ASTM D8372-21

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D8372 − 21
Standard Guide for
Cannabis/Hemp Extract Vaporizers
This standard is issued under the fixed designation D8372; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2.1 ASTM Standards:
1.1 This guide is intended to define characteristics,
D8270 Terminology Relating to Cannabis
functions, and technologies commonly present in cannabis/
D8376 Classification for Cannabis/Hemp Extract Vaporizers
hemp extract vaporizers.
1.2 This guide shall apply to vaporizers used to incorporate
3. Terminology
the extracts of a cannabis plant regardless of the type of
3.1 Definitions:
cannabis plant from which they where derived. For the sake of
3.1.1 For definitions of terms used in this classification,
brevity, the term “cannabis” shall be used from now on to refer
refer to Terminology D8270 and the terms developed by
to any type of cannabis plant (cannabis/hemp).
Subcommittee D37.91 on Terminology.
1.3 This guide will provide clarity to the industry,
3.2 Definitions of Terms Specific to This Standard:
government, consumers, and the public as way to understand
3.2.1 atomizer, n—anydevicethattransformsasubstanceby
whatdifferentfeaturesandtechnologiesarepresentincannabis
means of heating into vapour.
extract vaporizers.
3.2.1.1 Discussion—The term atomizer in the vaping world
1.4 This guide shall be used in conjunction with Classifica-
is the component of the device responsible for heating up the
tion D8376. substancetovapour.Theword atomizerisalsocommonlyused
to reference the heating coils of any cartridge, the part that is
1.5 Forthepurposesofthisguide,theterms concentrateand
responsible for vaporizing liquid.
extract are interchangeable in the context of source material
3.2.2 carb cap, n—a term used to define a cover that is
being consumed. Concentrate and extract are two different
placed over the heated extract to enhance the vapour produc-
products consumed in the same way.
tion.
1.6 Units—The values stated in SI units are to be regarded
3.2.3 cartridge, n—a container or receptacle used for stor-
as standard. No other units of measurement are included in this
age of cannabis extracts, that typically contains an atomizer
standard. within and is intended to be single use or replaceable.
3.2.4 chamber, n—any vessel/receptacle where the user
1.7 This standard does not purport to address all of the
loads material directly into/onto the vaporization mechanism
safety concerns, if any, associated with its use. It is the
prior to inhalation.
responsibility of the user of this standard to establish appro-
3.2.5 container, n—a receptacle for holding product.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
3.2.6 dab, n—a small amount of cannabis extract material.
1.8 This international standard was developed in accor-
3.2.6.1 Discussion—The dab volume used in the dab rig is
dance with internationally recognized principles on standard-
non precise and is user dependent.
ization established in the Decision on Principles for the
3.2.7 dab nail, n—a specifically designed chamber for
Development of International Standards, Guides and Recom-
cannabis extracts used in refillable vaporizers.
mendations issued by the World Trade Organization Technical
3.2.7.1 Discussion—Dab nails are commonly used in dab
Barriers to Trade (TBT) Committee.
rigs.
This guide is under the jurisdiction ofASTM Committee D37 on Cannabis and
is the direct responsibility of Subcommittee D37.08 on Cannabis Devices and For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Appliances. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Jan. 15, 2021. Published May 2021. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
D8372-21. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D8372 − 21
3.2.8 dab rig, n—a common term for a refillable cannabis 4.3 This guide will categorize common characteristics using
extract vaporizer. categories based on different technologies and describe in
simple terms the details attributable to each category, but is not
3.2.9 dab tool, n—a tool used to place a dab into a refillable
intended to be all inclusive.
cannabis extract vaporizer.
4.4 This standard will serve to provide clarity to industry,
3.2.10 dose insert, n—a precise amount of cannabis extract
government, and the public on terminology and universal
that is contained within a holder.
functions of cannabis extract vaporizers.
