1、Designation:D8343/D8343M21Standard Practice forMeasuring the Physical Properties of Cannabis/Hemp Pre-rolls1This standard is issued under the fixed designation D8343/D8343M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of
2、last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice is intended to be used to identify thephysical properties of a cannabis/hemp pre-roll.1.2 This practice shall
3、 apply to pre-rolls made using herbalmaterial(s)from any type of a cannabis plant(that is,cannabis/hemp),regardless of the cannabinoid content.For the sake ofbrevity,the term“cannabis”shall be used henceforth to refer toany type of cannabis plant(cannabis/hemp).1.3 This practice helps to provide cla
4、rity on pre-roll prepa-ration and sampling to identify,measure,and report the length,diameter,and weight of cannabis pre-rolls.1.4 This practice shall not be applicable to infused cannabispre-rolls,which are outside the scope of this standard.1.5 UnitsThe values stated in either SI units or UnitedSt
5、ates Customary Units(USC Units)are to be regardedseparately as standard.The values stated in each system maynot be exact equivalents;therefore,each system shall be usedindependently of the other.Combining values from the twosystems may result in non-conformance with the standard.Metric units will be
6、 stated as standard and USC units will beshown in brackets relative to the metric units.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmenta
7、l practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guid
8、es and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Terminology2.1 Definitions of Terms Specific to This Standard:2.1.1 cannabis end diameter,na straight line segment thatpasses through the center of the cannabis herbal material sideof the pre-ro
9、ll circumference at the widest location.(See Fig.1.)2.1.2 crutch,na small strip of thick paper of which oneend is folded over alternating the fold direction to form a“W”then rolled into a cylinder.2.1.2.1 DiscussionThe terms“tip,”“filter tip,”and“filter”are synonymous with“crutch.”2.1.3 diameter mea
10、suring device,nan analogue or elec-tronic device used to measure the diameter of an object capableof measuring within 0.1 mm 0.0039 in.or less.2.1.3.1 DiscussionExamples of such devices include,butare not limited,to calipers,verniers,and digital micrometers.2.1.4 filter tip diameter,na straight line
11、 segment thatpasses through the center of the filter side of the pre-rollcircumference.(See Fig.1.)2.1.5 length(L),nthe measurement from one end of thepre-roll to the other along the longest side.(See Fig.1.)2.1.6 length measuring device,nan analogue or electronicdevice used to measure the length of
12、 an object,capable ofmeasuring within 0.1 mm 0.0039 in.or less.2.1.6.1 DiscussionThe term measuring device is com-monly known as an instrument for measuring physical quantityor characteristics and has varying degrees of instrument errorand measurement uncertainty.Examples of such devices can beverni
13、er,dial,and digital calipers.2.1.7 pre-roll,na prefabricated unit for personal inhala-tion via combustion that is typically constructed of a wrappingpaper,a filter,and dried flowers of a cannabis plant.2.1.7.1 DiscussionA common synonym for pre-roll isjoint.2.1.8 relative humidity(RH)measuring devic
14、e,na devicewith a humidity sensor or detector used to measure the relativehumidity in the air capable of measuring within 65%.2.1.9 temperature measuring device,na device used tomeasure temperature capable of measuring within 61 C61.8 F.2.1.10 tipping paper,na binding paper material used tomarry the
15、 filter and wrapping paper of a pre-roll.1This practice is under the jurisdiction of ASTM Committee D37 on Cannabisand is the direct responsibility of Subcommittee D37.04 on Processing andHandling.Current edition approved Sept.1,2021.Published September 2021.DOI:10.1520/D8343_D8343M-21.Copyright AST
16、M International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.12.1.11 weighing scale,na calibrated analytical balance ortop loading balance used to measu