ASTM C1620-05

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: C1620 – 05
Standard Specification for
Aerosol Polyurethane and Aerosol Latex Foam Sealants
This standard is issued under the fixed designation C1620; 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 E283 Test Method for Determining Rate of Air Leakage
Through Exterior Windows, Curtain Walls, and Doors
1.1 This specification covers the types, grades, and physical
Under Specified Pressure DifferencesAcross the Specimen
properties of aerosol polyurethane and aerosol latex foams
IEEE/ASTM SI 10 American National Standard for Use of
extruded from pressurized containers and intended for building
the International System of Units (SI) (The Modernized
envelope air barrier sealant applications in building construc-
Metric System)
tion.
2.2 Other Documents:
1.2 For specific aerosol foam sealant applications, opera-
SPFADocumentAY119 Glossary of Terms Common to the
tional temperature limit criteria shall be as agreed upon
Polyurethane Foam Industry
between the aerosol sealant manufacturer and the purchaser.
CAN/CGSB 51.93 Air Barrier Materials
1.3 The values in SI units are to be regarded as standard.
CAN/ULC-S710.1 Proposed Standard for Thermal
The values shown in parentheses are for information and
Insulation-Bead-Applied One-Component Polyurethane
approximation only.
AirSealantFoam,Part1,Section6.5.1,“AirPermeance”
1.4 Thecommitteewithjurisdictionoverthisstandardisnot
49 Code of Federal Regulations 178.33
aware of any comparable standards published by other orga-
UL 723 Surface Burning Characteristics for Materials Use
nizations.
in Plenums
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3. Terminology
responsibility of the user of this standard to establish appro-
3.1 Definitions: For definitions of terms used in this speci-
priate safety and health practices and determine the applica-
fication, refer to Terminologies C168, C717, D883, and SPFA
bility of regulatory requirements prior to use.
AY119. (SPFAstands for Spray Polyurethane FoamAlliance.
2. Referenced Documents 3.1.1 tack-free time, n—as defined in 10.2.
3.1.2 trim time, n—as defined in 10.2.
2.1 ASTM Standards:
C168 Terminology Relating to Thermal Insulation
4. Classification
C390 Practice for Sampling and Acceptance of Thermal
4.1 Type I Aerosol Polyurethane Foam Sealants in contain-
Insulation Lots
ers one liter or less.
C518 Test Method for Steady-State Thermal Transmission
4.2 Type II Aerosol Latex Foam Sealants in containers one
Properties by Means of the Heat Flow Meter Apparatus
liter or less.
C717 Terminology of Building Seals and Sealants
4.3 Grade 1 Aerosol Foam Sealants contain flammable gas
C1536 Test Method for Measuring the Yield for Aerosol
blowing agent or propellant, or both, and are classified as a
Foam Sealants
flammable aerosol by DOT.
D883 Terminology Relating to Plastics
4.4 Grade 2 Aerosol Foam Sealants contain nonflammable
E84 Test Method for Surface Burning Characteristics of
blowing agent or propellants, or both, and are not classified
Building Materials
flammable.
This specification is under the jurisdiction of ASTM Committee C24 on
BuildingSealsandSealantsandisthedirectresponsibilityofSubcommitteeC24.61 Available from the Spray Polyurethane Foam Alliance, 440 Fair Lakes Court,
on Aerosol Foam Sealants. Suite 105, Fairfax, VA 22033.
Current edition approved Sept. 1, 2005. Published October 2005. DOI: 10.1520/ Available from the Canadian StandardsAssociation, 5060 SpectrumWay, Suite
C1620-05. 100, Mississauga, ON L4W 5N6 Canada.
2 5
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from U.S. Government Printing Office, Superintendent of Docu-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM ments, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.
Standards volume information, refer to the standard’s Document Summary page on Available from Underwriters Laboratories (UL), Corporate Progress, 333
the ASTM website. Pfingsten Rd., Northbrook, IL 60062.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C1620 – 05
5. Ordering Information building envelope wall and roof areas by consumers or trained
professionalstoresisttheundesirabletransmissionofmoisture,
5.1 Orders for materials purchased under this specification
conditioned air, heat, and atmospheric air infiltration/
shall include the following information:
exfiltration of gases and heat energy.
5.1.1 Manufacturer,
5.1.2 Product identification information or product name
7. Physical Requirements
5.1.3 ASTM Specification C1620,
7.1 Aerosol foam sealants shall have guide physical prop-
5.1.4 Product classification (see Section 4),
erty characteristics as shown in Table 1.