3.2.10.1 Discussion—A holder may be manufactured from
4.5 Reference to a type characteristic in this guide is not
various substrates such as glass, quartz, flexible materials, or
intended in any manner to denote endorsement or approval of
organic compounds.
said type by ASTM International.
3.2.11 threaded cartridge, n—a type of cartridge whose
connection method to a battery is by means of a threaded
5. Characteristics
system.
5.1 The various characteristics of cannabis extract vaporiz-
3.2.11.1 Discussion—Threaded cartridges may come in
ers appear in Table 1.
variousthreadedpitches.Someexamplesare510,512and710.
5.2 Characteristic — I Configuration:
The number refers to “X” threads at “Y” millimetres per thread
5.2.1 a. Handheld—Handheld cannabis extract vaporizers
type threading that is used to screw the bottom of the cartridge
are used for the personal consumption of cannabis extract by
to an appropriate threaded vape battery.
inhalation. This configuration can include an onboard pre-
3.2.11.2 Discussion—510 threaded cartridge is the most
charged or rechargeable battery cell to power the device. For a
common type of vaporizer cartridge and has been adopted and
rechargeable cell, an external plug in power source is used to
commonly called “universal.” Following convention, 510 re-
charge the onboard battery.Additionally, these devices include
fers to 10 threads at 0.5 mm per thread.
an air intake path channel from the external atmosphere,
3.2.11.3 Discussion—Adapters exist to allow threaded car-
leading to the chamber or cartridge that includes a heating coil
tridge types to work with magnetic batteries and vice versa.
or atomizer. The atomizer heats the extract material to vapour.
3.2.12 pod, n—a type of container style, explicitly designed
The vapour then flows to a mouthpiece and is inhaled into the
forusewithliquidsofvaryingviscosities,typicallyproprietary,
lungs.
that attaches by means of magnetic connection to an appropri-
5.2.2 b. Desktop—Desktop cannabis extract vaporizers are
ate magnetic vape battery.
typically designed to rest on a stable horizontal surface while
3.2.13 power source, n—an internal or external source that
in use for the personal or social consumption of cannabis
powers onboard systems.
extract by inhalation. This configuration can include various
devicessuchasavapourtap,integratedself-containeddabrigs,
3.2.13.1 Discussion—The power source can be activated
or the traditional e-nail arrangement. Integrated dab rigs
directly through an internal source, for example, rechargeable
contain a rechargeable battery cell for onboard heating the dab
battery or an external source, for example, AC power plug
nail and constant and controlled temperature adjustment. The
directly connected to a wall outlet.
traditional e-nail typically includes a series of separate
3.3 Abbreviated Terms — Acronyms and Initialisms:
components, namely a controller box with temperature settings
3.3.1 AC—alternating current or voltage
and an AC power plug which requires an alternate source of
3.3.2 XLR—external line return
energy to power the device. Additionally, this device includes
4. Significance and Use
a cable with a heating coil on one end and XLR connector on
the other end. The heating coil is then attached to the dab nail
4.1 This guide is intended to educate new and experienced
and the XLR connector is attached to the controller box. The
users of cannabis extract vaporizers on the various character-
dab nail is then attached to a dab rig (a waterpipe). In both
istics that can be available in cannabis extract vaporizers.
4.2 This guide will outline characteristics of cannabis ex-
tract vaporizers, which includes individual components, design 3
Wikipedia. 2021. “XLR connector.” Last modified February 1, 2021. https://
elements, and basic universal functions. en.wikipedia.org/wiki/XLR_connector.
TABLE 1 Characteristics of Cannabis Extract Vaporizers
Characteristics Categories
I. Configuration a. Handheld b. Desktop c. Universal
II. Extract Container a. Prefilled Container b. Refillable Container
III. Temperature/Wattage a. Precise Control b. Rough Control c. Hybrid Control d. Without Temperature/
Settings Wattage Control
IV. Information Readout a. Digital Readout b. Analogue Readout c. Haptics d. No Information
Readout
V. Design Intent a. Built for Purpose b. Adaptive
VI. Heatin
...