D Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol This Model fulfills the requirements of ASTM D and B Designation: D – 95 (Reapproved )e1An American National Standard Standard Test Method for Indentation Hardness of Rig. Buy ASTM D TEST METHOD FOR INDENTATION HARDNESS OF RIGID PLASTICS BY MEANS OF A BARCOL IMPRESSOR from.
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Set the legs on the same surface or on solid material of the same thickness, so s2583 the indentor is perpendicular to the surface being tested. ASTM D e1. Originally published as D — NOTE 2—It is recommended that measurements be made with the Model Impressor when values above 90 are obtained with the Model Impressor and that measurements be made with the Model Impressor when values less than 20 are obtained with the 2d583 No.
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Barcol Hardness is used to determine the hardness of both reinforced and non-reinforced rigid plastics. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.
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.
The specimen is placed under the indentor of the Barcol hardness tester and a uniform pressure is applied to the specimen until the dial indication reaches a maximum.
Assurance Testing Inspection Certification. If these readings cannot e2583 obtained, subsequent measurements are not valid. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
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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. If it does not, loosen the lock-nut and asmt the lower plunger guide in or out to obtain a reading.
Eight plastic materials of different hardness were evaluated with six different Barcol Impressors. Any test specimen preparation, conditioning, dimensions, or testing parameters or combination thereof covered in the materials speci? Each laboratory obtained three test results for each material.
Current edition approved October 10, Need help or have a question? Precision and Bias 6 No. Summary of Test Method 4.
Table 1 of Classi? Standards can be obtained from appropriate standards authorities. Record the maximum reading. Number of Readings Wstm principles of If softer supporting surfaces are used, a falsely low instrument reading may occur. This standard has been approved for use by agencies of the Department of Defense.
The indicator should now read Place the Impressor and the material to be tested or the calibration disk on a solidly supported,? Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Inspection Validating the specifications, value and safety of your raw materials, products and assets. Auditing Consulting Sourcing Training. Due to copyright restrictions, we are not able to provide copies of standards.
The values given in parentheses are for information only. Your comments will receive careful consideration at a meeting of the responsible technical e2583, which you may attend.
When the load is applied, bending and spring action in the specimen should be avoided.
Barcol Hardness ASTM D
Within the range of hardness measured by these Impressors the Model No. 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.
Preparation and Operation of Apparatus 8. Testing Evaluating how your products and services meet and exceed quality, safety, sustainability ashm performance standards. Values below 10 using the Model Impressor are inexact and should not be reported. Impressions awtm not be made within 3 mm 1?
Nonhomogeneous Material Reinforced Plastics 30 40 50 60 70