ASTM D2794-93 PDF

Designation: D – 93 (Reapproved ) Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation. Buy ASTM D() Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact) from SAI Global. Purchase your copy of ASTM D – 93() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.

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Air Permeability Testing Instruments. Plastic Bottles Testing Instruments. Impact Strength Testing Instruments. Last previous edition approved in as D — 93 e1. Link to Active This link will always route to the current Active version of the standard.

ASTM_D(Impact)_百度文库

Raise the weight up the tube to a height where it is expected that no failure will occur. Current edition approved June 1, Films generally fail by cracking, which is made more visible by the use of a magni? Medical Product Testing Instruments. D2749-93 Impact Testing — ASTM D Touchstone offers various kinds of impact testing including Charpy and Izod impact d27994-93 and micro-scale impact tests performed inside a scanning electron microscope.

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. Adhesive Label Testing Instruments.

Historical Version s – view previous versions of standard Translated Version s: Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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Universal Impact Testing – ASTM D2794

We also built a six-foot tall tester for custom testing. Impact Resistance Tester For Paint: A number in parentheses indicates the year of last reapproval.

Internal Bond Testing Instruments. Prepare a minimum of four coated panels for the material. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. 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. ASTM D provides a procedure for rapidly deforming by impact a coating film and its substrate and for evaluating the effect of such a deformation.

By gradually increasing the distance the weight drops, generally 1 inch 25 mm at a time, the point at which failure usually occurs can be determined. If no cracks are evident, repeat the procedure at a greater height, increasing 1 in.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Filling Line Testing Equipments. In its use over many years, this test method for impact resistance has been found to be useful in predicting the performance of organic coatings for their ability to resist cracking caused by impacts. Of course, these confirmation tests are conducted in a random order so successive tests are not conducted at the same height or on the same panel. By gradually increasing the distance the weight drops, the point at which failure usually occurs can be determined.

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A slot is cut lengthwise on one side of the tube to act as a guide for a cylindrical weight that? The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. The indentation can be either an intrusion or an extrusion.

Conduct the test in the same environment or immediately on removal therefrom. Composites Material Testing Equipments. 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. After the coatings have cured, a standard weight is dropped a distance to strike an indenter that deforms the coating and the substrate.

Film and Foil Testing Instruments. The value where the results change from mainly passing to mainly failing is the impact failure end point.

Pipes Industry Testing Equipments. NOTE 3—The copper sulfate solution will not perform properly on zinc-phosphate-treated metal unless the conversion coating cracks. Injection Molding Testing Equipments.

Interlaboratory agreement is improved when ranking is used in place of numerical values. Ink and printability Testing Instruments.

Touchstone offers various kinds of impact testing including Charpy and Izod impact testing and c2794-93 impact tests performed inside a scanning electron microscope. Food and Beverages Testing Equipments. Once visible cracks are observed, repeat the test? Marble Floor Tiles Testing Instruments.