Available from the american petroleum institute api, 1220 l st. Melt flow rates of thermoplastics by extrusion plastometer1 this standard is issued under the. Melt flow index, melt flow rate, astm d1238, iso 13. Norma d3364 opisuje metody badania wskaznika plyniecia mfr dla pvc. Standard test method for melt flow rates of thermoplastics. An astm designation number identifies a unique version of an astm standard. Standard test methods for flexural properties of unreinforced. These factors will change with additives and processing, so it is more accurate to measure the actual melt density of the specific resin being tested. Astm d1238, table 4 lists generic meltdensity factors for virgin pp and pe. The essential elements of an extrusion plastometer, together with the accuracy requirements and test methodology, are specified in national and international standards.
However, these methods are very sensitive to testing error. Manufacturers consider these standards technically equivalent, as both detail similar standards for using an extrusion plastometer, which is commonly known as a melt indexer. Both standards present tests that measure one point on the viscosity curve under controlled. Standard test method for determination of the composition of. Melt flow rates of thermoplastics by extrusion plastometer1. Last previous edition approved in 2001 as d 1238 01e1. Geosynthetic institute gri 475 kedron avenue gei gii folsom. Standard test method for melt flow rates of thermoplastics by extrusion plastometer. Standard test method for tensile properties of plastics1 this standard is issued under the. Astm international, formerly known as the american society for testing and materials astm, is a globally recognized leader in the development and delivery of international voluntary consensus standards. Standard test method for melt flow rates of thermoplastics by. Melt flow rate measures the rate of extrusion of thermoplastics through an orifice at a prescribed temperature and load.
Astm d1238 standard test method for melt flow rates of. Standard test methods for vulcanized rubber and thermoplastic. Standard test method for melt flow rates of thermoplastics by extrusion plastometer view abstract product details document history astm d1238 complete document 2010 edition, february 1, 10. Standard test method for tensile properties of plastics1. D1603, standard test method of carbon black content in olefin plastics. Standard test methods for measuring adhesion by tape test1 this standard is issued under the. Last previous edition approved in 2004 as d1238 04c. Astm d33642004, test method for flow rates for poly vinyl chloride with molecular structural implications. D3895, standard test method for oxidative induction time of polyolefins by thermal analysis.
Ihs markit is your source for astm standards and publications. Plastics determination of the melt massflow rate mfr and melt volumeflow rate mvr of thermoplastics part 1. Astm d1238 standard test method for melt flow rates of thermoplastics by extrusion plastometer astm d1239 standard test method for resistance of plastic films to extraction by chemicals astm d1242 standard test methods for resistance of plastic materials to abrasion withdrawn 2004. Flexural properties of unreinforced and reinforced plastics and electrical insulating materials1 this standard is issued under the. The standard tests for these test methods require specimens made with a milled notch see note 3. Pdf astm d638 tensile properties of plastics judeson alex. Data from this test appears to reproduce reality more closely than astm d 2561 or astm d 1693. The weight per unit volume of a material, including voids inherent in the materials as tested. General guidance is given in practice g 151 and iso 48921. Active standard astm d1238 developed by subcommittee.
Astm d1238 meltflow rates of thermoplastics by extrusion. Astm d1238 standard test method for melt flow rates. Iso 13 melt massflow rate and melt volumeflow rate. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. It provides a means of measuring flow of a melted material which can be used to differentiate grades as with polyethylene, or. Standard test method for determination of the composition. This test method covers the determination of the rate of extrusion of molten thermoplastic resins using an extrusion plastometer. Standard test method for density, relative density.
Standard test methods for measuring adhesion by tape test1. The standards involved are iso 13, jis k 7210, astm d1238 as a general method and astm d3364 for tests on pvc, plus stipulations contained in specification standards. Details of the software products used to create this pdf file can be found in the general info relative to the file. Iso 13 and astm d1238 have more similarities than differences. Today, some 12,000 astm standards are used around the world to improve product quality, enhance safety. Information about shipping policies for other countries can be found here. Intertek provides deflection temperature under load dtul or hdt astm d648, iso 75 data for polymer datasheets and material specifications. Heat deflection temperature is defined as the temperature at which a standard test bar deflects a specified distance under a load. A number in parentheses indicates the year of last reapproval. Plastic specification sheets carpet america recovery effort. Every care has been taken to ensure that the file is suitable for use by iso member bodies. Normally, the test conditions for measurement of melt.
Norma iso 13 i astmd1238 rolbatch dr laabs magdalena. Today, some,000 astm standards are used around the world to improve product quality, enhance safety, facilitate market access and trade. Astm d 1895 bulk apparent density the real question is how much space does this stuff take up. Astm d1238 04 standard test method for melt flow rates. By simply measuring the force required to pull a test specimen to its breaking point, several material properties can be determined. Last previous edition approved in 2010 as d1238 10. Determination of melt mass flow rate mfr and melt volume flow rate mvr iso 131, 2 and astm d1238 extrusion plastometers provide standard values for the melt index mfr and volume index mvr of filled and unfilled thermoplastics to iso 131 and 2, astm d1238. D1238, standard test method for flow rates of thermoplastics by extrusion plastometer 7. D1505, standard test method for density of plastics by densitygradient technique. Astm d25610e1 standard test methods for determining the. Astm international helping our world work better standards catalog 2016. Iso astm ntc y otras, homologadas o no homologadas. Astm d1238 meltflow rates of thermoplastics by extrusion plastometer.
Standard test method for particlesize analysis of soils. Astm d1238 04 standard test method for melt flow rates of. Tensile testing of plastics per astm d638 is a widely used and extremely important test method. Astm e6912005, practice for conducting an interlaboratory study to determine the precision of a test method.
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