Test method rubber flooring typical value durometer, shore a, points of hardness. The term is normally applied to soft materials such as elastomers. Compression set testing measures the ability of rubber to return to its original. The compression set astm d395 of a material is the permanent deformation remaining after removal of a force that was applied to it. It provides for multiple handling and shipment by any mode, and storage periods of a minimum of one year in enclosed facilities without degradation or damage to the product within the container. Standard test methods for dc resistance or conductance of. Astm standard classifications ena advanced rubber technologies. Scratch samples to astm f428 d727 davidson optronics model d727 scratch samples meet astm scratch test standard glass adjunct f428. When a pendulum hammer impacts a rubber specimen from a certain distance or angle, the degree or distance that the pendulum does not return is an indication of the energy lost during the deformation. This test methods is useful for the test of rubber that should be. The specification describes two test methods, a and b. Download pdf astm d395 testing fixture this test methods is useful for the test of rubber that should be used in applications in which the rubber will be subjected to compressive stresses in air or liquid media. Astm d395 describes two types of compression set tests. D 395 03 standard test methods for rubber property compression.
The last approved version of this historical standard is referenced on 1. Standard test methods for deep foundations under static. Standard test methods for vulcanized rubber and thermoplastic. For example in machinery mountings, vibration dampers, and seals. Astm d395 98 standard test methods for rubber property. Astm d395118 standard practice for commercial packaging. Standard practice for commercial packaging provides guidelines to help keep consumers from considering the packaging. Compression set under constant deflection astm d395 b. Astm d39518 standard test methods for rubber propertycompression set. Astm d395 testing fixture rubber compression set 4 astm d395 testing fixture application additional information. Compression set testing is used to determine the ability of elastomeric materials to maintain elastic properties after prolonged compressive stress. Astm d395 compression set compression set testing determines the ability of an elastomeric material to maintain its elastic properties after exposure to prolonged compressive stress. Ductile iron what ductile iron is ductile iron is a family of cast graphitic irons which possess high strength, ductility and resistance to shock. Annealed cast ductile iron can be bent, twisted or deformed without fracturing.
Test method typical value durometer, shore a, points of. Testresources manufactures and supplies universal test machines, tensile testers, dynamic testing machines, and much more. D 395 03 standard test methods for rubber propertycompression. Astm d395 18 standard test methods for rubber propertycompression set. Standard test method for compressive properties of rigid. This sample set is also compliant to the now obsolete astm f548 specification. Standard test method for rubber propertyeffect of liquids1. Astm d395 testing fixture rubber compression set 1 astm d395 testing fixture this test methods is useful for the test of rubber that should be used in applications in which the rubber will be subjected to compressive stresses in air or liquid media. The astm d6601 mathematically same process with astm d6204. This document is available in either paper or pdf format. Astm d395 98 standard test methods for rubber propertycompression set. The procedure requires circular rubber disks to be used according to the official astm d395 specification. Astm international by sections and volumes section 9 rubber volume 09.
Compression set under constant deflection astm d395. Standard test method for oxidativeinduction time of. Astm d39598 standard test methods for rubber propertycompression set. The rubber samples are put into the fixture and spacers are used to compress to the appropriate size. Astm d624 is a testing standard for measuring the tear strength of thermoset rubbers, thermoplastic elastomers, and silicones. Method astm iso a astm iso a astm iso a astm iso a % compression set 32. Feb 15, 2016 a quick demonstration on how to use the astm d395 b fixture. This standard describes multiple different types of sample shapes type a, b, c, t, and cp that can be tested in a standard universal testing machine. Note 1it should be recognized that an equal time and temperature, if used for both the slab and molded specimen, will not produce an. D49 practice for rubberstandard conditions for testing. Astm d412 rubber tensile testing is the most common procedure for testing elastomers.
Download pdf astm d395 testing fixture this test methods is useful for the test of rubber that should be used in applications in which the rubber will be subjected. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. Method a is common and can be performed on a universal testing machine tensile testing machine. A small, reduced section specimen is pulled apart at a constant rate of speed. The information outlined above is to be used as reference for astm d471 standard test method for rubber property effect of liquids.
Astm d39518 covers the standard test methods for rubber propertycompression set. Paving materials and is the direct responsibility of subcommittee d04. The test measures the somewhat permanent deformation of the specimen after it has been exposed to compressive stress for a set time period. Standard test methods for deep foundations under static axial. Astm d39518 covers the standard test methods for rubber property compression set. Astm d412 d 412 covers the tensile properties of thermoset rubbers and thermoplastic elastomers. Standard test method for rubber propertydurometer hardness1. Please refer to astm international for full details and the most current revision. Astm d395 compression test astm d395 defines two different methods a and b. A number in parentheses indicates the year of last reapproval. Astm d2000 elastomer and rubber material selection.
Astm standard d 395 03 2003, standard test methods rubber property compression set, american society for testing and materials, west conshohocken, pennsylvania. Test method a uses a specially designed fixture which is referenced in our pdf. Astm d412 tensile strength properties of rubber and elastomers. Limits of swelling for each class are shown in table 2. Astm d3951 18 standard practice for commercial packaging. Flexible barrier packaging to find similar documents by classification. Astm d395118 creates guidelines for packaging supplies and equipment, exclusive of ammunition, explosives, or hazardous material. The information outlined above is to be used as reference astm d297 standard test method for rubber products chemical analysis. Its strength, toughness and ductility duplicate many grades of steel and far exceed those of standard gray irons.
Compression set astm d395 compression set is the permanent deformation remaining when a force applied to a waterstop specimen for a period of time is removed. A calibrated spring is used to apply constant force to the sample over the designated time period. Standard test methods for measuring adhesion by tape test1. Compression set device for tests under constant deflection the device complies with iso 815, astm d 395 method b, din 53 517 standards. Tested under astm d395, compression set is expressed as a percentile that relates to the percentage of deformation compared to the waterstops original thickness. D3767 practice for rubbermeasurement of dimensions. Standard product of rubber in automotive astm d2000. Standard test methods for rubber propertycompression set. Superseded see active link, below download standard pdf more info. Astmd3951 standard practice for commercial packaging. If you are going to perform this test, you should read the. Astm d395 rubber compression set universalgripcompany. Dc resistance or conductance of insulating materials1 this standard is issued under the. D3182 practice for rubbermaterials, equipment, and procedures for mixing standard compounds and preparing standard vulcanized sheets.298 777 1392 862 853 1513 1255 988 460 738 723 182 268 135 1014 481 1014 651 227 519 185 1012 754 634 480 907 1134 297 332 1099 1313