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This test method provides a means to determine the amount of hexane-soluble astn molecular weight material present in polyolefins. The methods presented apply to post-consumer plastics.
Standard Test Method for Measurement of Hexane Extractable Content of Polyolefins
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The following explanations of r and R This section may also include descriptions of the changes or reasons for the changes, or both.
Note 1 — There is no known ISO equivalent to this standard. The two test results should be judged not equivalent asfm they differ by more than the R value for that material. Add to Alert PDF. 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.
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If the temperature exceeds these limits, asttm test must be discontinued and restarted. Your comments are invited either for revision of this standard or qstm additional standards and should be addressed to ASTM International Headquarters. Note 1—There is no known ISO equivalent to this standard. NOTE 23—The level of water in the bath must be kept at awtm 2 cm above the level of the solvent in the kettle to ensure the temperature equilibrium. Current edition approved June 10, NOTE 34—Care must be exercised when cutting the samples to avoid ragged edges on the specimen.
This edition includes revisions to Section 10, Calculation.
ASTM D5227 – 13
Each test result d52227 an individual determination. Last previous edition D — It is applicable to resins containing greater than 0. Precision and Bias 12 A number in parentheses indicates the year of last reapproval. 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.
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.
ASTM D – 13 – Standard Test Method for Measurement of Hexane Extractable Content of Polyolefins
This standard is also available to be included in Standards Subscriptions. Extract for 2 h. Please first verify your email before subscribing to alerts. Although no specific methods for identification or characterization of foam products are included, foam products are not excluded from this guide. Work Item s – proposed revisions of this standard. Each laboratory obtained two test results for each material tested each day for three days.
Units used in 21 CFR The materials were supplied by one laboratory. Techniques to separate and identify incompatible plastics, moisture, chemicals, or original product residues, and solid contaminants such as metals, paper, glass, and wood are essential to the processing of recycled plastic materials. Proceed to Checkout Continue Shopping. In all cases only the current version of the standard as published by ASTM is to be considered the official document.
The principles of Subscription pricing asrm determined by: This test method is based upon the presumption that the weight of the residue extract present in the solvent is equal to the amount extracted from the film sample and could therefore be quantified by measuring the weight loss of the extracted film, eliminating the complex and time-consuming evaporation process described in 21 CFR Units used in 21 CFR This standard is not included in any packages.
Position the kettle so that the center bottle of the c5227 is sitting on a submersible stirrer.
ASTM D – pdf全文-调研报告-在线文档
Users of this standard are expressly advised that determination of the validity of any such patent rights, and the d522 of infringement of such rights, are entirely their own responsibility. Recycled plastic materials may contain incompatible plastic or other undesirable contaminants that could affect the processing or quality, or both, of the plastic prepared for reuse.
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