Standard Specification for Reinforced CSM (Chlorosulfonated Polyethylene) Sheet Used in Single-Ply Roof Membrane

SCOPE
1.1 This specification covers reinforced non-vulcanized polymeric sheet made from chlorosulfonated polyethylene (CSM) intended for use as a single-ply roof membrane exposed to the weather. The sheet shall be reinforced with fiber or fabric.
1.1.1 The polymers used in these sheets have thermoplastic characteristics at time of installation. The chlorosulfonated polyethylene will vulcanize in place under ambient conditions.
1.2 The tests and property limits used to characterize these sheets are minimum values.
1.2.1 In-place roof systems design criteria such as fire resistance, field seaming strength, impact/puncture resistance, material compatibility, and uplift resistance, among others, are factors that must be considered, but are beyond the scope of this specification.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 The following precautionary caveat pertains to the test methods portion only, Section 8, of this specification: This standard does not purport to address all of 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.

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14-Jan-2007
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ASTM D5019-07 - Standard Specification for Reinforced CSM (Chlorosulfonated Polyethylene) Sheet Used in Single-Ply Roof Membrane
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Designation: D 5019 – 07
Standard Specification for
Reinforced CSM (Chlorosulfonated Polyethylene) Sheet
1
Used in Single-Ply Roof Membrane
This standard is issued under the fixed designation D5019; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope D412 Test Methods for Vulcanized Rubber and Thermo-
plastic Elastomers—Tension
1.1 This specification covers reinforced non-vulcanized
D413 Test Methods for Rubber Property—Adhesion to
polymeric sheet made from chlorosulfonated polyethylene
2 Flexible Substrate
(CSM) intended for use as a single-ply roof membrane
D471 Test Method for Rubber Property—Effect of Liquids
exposedtotheweather.Thesheetshallbereinforcedwithfiber
D 518 Test Method for Rubber Deterioration—Surface
or fabric.
Cracking
1.1.1 The polymers used in these sheets have thermoplastic
D751 Test Methods for Coated Fabrics
characteristics at time of installation. The chlorosulfonated
D1004 Test Method for Tear Resistance (Graves Tear) of
polyethylene will vulcanize in place under ambient conditions.
Plastic Film and Sheeting
1.2 The tests and property limits used to characterize these
D1149 Test Method for Rubber Deterioration—Surface
sheets are minimum values.
Ozone Cracking in a Chamber
1.2.1 In-place roof systems design criteria such as fire
D1204 Test Method for Linear Dimensional Changes of
resistance, field seaming strength, impact/puncture resistance,
Nonrigid Thermoplastic Sheeting or Film at Elevated
material compatibility, and uplift resistance, among others, are
Temperature
factors that must be considered, but are beyond the scope of
D 2136 Test Method for Coated Fabrics—Low-
this specification.
Temperature Bend Test
1.3 The values stated in SI units are to be regarded as the
G151 Practice for Exposing Nonmetallic Materials in Ac-
standard. The values given in parentheses are for information
celerated Test Devices that Use Laboratory Light Sources
only.
G154 Practice for Operating Fluorescent Light Apparatus
1.4 The following precautionary caveat pertains to the test
for UV Exposure of Nonmetallic Materials
methods portion only, Section 8, of this specification: This
G155 Practice for Operating Xenon Arc Light Apparatus
standarddoesnotpurporttoaddressallofthesafetyconcerns,
for Exposure of Non-Metallic Materials
ifany,associatedwithitsuse.Itistheresponsibilityoftheuser
of this standard to establish appropriate safety and health
3. Classification
practices and determine the applicability of regulatory limita-
3.1 The following type is used to identify the principal
tions prior to use.
polymeric component of the coating portion of the sheet:
2. Referenced Documents 3.1.1 Type I—Chlorosulfonated polyethylene (CSM).
3
3.2 The following grades describe the sheet construction:
2.1 ASTM Standards:
3.2.1 Grade 1—Backed with fibers, and
3.2.2 Grade 2—Internally reinforced with fabric.
1
This specification is under the jurisdiction of ASTM Committee D08 on 3.3 A general description of reinforcing including the type
RoofingandWaterproofingandisthedirectresponsibilityofSubcommitteeD08.18
of fiber used and the weight per unit area of the reinforcing or
on Nonbituminous Organic Roof Coverings.
backing material shall be provided, upon request.
Current edition approved Jan. 15, 2007. Published February 2007. Originally
approved in 1989. Last previous edition approved in 2005 as D5019–05.
2
4. Materials and Manufacture
The term CSPE for chlorosulfonated polyethylene is commonly used in the
roofing industry.
4.1 The coating shall be formulated from CSM and other
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
compounding ingredients. The CSM used in the coating shall
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
be a minimum of 90% in relation to the total polymer present.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D5019–07
TABLE 2 Physical Properties of the Coating Portion on the
4.2 The sheet shall be capable of being bonded to itself to
Weather Side of the Sheet, (No Backing or Internal
make watertight field splices and repairs. The manufacturer or
Reinforcement)
supplier shall recommend bonding methods and materials.
Type I (CSM)
5. Physical Properties Property
Tensile strength, min, MPa (psi) 5.1 (735)
5.1 Table 1 contains physical property requirements that
Elongation, min, % 250
shall be met when using the indicated class
...

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