D25 12 2017 standard specification for round timber piles see all versions. Din 53505, iso 868 and astm d 2240 ld0550 tqc shore hardness gauge type a for materials such as elastomers, vinyl, rubber, leather, pvc, siliconerubber, teflon, neopreen, etc. Durometer hardness is used to determine the hardness of elastomers, elasteomeric materials and other plastics. Last previous edition approved in 1998 as d 2270931998.
Astm d2240 052010 standard test method for rubber propertydurometer hardness. The most widely used hardness measuring instrument is called the durometer. Astm d2240 standard test method for rubber property. Standard test method for rubber propertydurometer hardness. The top countries of suppliers are china, thailand, and vietnam, from which the percentage of astm d2240 supply is 80%, 10%, and 6% respectively. Gh d 2240 exists between indentation hardness determined by this test method snd any fundamental property of the material tested. The indentation hardness is inversely related to the penetration and is dependent on the elastic modulus and viscoelastic behavior of the material. D49 practice for rubberstandard conditions for testing. Rugged metal construction along with a proven design offers years of troublefree use. Astm d 2000 defines durometer hardness and tensile strength with a threedigit number. Astm d 1259 by volume visual appearance astm c 881 astm c 879 astm d 5329 astm d 2240 astm d 638 astm d 638 astm d 570 astm d 2566 100%, min. Standard test method for rubber propertydurometer hardness1. Durometry is the measurement of material hardness, such as, plastics, metals, wood, and rubber. Standard test method for rubber propertyeffect of liquids1.
Standard test method for composite foam hardness durometer hardness name of standards organization. Durometer hardness is used to determine the relative hardness of. D785 test method for rockwell hardness of plastics and electrical insulating materials. Durometer hardness is used to determine the relative hardness of soft materials, usually plastic or rubber. Blue seal is a 100% rtv silicone sealant that is excellent for a wide range of industrial sealing and adhesive applications. Shore, apparatus for measuring the hardness of materials, issued 19300708. Astm d2240 15e1 standard test method for rubber property.
The rex h minidial durometer is both compact and easy to use. Astm d2240durometer hardness durometer hardness testing measures the hardness of rubber elastomers and plastic materials. D 297 test methods for rubber productschemical analysis2 d 1765 classi. In the astm d2240, duro meter can be used with various elastomer. Using rubber properties and a durometer hardness, the astm. The test methods employed vary greatly from a field applied test to a very controlled laboratory test. An astm designation number identifies a unique version of an astm standard. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. The test measures the penetration of a specified indentor into the material under specified conditions of force and time. Type i and type ii astm d178 switchboard matting dimex. Astm d 2000 american society for testing and materials. Astm d2220 17 standard specification for polyvinyl. 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.
As soon as the transaction is completed, your astm standards subscription will be ready for access. The gauge gives readings of hardness in durometer points on a scale of 0100, with 100 being the hardest reading. Apr 19, 20 shore a vs shore d hardness 165 wambold road, harleysville, pa 19438 18005236688 2157236051 fax 2157992518 shore hardness astm d2240 shore hardness is a relative measure of exactly what the term implies hardness. The recycled synthetic rubber compound conforms to astm d2000 2aa805 with a durometer hardness of 805 shore a when tested in conformance with astm d2240. D618 practice for conditioning plastics for testing. For specification purposes itis recommended that astm test method d 785 be used for matecals other than those described a, 5. In our example of 714, the 7 denotes a material with a durometer hardness of 70 5 a. The rex gauge model 4000 digital durometer is truly stateoftheart, and is the ideal instrument for lab use. Dimensionless durometry and astm d2240 request pdf. The depth is proportional to the material hardness, its ductility and the shape of the indentation head. Featuring an 18mm footer that offers high stability and conforms to all international standards, the ad100 is the ideal durometer for a wide range of shore hardness measuring applications. D 2240 test method for rubber propertydurometer hardness. Simply press the durometer in to the plastic sample to measure hardness. D 471 06 standard test method for rubber propertyeffect of liquids1.
Standard product of rubber in automotive astm d2000. The type a durometer as specified by astm d2240 is the gauge used by tire manufacturers to measure hardness of tire rubber. Standard test methods for dc resistance or conductance of. Astm d2240 is a test method designed to test the depth of an indentation in the material being tested. D785 test method for rockwell hardness of plastics and electrical insulating. The rx1600d shore d durometer for plastic hardness measurement, astm d2240 is designed to measure plastic hardness in shore d units according to astm d2240 specifications. Astm d 2000 is actually very easy to understand, once the fundamentals are broken down. Shore hardness is a relative measure of exactly what the term implies hardness. Access astm standards from any browser on your computer, tablet or smart phone. D16 19 standard terminology for paint, related coatings, materials, and applications see all versions. Astm international by sections and volumes section 9 rubber volume 09. Astm d224015e1 standard test method for rubber property.
The combination of the document number in our example d 2000, the revision year, the prefix letter m, the grade number, type and class designation, the hardness and tensile strength, and the suffix requirements, if any, constitute what is known as a line. Its small dial face and included leather clipon carrying case make it easy for an inspector to carry the gauge for work around the shop, or out in the field. Standard test method for tensile properties of plastics1. The 14 indicates that the tensile strength must be at least 14 mpa, or 2032 psi. Active standard astm d2240 developed by subcommittee.
The indentation is created by a given force on a standardized indentation head. The type a durometer as specified by astm d 2240 is the gauge used by tire manufacturers to measure hardness of tire rubber. Standard practice for calculating viscosity index from. D785 test method for rockwell hardness of plastics and. This test method covers twelve types of rubber hardness measurement devices known as durometers. Astm d2240 test material testing micom laboratories. Shore a vs shore d hardness 165 wambold road, harleysville, pa 19438 18005236688 2157236051 fax 2157992518 shore hardness astm d2240 shore hardness is a relative measure of exactly what the term implies hardness. Find the most uptodate version of astm d2240 at engineering360. It is a nonslump, pastelike, onecomponent rtv that cures at room temperature by reacting with moisture in the air to produce a durable, flexible silicone rubber. Last previous edition approved in 2002 as d 2240 02b. Rx1600d shore d durometer for plastic hardness measurement. A wide variety of astm d2240 options are available to you, there are 100 suppliers who sells astm d2240 on, mainly located in asia. Astm d2240 standard test method for rubber propertydurometer hardness scope. Astm d222017, standard specification for polyvinyl chloride insulation for wire and cable, 75c operation, astm international, west conshohocken, pa, 2017.
Standard test method for rubber propertyabrasion resistance. Dimex rubber control joints are available in the following profile options. D20 03 2014 standard test method for distillation of road tars see all versions. The procedure for determining indentation hardness of substances classified as thermoplastic elastomers, vulcanized thermoset rubber, elastomeric materials, cellular materials, gellike materials, and some plastics is also. It measures hardness values in pointsthat range from 0 to 100. The h durometer holds the maximum reading until reset by pressing the button at the top of the gauge.
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