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Dojora If the coating thickness is too high, coat another panel ast, fewer passes d23 the spray pattern or, if this is not feasible, reduce the material further with thinner. Use of a multiple hook will permit dipping several panels at one time. As the auxiliary bar is pushed by the applicator, it should press the substrate?
NOTE 7—The operating conditions viscosity, percent of nonvolatile matter, and rate of withdrawal are speci? Connect the air line hose from the regulator to the air pressure gage which in turn is connected to the air inlet asfm the spray gun.
Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of awtm of such rights, are entirely their own responsibility. NOTE 11—Paper charts should be taped down to prevent curling of the edges that causes the wet? Adjust the air pressure, material? The panel holder or the gun mount traverse speed shall be adjustable from 7.
Place the auxiliary bar in front of the pool of material see Fig. 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 aetm after the test panel leaves the spray pattern.
It is more reliable for producing uniform? Summary of Practices 3. 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. This machine can 1 move the panel holder, with dd panel, at d23 uniform speed through the atomized spray axtm by a?
NOTE 6—The test panels should not exceed mm 12 in. Measure the temperature of the material in the container at the time of application. Prior to withdrawal, the panel, attached to the cord, is lowered by hand into the container holding the material. If the coating thickness is too high, select an applicator blade with a smaller clearance and coat another panel.
Hold the spray gun tip to mm 10 to 12 in. Preparation of Apparatus Measure thickness on at least three different areas of the test panel to determine coating uniformity. A machine equipped with a programmable system can index the spray gun vertically for multiple passes and atsm multiple coats with selective time delay.
A suitable apparatus is shown in Fig. NOTE 9—Rigid panels shall be cleaned in an approved manner. It is applicable to the coating of smooth cardboard and paper charts if some means is used to assure that these substrates are held? It is usually less reliable for producing uniform?
The blade holder shall be designed to accommodate common types of applicator blades and to accept weights for loading the applicator blade. Gradually make the spray pattern move across the panel at a traverse speed of to mm 10 to 15 in. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Reduce the material to a viscosity suitable for spraying.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Headquarters. Preparation of Apparatus 6. 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. Typical machines are shown in Fig. If the coating thickness d23 too high, coat another panel using a faster rate of panel withdraw. The values given in parentheses are for information only. NOTE 5—Rectangular containers F-style can with lid cut off are useful because the smaller exposed surfaces of the liquid coating reduces volatile loss.
Bake, 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? Wind the cord once completely around the pulley of the correct size to give the desired rate of withdrawal. If the coating thickness is too high, coat another panel using a smaller blade clearance.
Suitable apparatus, is shown in Fig. Last previous edition D — 92a. Standard ASTM D This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The machine shall be designed to move the panel holder at a uniform speed past the?
It is the responsibility of d82 user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This standard has been approved for use by agencies of the Department of Defense. Originally published as D — 45 T.
Common Core Standards
Given the focus on offshore process safety these days, the majority of end users are likely to say yes, even without the intervention of a verification body, hence the instruction to use ASME design code with API Spec 5L linepipe. A pipeline example is used 1f01 illustrate and compare the results. Our first pipeline code was issued in International Pipeline Conference, Volume 2: Some aspects that can be mentioned include, for instance, steel line grade improvements and manufacturing innovations of pipe products; more powerful lay vessels and development of new pipeline installation methods; determination of the mechanical behavior and the expected failure modes of concern for deep and long pipelines under combined loads; and the improved different design criteria like the DNV-OS-F 1 and API R 2 codes. Contact us Services and solutions for onshore and offshore pipelines Would you like to know more?
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