ASTM D3468-99(2006)e1

Standard Specification for Liquid-Applied Neoprene and Chlorosulfonated Polyethylene Used in Roofing and Waterproofing

SCOPE
1.1 This specification covers liquid-applied neoprene and chlorosulfonated polyethylene synthetic rubber solutions suitable for use in roofing and waterproofing.
1.2 &si-value;
The following precautionary caveat pertains only to the test method portion, Section , of this specification: This standard does not purport to address the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 30-Apr-2006
• ICS: 91.100.50 - Binders. Sealing materials
• Technical Committee: D08 - Roofing and Waterproofing
• Drafting Committee: D08.18 - Nonbituminous Organic Roof Coverings

Relations

• Replaces: ASTM D3468-99 - Standard Specification for Liquid-Applied Neoprene and Chlorosulfonated Polyethylene Used in Roofing and Waterproofing
• Effective Date: 01-May-2006
• Replaced By: ASTM D3468/D3468M-99(2013)e1 - Standard Specification for Liquid-Applied Neoprene and Chlorosulfonated Polyethylene Used in Roofing and Waterproofing
• Effective Date: 01-May-2006

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
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Designation:D3468 −99(Reapproved 2006)
Standard Specification for
Liquid-Applied Neoprene and Chlorosulfonated
Polyethylene Used in Roofing and Waterproofing
This standard is issued under the fixed designation D3468; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
´ NOTE—Editorially switched from English dominant to SI dominant in May 2006.
1. Scope D1824Test Method forApparentViscosity of Plastisols and
Organosols at Low Shear Rates
1.1 This specification covers liquid-applied neoprene and
E96/E96MTest Methods for Water Vapor Transmission of
chlorosulfonated polyethylene synthetic rubber solutions suit-
Materials
able for use in roofing and waterproofing.
2.2 Department of Commerce Voluntary Product Standard:
1.2 The values stated in SI units are to be regarded as
PS-1Construction and Industrial Plywood
standard. The values given in parentheses are for information
only. 3. Classification
1.3 The following precautionary caveat pertains only to the
3.1 Type I—Neoprene synthetic rubber solutions for use
test method portion, Section 9, of this specification:This
alone or in combination with chlorosulfonated polyethylene
standard does not purport to address the safety concerns, if
synthetic rubber solutions:
any, associated with its use. It is the responsibility of the user
3.1.1 Grade 1—Neoprene rubber solution.
of this standard to establish appropriate safety and health
3.1.2 Grade 2—Fiber-modified neoprene rubber solution.
practices and determine the applicability of regulatory limita-
3.2 Type II—Chlorosulfonated polyethylene synthetic rub-
tions prior to use.
ber solutions.
2. Referenced Documents
4. Materials and Manufacture
2.1 ASTM Standards:
4.1 The designated polymer shall comprise 100% of the
D412TestMethodsforVulcanizedRubberandThermoplas-
elastomer and a minimum of 60% of the nonvolatile content.
tic Elastomers—Tension
4.2 The designated polymer shall be homogeneously com-
D429Test Methods for Rubber Property—Adhesion to
pounded with pigments, extenders, stabilizers, antidegradants,
Rigid Substrates
and curatives. The product shall be free from graininess, gel
D471Test Method for Rubber Property—Effect of Liquids
particles, and foreign materials.
D711Test Method for No-Pick-Up Time of Traffic Paint
D823Practices for Producing Films of Uniform Thickness
5. Physical Requirements
of Paint, Varnish, and Related Products on Test Panels
5.1 The material shall conform to the physical properties
D1149TestMethodsforRubberDeterioration—Crackingin
prescribed in Table 1.
an Ozone Controlled Environment
D1640Test Methods for Drying, Curing, or Film Formation
6. Sampling
of Organic Coatings at Room Temperature
6.1 The sample shall be a 1-L (1-qt) aliquot consisting of a
D1644Test Methods for Nonvolatile Content of Varnishes
composite taken, when possible, from three or more separate
containerschosenatrandom.Samplesshallalsobetakenfrom
1 any other containers that appear to be nonrepresentative and
This specification is under the jurisdiction of ASTM Committee D08 on
