1、Designation:D526797(Reapproved 2012)Standard Test Method forDetermination of Extrudability of Cartridge Adhesives1This standard is issued under the fixed designation D5267;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of l
2、ast revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method measures the amount of force neces-sary to extrude an adhesive from a cartridge at a giventemperature.1.2 T
3、he values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated w
4、ith its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D907 Terminology of Adhesives3.Terminology3.1 DefinitionsMany terms
5、 in this test method are definedin Terminology D907.4.Significance and Use4.1 Cartridge adhesives are typically used at job sites in awide variety of temperature ranges.These products may beexposed to cold temperatures,where one of the limitingapplication factors is whether the product can be extrud
6、ed fromthe cartridge.4.2 The test method quantitatively measures the force nec-essary to extrude a cartridge adhesive at a given temperature.This provides the formulator with results that can assist informulation development and the end user with information foruse in selecting a product for general
7、 usage.4.3 By measuring(the ease of)extrusion from the cartridge,the test method can also be used as a quality control tool tomeasure the shelf life stability of a product.5.Apparatus5.1 The test fixture is shown in Fig.1.Details are shown inFigs.2-4.3Make the framework from aluminum.Make the rodand
8、 plunger combination from steel.5.2 The test fixture is designed to be fitted onto a testmachine capable of measuring compressive strength.6.Conditioning6.1 Before measuring extrudability,condition the cartridgefilled with adhesive until it reaches the desired constanttemperature.7.Procedure7.1 Moun
9、t the test fixture to the test machine for stability.7.2 After conditioning the cartridge,cut off enough of thetip,perpendicular to the cartridge,to ensure an inside diameterof14in.(6.3 mm).If the cartridge has a foil or plastic liner,puncture it completely to allow passage of the material throughth
10、e orifice.Record the temperature of the adhesive by insertinga thermometer or suitable thermocouple into the cartridge.7.3 Set the crosshead speed to 5.0 in.(127.0 mm)per min oranother acceptable rate.7.4 Activate the machine to begin extrusion of the adhesivefrom the cartridge,measure the maximum f
11、orce necessary tobegin the extrusion process as well as the force necessary tomaintain continued extrusion of the adhesive.The first value isthe force needed to release the plunger from the cartridge.Thesecond value is the force needed to extrude the adhesive fromthe cartridge continuously.8.Report8
12、.1 Report the following information:8.1.1 Complete identification of the adhesive,includingtype,source,date of test,etc.1This test method is under the jurisdiction of ASTM Committee D14 onAdhesives and is the direct responsibility of Subcommittee D14.10 on WorkingProperties.Current edition approved
13、May 1,2012.Published May 2012.Originallyapproved in 1992.Last previous edition approved in 2005 as D5267 97(2005).DOI:10.1520/D5267-97R12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume info
14、rmation,refer to the standards Document Summary page onthe ASTM website.3The apparatus is also available from Browning Technology,Inc.,1256 StanleyAve.,Dayton,OH 45404.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 8.1.2 Complete identif
15、ication of the cartridge,includingtype,composition,liner used,plunger design,source,size,etc.8.1.3 Temperature of adhesive.8.1.4 Crosshead speed used for extrusion.8.1.5 Force(in psi)used initially to extrude the adhesivefrom the cartridge and the average to maintain a constant flowof adhesive.9.Pre
16、cision and Bias9.1 Precision:9.1.1 Table 1 presents round robin data generated from threelaboratories.Three different cartridge adhesives were used togenerate the data at two temperatures.The extrudability valueswere based on the average of three separate cartridge values.9.1.2 Repeatability at a given test site for the samplesyielded coefficients of variation from 2 to 18%for Laboratory1,1 to 10%for Laboratory 2,and 2 to 13%for Laboratory 3,with most values in the range of 2 to 11%.9.1.3 No sta
