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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This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? If there are no material speci? For each material, all the samples were prepared at one source. Summary of Test Method 4. Need help or have a question? Inspection Validating the specifications, value and safety of your raw materials, products and assets. Users of this test method should apply the principles outlined in Practice E to generate data speci?
If softer supporting surfaces are used, a falsely low instrument reading may occur. Take care to avoid sliding or scraping while the indentor is in contact with the surface being tested.
The principles of Certification Formally confirming that your products and services meet all trusted external and internal standards. 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 Model No.
ASTM D – BARCOL HARDNESS
If you feel that your comments have not received a fair hearing you should make astj views known to the ASTM Committee on Standards, at the address shown below. Within the range of hardness measured by these Impressors the Model No.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
Impressions should not be made within 3 mm 1? Auditing Consulting Sourcing Training. A number in parentheses indicates the year of last reapproval. Set the legs on the same surface or on atm material of the same thickness, so that the indentor is perpendicular to the surface being tested. Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards.
Any test specimen preparation, conditioning, dimensions, or testing parameters or combination thereof covered in the materials speci?
Preparation and Operation of Apparatus 8. Send us a astmm Need help or have a question? If it does not, loosen the lock-nut and turn the lower plunger guide in or out to obtain a reading. ASTM D e1. This greater variation may be caused mainly by the difference in hardness between resin and? Each laboratory obtained three test results for each material. Table 1 of Classi?
Testing Evaluating how your products and services meet and exceed quality, safety, sustainability and performance standards. Data is expressed as Barcol numbers given by the instrument. Barcol Hardness is used to determine the hardness of both reinforced and non-reinforced rigid d2538.
Nonhomogeneous Material Reinforced Plastics 30 40 50 60 70 A superscript epsilon e indicates an editorial change since the last revision or reapproval. 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.
Standards can be obtained from appropriate standards authorities. The higher ast reading the harder the d2538. Number of Readings Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Assurance Testing Inspection Certification. Record the maximum reading.
Due to copyright restrictions, we are not able to provide copies of standards. NOTE 4—Curved surfaces may be more difficult to support. The following explanations of Ir and IR asym The depth of the penetration is converted into absolute Barcol numbers.
Formally confirming that your products and services meet all trusted external and internal standards. Validating the specifications, value and safety of your raw materials, products and assets.
Barcol Hardness ASTM D2583
Eight plastic materials of different hardness were evaluated with six different Barcol Impressors. If these readings cannot be obtained, subsequent measurements are not valid. Place the Impressor and the material to be tested or the calibration disk on a solidly supported,?