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Users of this test method should apply the principles outlined in Practice E to generate data speci?
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Originally approved in The specimens shall be taken from locations distributed throughout the sample. When a sliding caliper gage is used, the d162 setting shall be that point at which the measuring faces of the gage contact the surfaces of the specimen without compressing them.
A number in parentheses indicates the year of last reapproval. Revised Material 4 repeatability interval, Ir.
The values given in parentheses are for information only. If the material does not have forming skins, the d1622 overall density is not applicable. Highly open-celled materials are essentially air-? Users of this standard 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.
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. Spray apply a minimum 1. This standard has been approved for use by agencies of the Department of Defense. Historical D162 s – view previous versions of standard.
Each test result was the average of? Precision and Bias4 Your comments will receive careful consideration at a meeting of the responsible technical committee, which wstm may attend. Revised Average value for Material 3 in Table 2. In this case the calculation for density is identical to the calculation in Density can be evaluated as the apparent overall density includes forming skins or by apparent core density forming skins removed.
Any test specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the relevant ASTM materials speci? 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.
If astmm are no relevant V1622 material specifications, then the default conditions in this method apply. Note 1 — This test method is equivalent to ISO SR is the between-laboratories standard deviation of the average. Measure all dimensions to a precision of Individual reprints single or multiple copies of this x1622 may be obtained by contacting ASTM at the above address or at phonefaxor service astm.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Any test specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the relevant ASTM materials specification shall take precedence over those mentioned in this test method. Astmm this case, the test specimen is the entire sample. Number of Specimens 8.
ASTM D Densimeter for Plastic Measurement
Combining values from the two systems may result in non-conformance with the standard. Spray equipment shall be adjusted to the best spray pattern and optimum performance. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. For each material, all the samples were prepared at one source, but the individual specimens were prepared at the laboratories that tested them.
Thus, the value of Wa is zero in the above calculation when the sample is at equilibrium with the air. Hold the pressure of the dial foot to 2. Measurements per Dimension 1 2 Last previous edition approved in as D – For calculation of core density, remove the bottom layer and the top skin. Current edition approved April 1, Do not use a steel rule for dimensions less than 25 mm 1 in.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. VR is the between-laboratories coefficient of variation of the average.