1、FORD LABORATORY TEST METHODBN 008-06Automotive Safety and Engineering Standards Office1992 07 02 Page 1 of 4SCRATCH TEST FOR PLASTISOL ACOUSTICAL COATINGApplicationThis procedure is defined to determine the resistance of ESB-M99G102-A,Plastisol Acoustical Coatings, to penetration or tearing.Equipmen
2、t RequiredScratch Test Fixture (Figure 1)750 g weightSource: Gustin Bacon Mfg. Co.Kansas City, MOConditioning and Test ConditionsAll test values indicated herein are based on material conditioned in acontrol led atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for notless than 24 h prior to
3、 testing and tested under the same conditions unlessotherwise specified.ProcedureTest is to be performed on an “as received“ sample with the underlay intact.Sample area s hall be a flat section 4 x 12 inches. The test fixture should bestored with marking wire removed in order to eliminate the poss i
4、bility of damageto it.1. Insert marking wire into testin g device and secure with set screw. Wire isto be A.W.G. 19 (.036 inch) bent with curvature of 1/8 inch radius. Wireis assembled into Part “A“.2. Place test fixture with marking wire down on surface to be tested. Gentlyplace 750 g of weight on
5、the side opposite the marking wire.3. Gently holding Part “A“ of the fixture, slowly draw the fixture over thecoating surface, once only, for a distance of 6 inches.4. Observe and record whether the sample tears or a scratch mark is developed.FORD LABORATORY TEST METHODBN 008-06Automotive Safety and
6、 Engineering Standards Office1992 07 02 Page 2 of 4Chemicals, ma terials, parts, and equipment referenced in this document must beused and handled properly. Each party is responsible for deter mining proper useand handling in its facilities.Materials & Fastener Quality Engineering Materials & Standa
7、rdsResearch & Engineering Centre Environmental & Safety EngineeringDunton DearbornFORD LABORATORY TEST METHODBN 008-06Automotive Safety and Engineering Standards Office1992 07 02 Page 3 of 4SCRATCH TEST FOR PLASTISOL ACOUSTICAL COATINGScratch Test FixtureFigure 1FORD LABORATORY TEST METHODBN 008-06Automotive Safety and Engineering Standards Office1992 07 02 Page 4 of 4SCRATCH TEST FOR PLASTISOL ACOUSTICAL COATING
