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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Stretch Blown Testing Equipments. Release the weight so that it drops on the indenter. Once visible cracks have been identified, the test is repeated five times at that level, as well as five times above and below that level.
For interlaboratory comparisons, rankings of coatings for impact resistance should be reported. An impact test which is useful for testing paint and coating adhesion is ASTM D, the drop test performed on a universal impact tester see top photo.
The indentation can be either an intrusion or an extrusion. Ink and printability Testing Instruments. Components Material Testing Equipments.
Thickness Measurement Testing Instruments. Prepare a minimum of four coated panels for the material. Interlaboratory agreement is improved when ranking is used in place of numerical values.
ASTM D2794 – 93(2010)
NOTE 1—The coatings should be applied in accordance with Practices Dor as agreed upon between the producer and the user. Water Vapor Permeability Testing Instruments. Be sure the panel is?
Raise the weight up the tube to a height where it is expected that no failure will occur. Current edition approved June 1, Link to Active This link will always route to the current Active version of the standard. Precision and Bias Injection Molding Testing Equipments. Flexible Packaging 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.
Pulp and Sheet Making Testing Instruments.
Impact Resistance Tester For Paint: Originally approved in Plastic Rope Testing Equipments. Adhesive Label Testing Instruments. If you feel that your comments have f2794-93 received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Medical Product Testing Instruments. Conduct the test in the same environment or immediately on removal therefrom.
ASTM D() Standard Testing Instruments
Last previous edition approved in as D — 93 e1. 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. NOTE 3—The d279-493 sulfate solution will not perform properly on zinc-phosphate-treated metal unless the conversion coating cracks.
We also built a six-foot tall tester for custom testing. Graduations are marked in inch-pounds along the slot. Summary of Test Method 4.
The value where the results change from mainly passing to mainly failing is the impact failure end point. Films generally fail by cracking, which is made more visible by the use of a magni?
Universal Impact Testing – ASTM D2794
Rigid Plastic Testing Equipments. Food and Beverages Testing Equipments. Heat Sealing Testing Instruments.