5.1.5 Certificate of compliance (if required),
7.2 Other physical properties shall be specified as agreed
5.1.6 Ordering date,
upon between the manufacturer and the purchaser, if required
5.1.7 Target delivery date,
for engineering design purposes, such as the anticipation of
5.1.8 Special packaging or handling (if required),
service temperature extremes and conductive thermal resis-
5.1.9 Special markings (if required), and
tance values.
5.1.10 Specialcomplianceinformation,asapplicableforthe
user.
NOTE 1—While apparent foam density is not a specification require-
5.2 Purchases for governmental agencies shall comply with
ment here, its determination using data obtained in Test Method C1536
their special needs.
may be beneficial for field quality control purposes (calculate foam
3 3
weight/foam volume and report apparent density in kg/m and lb/ft ).
6. Materials and Manufacture
8. Sampling
6.1 Aerosol polyurethane foam sealants are produced by the
8.1 For the purposes of sampling, the lot shall consist of all
catalyzed chemical polymerization reaction of proprietary
the single-use containers of sealant purchased and delivered at
chemical formulations and appropriate blowing agents. The
one time.
product of this reaction is bead extruded from pressurized
8.2 Sampling for inspection tests, if required, shall be for
containersthroughanozzledeviceatthepointofapplicationto
physical properties agreed upon between sealant manufacturer
abuildingjointasafoamedsealantmaterial.Beadfoamcuring
and purchaser.
is achieved with atmospheric moisture.
8.3 Refer to Practice C390 for sampling practices as appro-
6.2 Aerosol latex foam sealants are produced by the blend-
priate.
ing of proprietary formulations and appropriate blowing
agents. This mixture is bead extruded from pressurized con-
9. Test Specimen Preparation
tainers through a nozzle device at the point of application to a
building joint as foamed sealant material. Bead foam drying 9.1 Aerosol foam sealant specimens for physical property
then continues over a brief period of time with the loss of testing shall be made in accordance with the manufacturer’s
formulation moisture. recommendations.
6.3 The aerosol foam sealant product shall be suitable for 9.1.1 Pressurized containers shall be conditioned for 48 h
shelf-stable pressurized containment, ready to dispense. under controlled temperature and humidity environment con-
6.4 In most field applications, the aerosol foam sealant is ditions before the extrusion of foam sealant beads onto an
foamed-in-place directly into open joints and cavities in approved substrate surface.
TABLE 1 Properties of Aerosol Foam Sealants
Physical Property Test Method Type I Grade 1 Type I Grade 2 Type II Grade 1
Linear yield C1536 Report value for report value for product report value for product
product
2 3 2 3 2 3
Air permeability (max flow rate) E283 1.5 L/(s· m )(0.3ft 1.5 L/(s· m ) (0.3ft 1.5 L/(s· m ) (0.3ft /
2 2 2
/(min·ft ) /(min·ft ) (min·ft )
3 3 3
0.02 L/(s· m) (0.01 ft / 0.02 L/(s· m) (0.01 ft /(min · 0.02 L/(s· m) (0.01 ft /(min
(min · ft) ft) · ft)
2 2 2
Apparent aged R value C518 0.048 W/m (3.0 ft 0.048 W/m (3.0 ft 0.048 W/m (3.0 ft
per thickness of 2.54 cm/1.00 h·°F/Btu) h·°F/Btu) h·°F/Btu)
in. (min allowed value)
Tack-free time (max) see 10.2 30 min. 30 min. 30 min.
Trim time (max) see 10.2 2h 2h N/A
Flame spread index E84 as labeled as labeled as labeled
Smoke index E84 as labeled as labeled as labeled
Post-dispensing expansion/ consult consult manufacturer consult manufacturer consult manufacturer
A
contraction manufacturer
A
Shear strength (adhesion) consult consult manufacturer consult manufacturer consult manufacturer
manufacturer
Tensile strength (adhesion) consult consult manufacturer consult manufacturer consult manufacturer
manufacturer
Shelf life (can) min stored in standard 12 months 12 months 12 months
laboratory C/RH
A
Freeze/thaw resistance (can) consult N/A N/A 3 cycles
manufacturer
A
Subcommittee C24.61 continues to develop standardized ASTM International test methods for these properties. Until consensus standards are established for these
test methods, consult with product manufacturers regarding their product values and the test
...