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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Graduations are marked in inch-pounds along the slot. Density and Specific Gravity Testing Instruments.
Universal Impact Testing – ASTM D2794
Historical Version s – view previous versions of standard. Prepare a minimum of four coated panels for the material. 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.
For tests on coatings for crack formation; breaking off; adhesion and elasticity. Select from list below: Release the weight so that it drops on the indenter. Thickness Measurement Testing Instruments. Composite Films Testing Instruments.
Moisten the probe sponge with tap water and slowly draw the probe over the impact area. Summary of Test Method 4. Other gage steel panels may be used if agreed upon between the producer and wstm user.
ASTM D2794 – 93(2010)
NOTE 3—The copper sulfate solution will not perform properly on zinc-phosphate-treated metal unless the conversion coating cracks. Opaque Glasses Testing Instruments. Air Permeability Testing Instruments. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
The value where the results change from mainly passing to mainly failing is the impact failure end point. Plastic D279493 Testing Equipments. Electronics and Electrical Testing Zstm.
Plastic Barrel Testing Equipments. The base is constructed so that a thin? Interlaboratory agreement is improved when ranking is used in place of numerical values.
Footwear Industry Testing Equipments. Films generally fail by cracking see bottom photowhich is made more visible by the use of a magnifier, by the application of a copper sulfate CuSO4 solution on steel, by the use of a pin hole detector, or by a tape-pull test to determine the amount of coating removed. Raise the weight up the tube to a height where it is awtm that no failure will occur. Impact Resistance Tester For Paint: Filling Line Testing Equipments.
Precision and Bias 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. Food and Beverages Testing Equipments. Touchstone Research Laboratory, Ltd. Flexible Packaging Testing Equipments.
ASTM D() Standard Testing Instruments
Once visible cracks are observed, repeat the test? Historical Version s – view previous d2794-933 of standard Translated Version s: 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.
For interlaboratory comparisons, rankings of coatings for impact resistance should be reported. Be sure the panel is?