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ASTM E2785-14

Standard Test Method for Exposure of Firestop Materials to Severe Environmental Conditions

Automaticky přeložený název:

Standardní zkušební metoda pro expozici protipožárních materiálů, které mají v náročných klimatických podmínkách

NORMA vydána dne 1.5.2014

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Informace o normě:

Označení normy: ASTM E2785-14
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2014
Kód zboží: NS-46034
Počet stran: 8
Přibližná hmotnost: 24 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM E2785-14 :

Keywords:

accelerated, artificial, cold, environmental exposure, firestop, heat, humid, penetration, wet, ICS Number Code 13.220.10 (Fire-fighting),13.220.40 (Ignitability and burning behaviour of materials and products)

Doplňující informace

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:

5.4.1 Endothermic,

5.4.2 Intumescent,

5.4.3 Insulative,

5.4.4 Ablative, and

5.4.5 Subliming.

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

5.6.7 Weathering.

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. Scope

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

D6754/D6754M-23	Standard Specification for Ketone Ethylene Ester Based Sheet Roofing
D6878/D6878M-21	Standard Specification for Thermoplastic Polyolefin-Based Sheet Roofing
D6947/D6947M-16(2023)	Standard Specification for Liquid Applied Moisture Cured Polyurethane Coating Used in Spray Polyurethane Foam Roofing System
E84-23d	Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 1/29/2024).
E119-22	Standard Test Methods for Fire Tests of Building Construction and Materials
E145-19	Standard Specification for Gravity-Convection and Forced-Ventilation Ovens
E176-24	Standard Terminology of Fire Standards
E2786-10(2019)	Standard Test Methods for Measuring Expansion of Intumescent Materials Used in Firestop and Joint Systems
F495-99a(2019)	Standard Test Method for Weight Loss of Gasket Materials Upon Exposure to Elevated Temperatures (Includes all amendments and changes 6/20/2019).
G151-19	Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G155-21	Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials
D4714-96(2001)	Standard Test Method for Determination of Effect of Moist Heat (50% Relative Humidity and 90°C) on Properties of Paper and Board
D5510-94(2001)	Standard Practice for Heat Aging of Oxidatively Degradable Plastics (Withdrawn 2010)
D5893/D5893M-16(2021)	Standard Specification for Cold-Applied, Single-Component, Chemically Curing Silicone Joint Sealant for Portland Cement Concrete Pavements
D6083-05	Standard Specification for Liquid Applied Acrylic Coating Used in Roofing
D3045-18	Standard Practice for Heat Aging of Plastics Without Load
E473-23b	Standard Terminology Relating to Thermal Analysis and Rheology (Includes all amendments and changes 10/5/2023).
E631-15	Standard Terminology of Building Constructions
E814-23a	Standard Test Method for Fire Tests of Penetration Firestop Systems (Includes all amendments and changes 7/26/2023).
D412-16(2021)	Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers—Tension
D870-15(2020)	Standard Practice for Testing Water Resistance of Coatings Using Water Immersion
D2041/D2041M-19	Standard Test Method for Theoretical Maximum Specific Gravity and Density of Asphalt Mixtures
C177-19e1	Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus (Includes all amendments and changes 2/23/2023).
C1442-14(2021)	Standard Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
D3850-19	Standard Test Method for Rapid Thermal Degradation of Solid Electrical Insulating Materials By Thermogravimetric Method (TGA)
D4434/D4434M-21	Standard Specification for Poly(Vinyl Chloride) Sheet Roofing
D4637/D4637M-15(2021)e1	Standard Specification for EPDM Sheet Used in Single-Ply Roof Membrane (Includes all amendments and changes 10/14/2022).

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