ASTM D3832 - 79(2011)

    Standard Specification for Rubber Seals Contacting Liquids in Solar Energy Systems

    Active Standard ASTM D3832 | Developed by Subcommittee: D11.37

    Book of Standards Volume: 09.02


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    Abstract

    This specification covers the general requirements for materials used in preformed rubber seals that contact the circulating liquid in solar energy systems. Rubber seal can be classified into types, grades and classes. It has two kinds according to what climate they should be used: Type C which is intended for use in cold climates and Type W which is intended for use in warm climates. Its grade designations represent differing degrees of hardness such as Grade 3, Grade 4, Grade 5, Grade 6, Grade 7 and Grade 8. As for the classes, it should be determined into 3 kinds. Class A for seals used with aqueous liquid at a certain maximum service temperature. Class AT for seals used with aqueous liquids at an above maximum service temperature and class N for use with nonaqueous liquids. Different tests shall be conducted in order to determine the following properties of rubber seals in liquid heat-transport systems: compression, resistance to heating, hardness, ultimate elongation, volume, resistance to ozone, resistance to low temperature, and resistance to liquid.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers the general requirements for materials used in preformed rubber seals that contact the circulating liquid in solar energy systems. Particular applications may necessitate other requirements that would take precedence over these requirements when specified.

    1.2 This specification does not include requirements pertaining to the design, fabrication, or installation of the seals.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D395 Test Methods for Rubber Property--Compression Set

    D412 Test Methods for Vulcanized Rubber and Thermoplastic Elastomers--Tension

    D471 Test Method for Rubber Property--Effect of Liquids

    D1149 Test Methods for Rubber Deterioration--Cracking in an Ozone Controlled Environment

    D1229 Test Method for Rubber Property--Compression Set at Low Temperatures

    D1349 Practice for Rubber--Standard Temperatures for Testing

    D1415 Test Method for Rubber Property--International Hardness

    D1566 Terminology Relating to Rubber

    D2137 Test Methods for Rubber Property--Brittleness Point of Flexible Polymers and Coated Fabrics

    D3182 Practice for Rubber--Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets

    D3183 Practice for Rubber--Preparation of Pieces for Test Purposes from Products

    Other Standards

    RMAHandbook—Ru


    ICS Code

    ICS Number Code 21.140 (Seals, glands)

    UNSPSC Code

    UNSPSC Code 31410000(Seals)


    DOI: 10.1520/D3832-79R11

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