Astm d823 pdf

A suitable apparatus is asfm in Fig. 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. Originally published as D — 45 T. Wind the cord once completely around the pulley of the correct size to give the desired rate of withdrawal.

X, force-dry, or air-dry the coated panel, in accordance with its type, in a vertical position in a dust-free atmosphere in accordance with Speci? Begin by aiming the gun at right angles to the panel so that the spray pattern is just beyond the edge of the panel. Adjust the air pressure material?

V of Practice NOTE 3—Suitable traverse speeds for automative coatings usually range from Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. The base plate shall hold paper charts? This website uses cookies to improve your experience while you navigate through the website.

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It is mandatory to procure user consent prior to running these cookies on your website. PDF Service. Toggle navigation. March 30, 0 Comment. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Privacy Overview This website uses cookies to improve your experience while you navigate through the website. Originally published as D — 45 T. Start the motor-drive and coat the test panel.

NOTE 5—Rectangular containers F-style can with lid cut off are useful because the smaller exposed surfaces of the liquid asttm reduces volatile loss. Prior to withdrawal, the panel, attached to the cord, is lowered by hand into the container holding the material. Suitable apparatus, is shown in Fig. 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.

If the coating thickness is too high, coat another panel using a faster rate of panel withdraw. Measure thickness on at least three different areas of the test panel to determine coating uniformity. A suitable apparatus is shown in Fig. Summary of Practice Reduce the material to a viscosity suitable for spraying. It is applicable to the coating of atsm cardboard and paper charts if some means is used to assure that these dd are held?

The base plate shall hold paper charts? Adjust the air pressure material? It is usually less reliable for producing uniform? The machine shall be designed to move the panel holder at a uniform speed past the? Preparation of Apparatus 6. NOTE 11—Paper charts should be taped down to prevent curling of the edges that causes the wet?

Operate the spray gun so that it will begin spraying a few seconds before the test panel enters the spray pattern and continue spraying a few seconds after the test panel leaves the spray pattern.

Place the auxiliary bar in front of the pool of material see Fig. Hold the spray gun tip to mm 10 to 12 in. If the coating thickness is too high, coat another panel using a smaller blade clearance. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

Summary of Practices 3. Typical machines are shown in Fig. Preparation of Apparatus 6. Summary of Practice 9. Wind the cord once completely around the pulley of the correct size to give the desired rate of withdrawal. Use of a multiple hook will permit dipping several panels at one time.

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 Reduce the material to a viscosity suitable for spraying. If the coating thickness is too high, coat another panel using a faster rate of panel withdraw. It is more reliable for producing uniform?

NOTE 6—The test panels should not exceed mm 12 in.