This standard is issued under the fixed designation D ; the number relevant ASTM material specification shall take precedence. GeoTesting Express is a provider of Geosynthetic Testing Services – ASTM D,Standard Test Method for Linear Dimensional Changes of Non-rigid. ASTM D Standard Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature.

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The distances between the reference d2104 are re-measured and recorded. Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. Table 1 of Classi?

Global Reach Intertek is the industry leader with over 42, people in 1, wstm in over countries. Last previous edition approved in as D – ASTM D – 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. Shorter reconditioning times may be used if it can be shown that equivalent results are obtained.

ASTM D 尺寸变化率_百度文库

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. This standard has been approved for use by agencies of the Department of Defense. Each specimen shall be marked to show the direction of asm or extrusion.


Inspection Validating the specifications, value and safety of your raw materials, products and assets. Need help or have a question? Dimensional Stability is a measurement of the linear dimensional change resulting from exposure to temperature. Through our network of over 43, people in 1, laboratories and offices in countries, Intertek provides quality and safety solutions to a wide range of industries around the world.

The sandwiched specimens are placed in an oven for a specified amount of time. Your comments will receive careful consideration at a meeting of the responsible c1204 committee, which you may attend.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Precision and Bias Testlopedia – The Plastics Testing Encyclopedia.

Percent linear change is equal to final length minus original length divided by original length multiplied by Current edition approved Nov. NOTE 1—This test method and ISO address the same matter, but differ in technical content and results cannot be directly compared between the two methods.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. A number in parentheses indicates the year of last reapproval. Sandwiches must not be stacked, as this may restrict movement of the plastic between the papers.

The test gives an indication of lot-to-lot uniformity as regards to the degree of internal strains introduced during processing. Certification Formally confirming that your products and services meet all trusted external and internal standards.


Formally confirming that your products and services meet all trusted external and internal standards. After d1240 from the oven, the specimens are reconditioned at room temperature for a minimum of one hour.

Active Risk Management

The midpoint of each edge shall be marked for use as a reference point when? Points a, b and x, y are reference marks at midpoint of test specimen edges. A negative value denotes shrinkage, and a c1204 value indicates expansion. The dimensions of the specimen are taken at reference marks. 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.

Fasten the papers together with paper clips. Validating the specifications, value and safety of your raw materials, products and assets. This standard is subject to asmt at any time by the responsible technical committee and must be reviewed every?

Dimensional Stability ASTM D1204

Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. November 1, 1 Revised Section 7 and 8.

Remove the papers and measure the distance between the opposite edges of ast specimens at the reference marks to the nearest 0. If there are no relevant ASTM material speci?