Designation:D816-06(Reapproved2011) INTERNATIONAL StandardTestMethodsfor Rubber Cements1 This standard is issued under the fixed designation D816; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the U.S. Department of Defense. 1. Scope D3184 Practice for Rubber—Evaluation of NR (Natural Rubber) 1.1 These test methods cover tests to measure the properties 2.2 Other Document: of adhesives, commonly called rubber cements, that may be applied in plastic or fluid form and that are manufactured from SAE Handbook3 natural rubber, reclaimed rubber, synthetic elastomers, or 3. Summary of Test Methods combinations of these materials.All tests are not to be considered as applicable to a particular type of adhesive nor is 3.1 The tests described in these test methods may be every test included that may be applicable to a particular type. grouped into two classes, the first including those procedures in The tests do provide standard procedures for evaluating the which the adhesive is applied to specimens of materials to be more important properties of the usual adhesives ordinarily bonded together after which the quality of the bond is classed as rubber cements. evaluated, and the second including those procedures appli- 1.2 The values stated in SI units are to be regarded as the cable to the adhesive itself without consideration of the bonding properties. The classes are as follows: standard. The values given in parentheses are for information only. Class I: Section Adhesion strength 8 to 15 1.3 This standard does not purport to address all of the Bonding range 16 to 18 safetyconcerns,if any,associated withits use.It is the Softening point 19 to 21 Cold flow 22 to 24 responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- Class II: bility of regulatory limitations prior to use. Viscosity 25 Stability 26 to 27 Cold brittleness 28 to 29 2.Referenced Documents Density 30 to 31 2.1 ASTM Standards:2 Plastic deformation 32 to 33 D413 Test Methods for Rubber Property—Adhesion to Flex- 4. Significance and Use ible Substrate 4.1 These tests are used as a means of classifying D429 Test Methods for Rubber Property-—Adhesion to Rigid Substrates evaluating,and controlling cement compositions.Adhesion D573 Test Method for Rubber-Deterioration in an Air strength in tension, shear, and in a peeling mode are necessary where rubber materials are used in various engineering appli- Oven D1084 Test Methods for Viscosity of Adhesives cations where forces are encountered both normal to the D3182 Practice for Rubber—Materials, Equipment, and Pro- adhesion plane and parallel to the plane of the adhesive interface. cedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets 5. Materials for Bonded Specimens 5.1 The following materials shall be used as specified for 1 These methods are under the jurisdiction of ASTM Committee DI1 on Rubber the preparation of specimens bonded with the test cement for and are the direct responsibility of Subcommittee D11.25 on Rubber Adhesive tests of Class I and shall be reported with the result of the test: Systems. 5.1.1Aluminum Sheet, Cladded Material,gauge 1.6mm Current edition approved Nov. 1, 2011. Published January 2012. Originally approved in 1951. Last previous edition approved in 2006 as D816-06. DO1: (0.064 in.), 10.1520/D0816-06R11. 2 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [email protected]. For Annual Book of ASTM 3 Available from American Society of Mechanical Engineers, ASME Intema- Standards volume information, refer to the standard's Document Summary page on th