ASTM D1622 PDF

GeoTesting Express is a provider of Geosynthetic Testing Services – ASTM D,Standard Test Method for Apparent Density of Rigid Cellular Plastics. View Abstract. Product Details. Detail Summary. View all details. Superseded By: ASTM D/DM. EN. Format. Details. Price (USD). PDF. ASTM D – Designation: D – 08 Standard Test Method for Apparent Density of Rigid.

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Density can be evaluated as the apparent overall density includes forming skins or by apparent core density forming skins removed. Precision and Bias4 Spray equipment shall be adjusted to the best spray pattern and optimum performance. For each material, all the samples were prepared at one source, but the individual specimens were prepared at the laboratories that tested them.

Density can be evaluated as the apparent overall density includes forming skins or by apparent core density forming skins removed. Last previous edition approved in as D – Note 1 — This test method is equivalent to ISO However, freshly produced closed-cell materials are essentially air-void and will exhibit maximum buoyant effects of air.

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The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of d11622 other. Number of Specimens 8. Combining values from the two systems may result in non-conformance with the standard.

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NOTE 3—The air buoyancy effect will vary with time and depends on the open-cell content of the foam. When a sliding caliper gage is used, the proper setting shall astk that point at which the measuring faces of the gage contact the surfaces of the specimen without compressing them.

Standard Test Method for Apparent Density of Rigid Cellular Plastics

Thus, the value of Wa is zero in the above calculation when the sample is at equilibrium with the air. Revised Material 4 repeatability interval, Ir. Revised Average value for Material 3 in Table 1. Measure all dimensions to a precision of There are no recognized standards on which to base an estimate of bias for this test method.

ASTM D – 08 Standard Test Method for Apparent Density of Rigid Cellular Plastics

April 1, 1 Added new 1. A number in parentheses indicates the year of last reapproval. 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. For calculation of core density, remove the bottom layer and the top skin.

Highly open-celled materials are essentially air-? Hold the pressure of the dial foot to 2. Link to Active This link will always route to the current Active version of the standard.

VR is the between-laboratories coefficient of variation of the average. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

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ASTM D / DM – 14 Standard Test Method for Apparent Density of Rigid Cellular Plastics

Historical Version s – view previous versions of standard. In this case the calculation for density is identical to the calculation in Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The specimens shall be taken from locations distributed throughout the sample. Measurements per Dimension 1 2 Do not use a steel rule for dimensions less than 25 mm 1 in. If there are no relevant ASTM material specifications, then the default conditions in this method apply.

This standard has been approved for use by agencies of the Department of Defense. 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.

Spray apply a minimum 1.