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. The astm d412 tension test is one of the most common procedures used to test the tensile properties of rubber and thermoplastic materials. Astm d412 16 standard test methods for vulcanized rubber. Astm d412 tension testing for rubber and elastomers astm d412 covers two test methods.
Standard test methods for vulcanized rubber and thermoplastic elastomers. Tensile testing is perhaps the most common of the mechanical tests conducted on uhmwpe and is described in detail in astm d638. Astm d41206 standard test methods for vulcanized rubber and thermoplastic elastomerstension superseded see active link, below. Astm d638 is a common tensile test method for plastics. Those needing to test ebonite and hard plastics should refer to astm d638. A summary of changes section appears at the end of this standard. Astm d412 d 412 covers the tensile properties of thermoset rubbers and thermoplastic elastomers. An astm designation number identifies a unique version of an astm standard. By simply measuring the force required to pull a test specimen to its breaking point, several material properties can be determined. Astmd412 standard test methods for vulcanized rubber and. Astm international astm, originally known as the american society for testing and materials, is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. Astm d412 tensile strength properties of rubber and elastomers. Tensile tests measure the force required to break a plastic sample specimen and the extent to which the specimen stretches or elongates to that breaking point. Astm d412 tension testing for rubber and elastomers.
Though astm d412 measures many different tensile properties, the following are the most common. The most common specimen for astm d638 is a type i tensile bar. May 23, 2014 understanding changes to key plastics testing standards iso 527 1, 2. All bsi british standards available online in electronic and print formats. Active standard astm d412 developed by subcommittee. Astm d412 testing fixture tension testing of vulcanized rubber 1 astm d412 testing fixture this method covers the e. Astm d638 01 standard test method for tensile properties of. The definitive guide to astm d412 tensile testing of. The information outlined above is to be used as reference astm d297 standard test method for rubber products chemical analysis. This shows a tensile strength and elongation test appropriate for rubbers, elastomers, and silicones, and performed according to astm d412 on an admet universal testing machine.
D618 practice for conditioning plastics for testing. While it provides similar results to iso 5272, astm d638 is not considered technically equivalent due to differences in specimen size and test requirements. Referenced documents purchase separately the documents listed below are referenced within the subject standard but are not provided as part of the standard astm standards. Unearthing the same properties in plastics that are thicker than 1. Plastics tensile testing for astm d638 intertek laboratories provide astm d 638 plastics tensile testing data generation services including tensile strength, tensile modulus and elongation. However, it is preferable to use astm test methods d882 for specimens of thin sheeting including films less than 1. Standard test methods for tension testing of metallic. D651 test method for test for tensile strength of molded electrical insulating materials. Astm d412 is the most common standard for determining the tensile properties of. Standard test method for tensile properties of plastics1. Astm d638 14 standard test method for tensile properties of. A hard nylon back plate supports the material and allows it to be cut evenly and cleanly. Astm has a dominant role among standards developers in the usa, and is considered to be the worlds largest developer.
Standard test methods for vulcanized rubber and thermoplastic. D229 test methods for rigid sheet and plate materials. Astm d638 14 standard test method for tensile properties of plastics. Tensile set testing of a rubber or thermoplastic elastomer evaluates the residual elongation of a test sample after being stretched and allowed to relax in the specified manner. Astm d412 is conducted on a universal testing machine also called a tensile testing machine at a rate of 500 50 mmmin until the specimen fails.
Astm d638 vs astm d3039 testing for tensile properties intertek. These data are also useful for qualitative characterization and for research and. Apr 16, 2010 this shows a tensile strength and elongation test appropriate for rubbers, elastomers, and silicones, and performed according to astm d412 on an admet universal testing machine. Carbon black to find similar documents by classification.
