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.

Author: Faezil Fesida
Country: Bangladesh
Language: English (Spanish)
Genre: Science
Published (Last): 10 January 2016
Pages: 45
PDF File Size: 2.54 Mb
ePub File Size: 18.78 Mb
ISBN: 554-7-72921-267-3
Downloads: 27736
Price: Free* [*Free Regsitration Required]
Uploader: Dizilkree

Global Reach Intertek is the industry leader with over 42, people in 1, locations in over countries. Talc dusted paper is d11204 to form a sandwich around the specimen.

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 d104 obtained. If there are no relevant ASTM material speci?

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Standards can be obtained from appropriate standards authorities. Dimensional Stability is a measurement of the linear dimensional change resulting from exposure to temperature. Current edition approved Nov.

Any test specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the relevant ASTM material speci? This standard has been approved for use by agencies of the Department of Defense.

Active Risk Management

Send us a request Wilton UK: It is imperative that the specimens be free to change shape as strains are relieved during the period of test.

Remove the papers and measure the distance between the opposite edges of the specimens at the reference marks to the nearest 0. The dimensions of the specimen are taken aetm reference marks.


Need help or have a question?

ASTM D 尺寸变化率_百度文库

Originally approved in A number in parentheses indicates the year of last reapproval. The distances between the reference marks are re-measured and recorded. Send us a request Need help or have a question? Validating the specifications, value and safety of your raw v1204, products and assets.

Auditing Consulting Sourcing Training. If you feel that your comments have not received a fair hearing you should make your asmt known to the ASTM Committee on Standards, at the address shown below.

After removal from the oven, the specimens are reconditioned at room temperature for a minimum of one d12204. Testlopedia – The Plastics Testing Encyclopedia. The test gives an indication of lot-to-lot uniformity as regards to the degree of internal strains introduced during processing.

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. Each specimen shall be marked to show the direction of calendering or extrusion. It is the responsibility of the user of this standard to establish appropriate safety and d120 practices and determine the applicability of regulatory limitations prior to use.

Whether your business is local or global, we can ensure your zstm meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world.

Precision and Bias Points a, b and x, y are reference marks at midpoint of test specimen edges.

Dimensional Stability ASTM D1204

Assurance Testing Inspection Certification. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. ASTM D – Sandwiches must not be stacked, as this may restrict movement of the plastic between the papers. Inspection Validating the specifications, value and safety of your raw materials, products and assets. November 1, 1 Revised Section 7 and 8.


Fasten the papers together with paper clips.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Individual reprints single or s1204 copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Table 1 of Classi? The test is mostly used for sheeting or film made by extrusion or calendar processes.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

The sandwiched specimens are placed in an oven for a specified amount of time. Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. Last previous edition approved in as D – Formally confirming that your products and services meet all trusted external and internal standards. Percent linear change is equal to final length minus original length divided by original length multiplied by The test gives an indication of lot-to-lot uniformity with regards to internal stress introduced during processing.

A negative value denotes shrinkage, and a positive value indicates expansion.

Dimensional Stability ASTM D

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. NOTE 2—The paper should be well dusted, and the specimens should not be restricted either by the paper or the clips.

Testing Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. Certification Formally confirming that your products and services meet all trusted external and internal standards.

Subscribe US Now