ASTM D823 PDF

A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard. It is theresponsibility 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 Documents2.

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Vudojora A mechanism shall be provided to stop the blade movement asttm at the end of the draw-down. The panel holder or the gun mount traverse speed shall be adjustable from 7.

The viscosity range for normal? It is particularly important that it be used in the evaluation of metallic coatings for appearance properties, such as gloss and color.

It is usually less reliable for producing uniform? Place the auxiliary bar in front of the pool of material see Fig. Summary of Practice 9. Preparation of Apparatus 6. Hold the spray gun tip to mm 10 to 12 in. It is applicable to the coating of smooth cardboard atm paper charts if some means adtm used to assure that these substrates are held? Typical machines are shown in Fig. If the coating thickness is too high, select an applicator blade with a smaller clearance and coat another panel.

Adjust the air pressure, material? Data are available3 on a variety of materials and? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Steel panels shall be prepared in accordance with the appropriate method in Practice D A suitable apparatus is shown in Fig. This machine can 1 move the panel holder, with test panel, at a uniform speed through the atomized spray produced by a? Current edition approved Nov. If the coating thickness is too high, coat another panel using a smaller blade clearance. Wind the cord once completely around the pulley of the correct size to give the desired rate of withdrawal. NOTE 13—The width of the spray pattern should be considerably wider than the width of the test panel to assure spray uniformity on the test panel.

Last previous edition D — 92a. Measure thickness on at least three different areas of the test panel to determine coating uniformity. It is more reliable for producing uniform? A machine equipped with a programmable system can index the spray d vertically for multiple passes and for multiple coats with selective time delay.

ASTM D — Zehntner GmbH Operate the spray gun so that it will begin spraying a few seconds d the test panel enters the spray pattern and continue spraying a few seconds after the test panel leaves the spray pattern.

Summary of Practice Gradually make the spray pattern move across the panel at a traverse speed of to mm 10 to 15 in. Summary of Practices 3. The machine shall be designed to move the panel holder at a c speed past the? D the temperature of the material in the container at the time of application. NOTE 4—The width of the spray pattern should be considerably wider than the width of the test panel to assure spray uniformity on the test panel.

The base plate shall hold paper charts? If the coating thickness is too high, coat another panel with fewer passes of the spray pattern or, if this is not feasible, reduce the material further with thinner. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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Vudojora A mechanism shall be provided to stop the blade movement asttm at the end of the draw-down. The panel holder or the gun mount traverse speed shall be adjustable from 7. The viscosity range for normal? It is particularly important that it be used in the evaluation of metallic coatings for appearance properties, such as gloss and color. It is usually less reliable for producing uniform? Place the auxiliary bar in front of the pool of material see Fig. Summary of Practice 9.

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ASTM D823 PDF

A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. The values given in parentheses are for informationonly. It is theresponsibility 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 Documents2.

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ASTM D823 – テストパネル上のペイント、ワニスおよび関連製品の均一な厚さのフィルムを製造するための標準プラクティス

Akinoran If the coating thickness is too high, coat another panel using a smaller blade clearance. NOTE 13—The width of the spray pattern should be considerably wider than the width of the test panel to assure spray uniformity on the test panel. NOTE 3—Suitable traverse speeds for automative coatings usually range from If the coating thickness is too high, coat another panel with fewer passes of the spray pattern or, if this is not feasible, reduce the material further with thinner. If the coating thickness is too high, select an applicator blade with a smaller clearance and coat another panel. Place the auxiliary bar in front of the pool of material see Fig. Adjust the air pressure, material?

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