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Significance and Use
5.1 This test method is intended to evaluate the material performance after exposure to a standardized set of severe environmental conditions. It is understood that these performance values are dependent upon these standardized exposure periods and environmental concentrations. Other values are possible if the exposure period or severe environmental concentration, or both, is changed.
5.2 This test method is intended to be used where the material is exposed to the specific extreme environmental condition in its intended field of application.
5.3 The user shall establish which properties are relevant to the application at hand, in order to determine the properties to be tested.
5.4 This test method is intended to evaluate only the following types of materials, as defined by their physical properties or chemical properties, or both, and used in penetration firestops:
5.4.4 Ablative, and
5.5 This test method determines initial physical properties, chemical properties, or both, to allow comparison with physical properties, chemical properties, or both after exposure. The following properties are to be considered, as applicable:
5.5.1 Weight loss or gain,
5.5.2 Volume expansion,
5.5.3 Thermal conductivity,
5.5.4 Thermogravimetric analysis (TGA),
5.5.5 Differential scanning calorimetry (DSC),
5.5.6 Tensile strength and elongation,
5.5.7 Visual observations, and
5.5.8 Loss on ignition.
5.6 This test method uses the following exposures:
5.6.1 Elevated temperature,
5.6.2 High humidity,
5.6.3 Carbon dioxide and sulfur dioxide with moisture present,
5.6.4 Water immersion,
5.6.5 Temperature cycling,
5.6.6 Wet-freeze-dry cycling, and
5.7 This test method does not provide any information regarding the actual fire performance of the firestop before or after the exposure tests.
5.8 This test method will provide a comparison between formula and processing changes in materials.
5.9 This test method only provides for a comparison of the tested material before and after a standardized exposure process.
5.10 This test method shall be used as one element in evaluating materials or selecting firestop material(s) for a specific application. Other factors shall be considered, such as its fire performance as tested in accordance with Test Methods E814 or E119, flame spread as tested in accordance with Test Method E84, durability, and its compatibility with its adjacent materials.
1.1 This test method evaluates a change in physical properties, chemical properties, or both, of firestop materials after a standardized environmental exposure. This test method does not evaluate the fire performance of the firestop materials.
1.2 This test method establishes indicators that will aid in determining the use of the tested material in buildings.
1.3 This test method evaluates the properties of component products used within a firestop system, and does not evaluate the properties of assembled firestop systems.
1.4 This test method is intended to be a screening method in the evaluation of the relative behavior of a specific material before and after a standardized set of severe exposure criteria. Individual tests are not intended to be the only determining factor in evaluating or selecting a firestop material because each test has limitations.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.6 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus
C1442 Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension
D870 Practice for Testing Water Resistance of Coatings Using Water Immersion
D2041/D2041M Test Method for Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
D3045 Practice for Heat Aging of Plastics Without Load
D3850 Test Method for Rapid Thermal Degradation of Solid Electrical Insulating Materials By Thermogravimetric Method (TGA)
D4434/D4434M Specification for Poly(Vinyl Chloride) Sheet Roofing
D4637/D4637M Specification for EPDM Sheet Used In Single-Ply Roof Membrane
D4714 Test Method for Determination of Effect of Moist Heat (50 % Relative Humidity and 90C) on Properties of Paper and Board
D5510 Practice for Heat Aging of Oxidatively Degradable Plastics
D5893/D5893M Specification for Cold Applied, Single Component, Chemically Curing Silicone Joint Sealant for Portland Cement Concrete Pavements
D6083 Specification for Liquid Applied Acrylic Coating Used in Roofing
D6754/D6754M Specification for Ketone Ethylene Ester Based Sheet Roofing
D6878/D6878M Specification for Thermoplastic Polyolefin Based Sheet Roofing
D6947/D6947M Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
E84 Test Method for Surface Burning Characteristics of Building Materials
E119 Test Methods for Fire Tests of Building Construction and Materials
E145 Specification for Gravity-Convection and Forced-Ventilation Ovens
E176 Terminology of Fire Standards
E473 Terminology Relating to Thermal Analysis and Rheology
E631 Terminology of Building Constructions
E814 Test Method for Fire Tests of Penetration Firestop Systems
E2786 Test Methods for Measuring Expansion of Intumescent Materials Used in Firestop and Joint Systems
F495 Test Method for Weight Loss of Gasket Materials Upon Exposure to Elevated Temperatures
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
ICS Number Code 13.220.10 (Fire-fighting); 13.220.40 (Ignitability and burning behaviour of materials and products)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM E2785-14, Standard Test Method for Exposure of Firestop Materials to Severe Environmental Conditions, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top