link to Active This link will always route to the current Active version of the standard. Users of this d752 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 certain minimum degree of cure is necessary prior to topcoating.