ASTM D ). 2. SIGNIFICANCE. This method accelerates natural aging of . ASTM D SUMMARY OF CHANGES. No changes from the 14th edition. Designation: D – 06 Standard Practice for Accelerated Aging of Pressure- Sensitive Tapes1 This standard is issued under the?xed. A summary of ASTM standards relating to pressure sensitive tape is attached. D (), includes the year of the last revision () and the year of.

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Since it is seen as a change in the apparent variability of the physical property test results, we can relate it to the expected precision of the test by making the following statement: It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations aatm to use. Aging reduces this inherent variability between specimens for some types of tape and some tests.

The vessel must meet the following requirements: It is applicable to tape e3611 roll form when the user asm the precautions detailed within the procedure. There is no present experience to relate this accelerated exposure to responses of tape in applications where the tape is under a use stress.

Summary of Practice 4. Originally approved in Reagents for Humidity Vessel in Oven procedure 7. Current edition approved Oct.

This is like the variability in any test method that we commonly term its precision. For instance, when repeating this conditioning one might not set the temperature exactly the same or the atmospheric pressure might vary or the purity of aetm salt might differ from different vendors.

  GB 50058 PDF

This practice accelerates the natural aging of pressure-sensitive tapes so that the response to the usual physical property tests changes to the same extent as with an exposure to approximately two years of natural aging when compared with the response to tests before aging. While this practice was developed using packaging type tapes, its use on other types of tape with similar construction is encouraged. NOTE 1—The environment for this practice cannot occur unless the c3611 used as the environment container is vented so that pressure differences between the inside and the outside of the vessel asttm be balanced.

The environment in the vessel is dependent on careful observation of the requirements of loading in relationship to vessel volume and liquid surface area in accordance with Section 7. It is superimposed on the variability inherent in performance of the subsequent physical property test c3611 which this conditioning was preparatory.

ASTM D 压敏胶带的加速老化试验_百度文库

Natural aging in this context means a continuous period of aging of tape in a closed fibreboard container in darkness in the variable climate of either the warm moist south, the warm dry southwest or the moderate midcontinent, USA. Unless otherwise indicated, it is intended that all reagents shall conform to the ast Immediately remove the sample rolls from the qstm. Therefore this conditioning does not always cause an increase in dispersion.

This may require 24 or 48 h for some materials.

ASTM D3611 – 06(2011)

We do not expect this superimposed added variability effect to be great. Link to Active This link will always route to the current Active version of the standard. This accelerated exposure usually produces an exaggerated change in appearance which would be seen under natural conditions only in abnormal product. 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.


An abnormal product lot asym cause differences in testing response that throw off the expected time patterns. Include no more sample rolls than will displace dd3611 fourth of the air volume in the vessel. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

Include no more sample rolls than will displace one fourth of the air volume in the chamber Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. It is not intended for use on electrical grade tapes see Test Methods D While this practice was developed using packaging type tapes, its use on other types of tape with similar construction is encouraged.

It is not intended for use on electrical grade tapes see Test Methods D Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. The practice does not provide for a conclusion within itself, but is for use in conjunction with appearance or physical property tests to follow d311 accelerated exposure.