Recently, plastics have started to be used as structural materials in transportation equipment, such as automobiles and aircraft, due to their strength and lightweight nature. Tensile set of rubber and thermoplastic elastomers astm d412. Tensile strength the maximum tensile stress applied in stretching a specimen to rupture. Method a is common and can be performed on a universal testing machine tensile testing machine. Oct 09, 2018 astm d88818 refers to plastics in the form of thin sheeting and films less than 1. Astm d638 14 standard test method for tensile properties. In this test, a dogbone specimen is machined or punched out, as shown in figure 24. Covered are tests for tensile stress, tensile strength, ultimate elongation and set. The information outlined above is to be used as a reference for astm d1415 standard test method for rubber propertyinternational hardness and iso 48 rubber vulcanized or thermoplastic determination of hardness. Standard test method for tensile properties of plastics. Standard test method for determining tensile properties of. Plastics tensile testing for astm d638 intertek laboratories provide astm d638 plastics tensile testing data generation services including tensile strength, tensile modulus and elongation. Astm d638 tensile properties of plastics test method summary tensile testing of plastics per astm d638 is a widely used and extremely important test method. Please refer to the appropriate standards agency for.
Understanding changes to key plastics testing standards. Understanding changes to key plastics testing standards iso 527 1, 2. Astm d638 01 standard test method for tensile properties. Iso 527 and astm d638 tensile tests on plastics with.
Purchase your copy of astm d638 14 as a pdf download or hard copy directly from the official bsi shop. Standard test methods for flexural properties of unreinforced and reinforced plastics and electrical insulating materials. May 10, 2012 tensile tests on plastics to iso 527 with makroxtens extensometer zugversuch an kunststoffen nach iso 527 mit langenanderungsaufnehmer makroxtens. How to perform an astm d638 plastic tensile strength test. Astm d412 covers the testing of tensile properties of thermoset rubbers and thermoplastic elastomers. If you are going to perform this test, you should read the. Intertek laboratories provide astm d638 plastics tensile testing data generation services including tensile strength, tensile modulus and elongation. Standard test methods for tension testing of metallic materials1. Astm d638b testing fixture assembly referenced documents astm standards d229 test methods for rigid sheet and plate materials used for electrical insulation d412 test methods for vulcanized rubber and thermoplastic elastomerstension. Method a is a common guideline for evaluating the tension properties of dumbbell samples of vulcanized thermoset rubbers method b covers procedures to evaluate the tension properties of flat ring samples of vulcanized thermoset rubbers astm d412 gives you. Astm d638 is one of the most common plastic strength specifications and covers the tensile properties of.
These methods are not applicable to ebonite and similar hard, low elongation materials. Standard practice for rubberpreparation of product pieces. Active standard astm d638 developed by subcommittee. Astm d412 06 standard test methods for vulcanized rubber and thermoplastic elastomerstension superseded see active link, below. D412 test methods for vulcanized rubber and thermoplastic elastomerstension. Jul 06, 2010 check out our latest page on astm d638 here.
This test method is designed to determine the tensile properties of plastic materials. The definitive guide to astm d412 tensile testing of elastomers. This elongation consists of both permanent and recoverable components thus the time for stretching and. These test methods allow for the measurement of such tensile. The specification describes two test methods, a and b. Tensile testing is performed in accordance with american society for testing and materials astm methods d882, d638, d412, d1708 and other custom test methods designed to. As leaders of plastics and composites testing, intertek experts are often asked when it is appropriate to perform tensile testing to astm d638 standard test. For annual book of astm standards volume information, refer to teh standards document summary page on the astm website.
Rubber and elastomer tensile strength test astm d412 youtube. Astm d638 resin materials plastics are found in a wide variety of items used on a daily basis. How to perform an astm d638 plastic tensile strength test admet. Standard test method for compressive properties of rigid. Astm d412 elastomer tensile strength testing admet. Please refer to the appropriate standards agency for full details and the most current revision. Tensile testing is performed in accordance with american society for testing and materials astm methods d882, d638, d412, d1708 and other custom test methods designed to meet your requirements and needs. If you are going to perform this test, you should read the entire specification from astm. Astm d638 is one of the most common plastic strength specifications and covers the tensile properties of unreinforced and reinforced plastics. Astm d88818 refers to plastics in the form of thin sheeting and films less than 1. And can be used for testing materials of any thickness up to 14 mm 0. Mechanical testing of plastic, rubber, elastomer, and. Astm d412 test method a refers to procedures used to test dumbbell and straight section specimens while atm d412 test method b refers to procedures used to test cut ring specimens. Please refer to astm international for full details and the most current revision.
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