RoofingandWaterproofingandisthedirectresponsibilityofSubcommitteeD08.18
shall be tested separately. Before a sample is withdrawn, the
on Nonbituminous Organic Roof Coverings.
contents in the container shall be mixed to uniform consis-
Current edition approved May 1, 2006. Published June 2006. Originally
tency. The sample shall be placed immediately in an airtight
approved in 1975. Last previous edition approved in 1999 as D3468–99. DOI:
glass jar or metal can until tested.
10.1520/D3468-99R06E01.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Available from the Superintendent of Documents, U. S. Government Printing
the ASTM website. Office, Washington, DC 20402.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D3468−99 (2006)
TABLE 1 Physical Properties of Neoprene and Chlorosulfonated Polyethylene Synthetic Rubber Solutions
and Cured Films
Type I (Neoprene)
Type II (Chlorosulfonated
Polyethylene)
Property Grade 1 Grade 2
min max min max min max
Synthetic rubber solutions:
A
Solids, weight % ±2 % of the qualification value
A
±20 % of the qualification value
Viscosity, mPa·s (cP)
Drying time, h:
Dry-to-touch . 4 . 12 . 4
Dry hard . 16 . 24 . 24
Solids, volume % 20 . 20 . 20 .
Cured films:
Tensile strength, MPa (psi) 11 (1600) . 4.8 (700) . 4.8 (700) .
Elongation at 23 ± 2°C 450 . 450 . 350 .
(73.4 ± 3.6°F), %
Elongation at −18 ± 2°C 120 . 120 . 120 .
(−0.4 ± 3.6°F), %
Permanent set at break, % . 50 . 50 . 50
Elongation of aged film at 23 ± 2°C 100 . 100 . 200 .
(73.4 ± 3.6°F), %
Water absorption, % . 4.0 . 4.0 . 4.0
Water vapor permeability, ng/Pa·s·m (perm-inches) . 0.0146 . 0.0146 . 0.0146
(0.010) (0.010) (0.010)
Ozone resistance . . . . no cracks under 10×
magnification
Adhesion, kN/m (lbf/in.) width 3.5 (20) . 1.8 (10) . . .
A
Qualification value is that agreed upon between the seller and purchaser.
7. Retest and Rejection them in accordance with the coating manufacturer’s instruc-
tions. Condition the cured specimens for 72 h at 23 6 2°C
7.1 If the results of any test do not conform to the require-
(73.4 6 3.6°F) before carefully stripping the film from the
ments of this specification, retesting to establish conformity
release paper.
may be performed as agreed upon between the purchaser and
the seller.
8.5 Prepare cured film specimens for the adhesion test on
the A face of a 13-mm ( ⁄2-in.) exterior grade plywood sheet
8. Specimen Preparation
conforming to the requirements ofVoluntary Product Standard
8.1 PrepareallfilmspecimensinaccordancewithMethodD 1
PS-1,approximately225by450by6mm(9by18by ⁄4in.),
of Test Methods D823. Take care to prevent puddling and
with 150 mm (6 in.) at one end covered by kraft paper. Use
keep specimens horizontal at all times. When more than one
strips of cellophane pressure-sensitive tape along each edge of
coat is required, allow each to dry to touch prior to application
the kraft paper to ensure smooth, tight contact with the
of subsequent coats.
plywood sheet. Prepare a primer consisting of one part of the
8.2 Prepare 0.25-mm (10-mil) wet film specimens for de-
test coating and two parts of xylene, well stirred together.
terminationofdryingtimeonglassplates,approximately15by
Brush-apply a coat of primer to the plywood sheet including
75 mm. ( ⁄8 by 3 in).
the paper-covered end, and allow to dry to touch. Then apply
two coats of the undiluted test coating, each coat having a
8.3 Prepare 0.75-mm (30-mil) wet film specimens for de-
minimum wet-film thickness of 0.75 mm (30 mils). When the
termination of solids, percent by volume, on a release surface
final test coat has dried for 24 h, brush-apply two coats of
approximately 75 by 150 mm (3 by 6 in.).
neoprenecontactadhesive tothetestspecimenandtoa225by
8.4 Prepare cured film specimens for all tests except adhe-
600-mm(9by24-in.)stripofNo.10canvasduck. Allowboth
siononreleasepaper approximately250by350mm(10by14
surfacestodrytoatackystateandthenmatethecoatedsideof
in.).Adjustthedoctorbladetoproduceawetfilmthatwillgive
thecanvasstriptothetestspecimentofacilitatestrippingofthe
a total dry film thickness of approximately 0.40 mm (15 mils)
film. Cure the test specimens in accordance with the coating
aftertwoappl
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