ASTM D4329-05 PDF

The Test Protocol that was followed is an adaptation of ASTM D where 1E 1E Buy ASTM D PRACTICE FOR FLUORESCENT UV EXPOSURE OF PLASTICS from SAI Global. ASTM D Standard Practice for Fluorescent UV Exposure of Plastics. This practice covers specific procedures and test conditions that are applicable.

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Expose replicates of the test specimen and the control specimen so that statistically signicant performance differences can be determined NOTE 8—Fischer illustrates use of rank comparison between test and control materials in specications. Validating the specifications, value and safety of your raw materials, axtm and assets. All concerned parties must agree on the control material used.

D — 05 Standard Practice for Fluorescent UV Exposure of Plastics1 This standard is issued under the xed designation D ; the number immediately following the designation indicates the year of original adoption ast, in the case of revision, the year of last revision.

This practice also covers the preparation of test specimens, the test conditions best suited for plastics, and the evaluation of test results.

Accelerated Weathering (QUV) ASTM G154, ASTM D4329, ASTM D4587, ISO 4892

Parts may be accommodated depending on size. Proceed to Checkout Continue Shopping. Last previous edition approved in as D – As the voice of the U. Measurements visual or instrumental should be made within a standardized time period or as agreed upon between the interested parties.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

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ASTM D – Standard Practice for Fluorescent UV Exposure of Plastics

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.

Misleading results may be obtained by this method, since the masked portion of the specimen is still exposed to temperature and humidity cycles that in many cases will affect results.

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. Measure ambient temperature at a maximum distance of mm [6 in. Warning— Variation in results may be expected when operating conditions are varied within the accepted limits of this practice. 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.

Moisture is provided by forced condensation, and temperature is controlled by heaters.

ASTM D QUV | Burch

Ketola and Douglas Grossman, eds. However, performance comparisons under the controlled conditions of accelerated weathering can be compared to documented performance of materials and coatings that have experienced extended periods of end use exposure.

Please first log in with a verified email before subscribing to alerts. Auditing Consulting Sourcing Training. The acceleration factor is materialdependent and is only valid if it is based on aastm from a sufficient number of separate exterior and laboratoryaccelerated exposures so that results used to relate times to failure in each exposure can be analyzed using statistical methods.

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Assurance Enabling you to identify and mitigate the intrinsic risk in your operations, supply chains and business processes. Standards can be obtained from appropriate standard authorities. Unless supplied with a specic backing as an integral part of the test, specimens shall be mounted so that only the minimum specimen area required for support by the holder shall be covered.

Follow the purity requirements in Adtm G for water sprayed on specimen surfaces.

No direct correlation can be made between accelerated weathering duration ashm actual outdoor exposure duration. Current edition approved July 15, It is recommended that deionized water be used for water used to produce condensation. All specimens shall be exposed simultaneously in the same device. For measurements 8 Fischer, R.

Formally confirming that your products and services meet ashm trusted external and internal standards. Global Reach Intertek is the industry leader with over 42, people in 1, locations in over countries.

Precision and Bias It is the responsibility of the user of this standard to establish x4329-05 safety and health practices and determine the applicability of regulatory limitations prior to use.

The standard sample holders can hold one sample 3 x 12 inches 75 x mm or two samples 3 x 6 inches 75 x mm.