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ASTM D3903-15(2022)

Standard Specification for Rubber Seals Used in Air-Heat Transport of Solar Energy Systems

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NORM herausgegeben am 1.10.2022

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Informationen über die Norm:

Bezeichnung normen: ASTM D3903-15(2022)
Ausgabedatum normen: 1.10.2022
SKU: NS-1088707
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Seals, glands

Die Annotation des Normtextes ASTM D3903-15(2022) :

This specification establishes the general requirements for two types, two classes, and seven grades of rubber seals used in solar energy systems employing air-heat transport, such as duct and damper seals. Particular applications may necessitate other requirements that would take precedence over these requirements when specified. The design requirement stated herein pertains only to permissible deflections of the rubber during thermal expansion or contraction of the seal in use and the tolerances in dimensions of molded and extruded seals. This specification does not address the requirements pertaining to the fabrication or installation of the seals. Type C seals are intended for use in cold climates, while Type W seals are intended for use in warm climates. Grade designations (Grades 2 to 8) represent differing degrees of hardness. Finally, Class PS are preformed rubber seals, while Class SC are sealing compounds. Each class shall conform to individually specified values of the following requirements: ultimate elongation; compression set at specified times and temperatures; resistance to heating (hardness and ultimate elongation change, and volatiles lost); resistance to ozone; resistance to low temperature; and adhesion loss.

Keywords:

air-heat transport, rubber seals, solar energy systems,, ICS Number Code 21.140 (Seals, glands)

Ergänzende Informationen

1. Scope

1.1?This specification covers the general requirements for the rubber seals used in solar energy systems employing air-heat transport. Examples are duct and damper seals. Particular applications may necessitate other requirements that would take precedence over these requirements when specified.

Note 1:?Rubber seals for the collector are covered in Specifications D3667 and D3771.

1.2?Design requirement pertains only to permissible deflections of the rubber during thermal expansion or contraction of the seal in use and the tolerances in dimensions of molded and extruded seals.

1.3?This specification does not include requirements pertaining to the fabrication or installation of the seals.

1.4?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5?The following safety hazards caveat pertains only to the test methods portion, Section 10, 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D1149-18(2025)	Standard Test Methods for Rubber Deterioration—Cracking in an Ozone Controlled Environment
D1229-03(2024)	Standard Test Method for Rubber Property—Compression Set at Low Temperatures
D1349-14(2024)	Standard Practice for Rubber—Standard Conditions for Testing
D1415-18(2026)	Standard Test Method for Rubber Property—International Hardness
D1566-21a	Standard Terminology Relating to Rubber (Includes all amendments and changes 11/10/2021).
D2137-11(2025)	Standard Test Methods for Rubber Property—Brittleness Point of Flexible Polymers and Coated Fabrics
D2240-15(2021)	Standard Test Method for Rubber Property—Durometer Hardness
D3182-21a(2025)	Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets (Includes all amendments and changes 12/2/2025).
D3183-10(2024)	Standard Practice for Rubber—Preparation of Pieces for Test Purposes from Products
D3667-16(2022)	Standard Specification for Rubber Seals Used in Flat-Plate Solar Collectors
D3771-15(2022)	Standard Specification for Rubber Seals Used in Concentrating Solar Collectors
G7-05	Standard Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials
G151-19	Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G155-25	Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials

D412-16(2021)	Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers—Tension
D865-11(2025)	Standard Test Method for Rubber—Deterioration by Heating in Air (Test Tube Enclosure)
D395-18(2025)	Standard Test Methods for Rubber Property—Compression Set
C719-22	Standard Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle)
C661-15(2022)	Standard Test Method for Indentation Hardness of Elastomeric-Type Sealants by Means of a Durometer
C717-25	Standard Terminology of Building Seals and Sealants

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