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1.1 This specification covers reinforced non-vulcanized polymeric sheet made from chlorosulfonated polyethylene (CSM) and poly-isobutylene (PIB) 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 on a roof.
1.2 The tests and property limits used to characterize these sheets are minimum values specific for each classification.
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 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.
2. Referenced Documents
D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension
D413 Test Methods for Rubber Property--Adhesion to Flexible Substrate
D471 Test Method for Rubber Property--Effect of Liquids
D518 Test Method for Rubber Deterioration--Surface Cracking
D751 Test Methods for Coated Fabrics
D1004 Test Method for Tear Resistance (Graves Tear) of Plastic Film and Sheeting
D1149 Test Methods for Rubber Deterioration--Cracking in an Ozone Controlled Environment
D1204 Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature
D2136 Test Method for Coated Fabrics--Low-Temperature Bend Test
G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
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