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Home; ASTM D standard by ASTM International, 12/01/ . View all product details PDF;; Immediate download; $; Add to Cart. D Standard Practice for Discontinuity (Holiday) Testing of Nonconductive Protective Standard + Redline PDF Bundle ASTM License Agreement. D - 01 Standard Practice for Discontinuity (Holiday) Testing of Nonconductive Protective Coating Format, Pages, Price. PDF ASTM License Agreement.


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Astm d 1. Designation: D – 00 Standard Practice for Discontinuity ( Holiday) Testing of Nonconductive Protective Coating on Metallic. Designation: D − Discontinuity (Holiday) Testing of Nonconductive Protective. Test Method B—High Voltage Spark Testers. 3. Discontinuity (Holiday) Testing of Nonconductive Protective. Test Method B—High Voltage Spark Testers. conducting this test since the acceptable quantity of discontinuities will vary depending on coating film thickness, design.

It will also interfere with intercoat adhesion of additional coats. Historical Version s - view previous versions of standard. Apply sufficient pressure to maintain a wet surface. Your comments will receive careful consideration at a meeting of the responsible technical committee. It shall be kept clean and free of coating material. Arturo Zapana Mendoza. A pulse type detector Examples:

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Scope 1.

For concrete surfaces, refer to Practice D It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use.

Referenced Documents 2.

D5162 pdf astm

Terminology 3. The degree of coating continuity required is dictated by service conditions.

Discontinuities in a coating are frequently very minute and not readily visible. This practice provides a procedure for electrical detection of minute discontinuities in nonconductive coating systems. Consult the coating manufac- turer for proper test equipment and inspection voltages. Atmo- spheric conditions shall also be considered since the voltage required for the spark to gap a given distance in air varies with the conductivity of the air at the time the test is conducted.

Suggested starting voltages are provided in Table 1. Its use on a lining previously exposed to an immersion condition could result in damaging the lining or producing erroneous detection of discontinuities 1 This practice is under the jurisdiction of ASTM Committee D on Protective Coating and Lining Work for Power Generation Facilities and is the direct responsibility of Subcommittee D Current edition approved May 10, Published July Originally published as D — Last previous edition D — Deposits may also be present on the surface causing telegraph- ing.

The use of a high voltage tester on a previously exposed lining has to be carefully considered because of possible spark through which could damage an othewise sound lining.

A low voltage tester can be used without damaging the lining but may also produce erroneous results. It is used to locate discontinuities in a noncon- ductive coating applied to a conductive substrate. Operation includes the use of an open-cell sponge electrode wetted with a solution for exploring the coating surface, a ground connec- tion, and an audible or visual indicator, or both, for signaling a point of coating discontinuity.

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The following electronic principle describes two types of devices generally used; others may be available but are not described in this practice.

This results in a rise in oscillator frequency as well as in the audible signal from the device. The length of time required shall be obtained from the coating manufacturer.

An example of a low sudsing wetting agent is one used in photographic development.

Norma Holiday Detector ASTM D5162-2001.pdf

The sponge shall be wetted suffi- ciently to barely avoid dripping of the solution while the sponge is moved over the coating. The wetting agent residue must be removed prior to executing repairs. The salt, after drying on the coated surface, may form a continuous path of conductivity.

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. Referenced Documents 2. D Practice for Continuity Veri? Terminology 3. May also be identi? Current edition approved June 10, Published August Originally published as D — Last previous edition D — A pinhole in the? The degree of coating continuity required is dictated by service conditions. Discontinuities in a coating are frequently very minute and not readily visible.

D5162 pdf astm

This practice provides a procedure for electrical detection of minute discontinuities in nonconductive coating systems. The allowable number of discontinuities should be determined prior to conducting this test since the acceptable quantity of discontinuities will vary depending on coating?

High voltage spark test equipment is generally used for determining the existences of discontinuities in coating? Consult the coating manufacturer for proper test equipment and inspection voltages.

Atmospheric conditions shall also be considered since the voltage required for the spark to gap a given distance in air varies with the conductivity of the air at the time the test is conducted. Suggested starting voltages are provided in Table 1. Solvents retained in an uncured coating? Its use on a lining previously exposed to an immersion condition has often resulted in damage to the lining and has produced erroneous detection of discontinuities due to permeation or moisture absorption of the lining.

Deposits may also be present on the surface causing telegraphing. The use of a high voltage tester on a previously exposed lining has to be carefully considered because of possible spark through which will damage an otherwise sound lining.

Although a low voltage tester can be used without damaging the lining, it may also produce erroneous results. It is used to locate discontinuities in a nonconductive coating applied to a conductive substrate. Operation includes the use of an open-cell sponge electrode wetted with a solution for exploring the coating surface, a ground connection, and an audible or visual indicator, or both, for signaling a point of coating discontinuity.

It consists of an electrical energy source. The spacer test described in 5. PA United States. West Conshohocken. D 5.

PO Box C Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone. Depending on the type of tester. Your comments are invited either 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. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised.

Testing of Repaired Area 6. Users of this standard are expressly advised that determination of the validity of any such patent rights. Your comments will receive careful consideration at a meeting of the responsible technical committee. Keywords 7.

ASTM D | High Voltage | Calibration

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Pdf astm d5162

Search inside document. D — 01 Standard Practice for Discontinuity Holiday Testing of Nonconductive Protective Coating on Metallic Substrates1 This standard is issued under the fixed designation D ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

A pinhole in the finish coat may not appear as a discontinuity. Yosia Ginting. Aneesh Jose. Emyu Claridad. Gnana Subramanian Arumugam.

ASTM D5162-15

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