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    ASTM D3841 - 21

    Standard Specification for Glass-Fiber-Reinforced Polyester Plastic Panels

    Active Standard ASTM D3841 | Developed by Subcommittee: D20.24

    Book of Standards Volume: 08.03

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    This specification covers glass-fiber reinforced polyester plastic panels intended for use in construction. Light transmitting panels covered by this specification are divided into two types, based on relative response to a laboratory flammability test: Type CC1 for limited flammability and Type CC2 for general purpose. These types may be further subdivided by grades based on relative response to weathering tests: Grade 1 for weather resistance and Grade 2 for general purpose. The polyester resin used in the panels shall be a thermosetting styrenated and acrylated polyester resin composed of polymeric esters in which the recurring ester groups are an integral part of the main polymer chain. The resin shall be reinforced with glass fibers. The polyester resin may contain additives for various purposes. The materials shall be tested for water absorption, tensile strength, linear thermal expansion, and flexural strength.

    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 classification, materials of construction, workmanship, minimum physical requirements, and methods of testing glass-fiber reinforced polyester plastic panels intended for use in construction. Panels for specialized or unique applications have the potential to require values significantly above or below those stated in this specification. Recommended practices for certain specific applications are included as Appendix X1. This specification is not intended to restrict or limit technological changes affecting performance when those changes are agreed upon between the purchaser and the seller.

    1.2 Supplementary information on chemical resistance, resistance to heat, and installation practices are provided in Appendix X1.

    1.3 The classification of these plastic panels into types based on relative response to a laboratory test shall not be considered a fire hazard classification.

    1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

    1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in Tables and Figures) shall not be considered as requirements of this standard.

    1.6 Fire properties are determined by using laboratory flammability tests (Test Methods D635, D1929, and E84).

    1.6.1 This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products or assemblies under actual fire conditions.

    1.6.2 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.

    1.7 The following precautionary caveat pertains only to the test method portion, Section 8 of this specification. This specification 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 specification to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    Note 1: There is no known ISO equivalent to this standard.

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

    ASTM Standards

    D570 Test Method for Water Absorption of Plastics

    D618 Practice for Conditioning Plastics for Testing

    D635 Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position

    D638 Test Method for Tensile Properties of Plastics

    D696 Test Method for Coefficient of Linear Thermal Expansion of Plastics Between 30C and 30C with a Vitreous Silica Dilatometer

    D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

    D883 Terminology Relating to Plastics

    D1435 Practice for Outdoor Weathering of Plastics

    D1494 Test Method for Diffuse Light Transmission Factor of Reinforced Plastics Panels

    D1600 Terminology for Abbreviated Terms Relating to Plastics

    D1929 Test Method for Determining Ignition Temperature of Plastics

    D3892 Practice for Packaging/Packing of Plastics

    D4364 Practice for Performing Outdoor Accelerated Weathering Tests of Plastics Using Concentrated Sunlight

    E72 Test Methods of Conducting Strength Tests of Panels for Building Construction

    E84 Test Method for Surface Burning Characteristics of Building Materials

    E631 Terminology of Building Constructions

    E831 Test Method for Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis

    E903 Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres

    E972 Test Method for Solar Photometric Transmittance of Sheet Materials Using Sunlight

    E1084 Test Method for Solar Transmittance (Terrestrial) of Sheet Materials Using Sunlight

    E1175 Test Method for Determining Solar or Photopic Reflectance, Transmittance, and Absorptance of Materials Using a Large Diameter Integrating Sphere

    G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests

    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 Code

    ICS Number Code 83.120 (Reinforced plastics)

    UNSPSC Code

    UNSPSC Code 30161505(Panels or paneling)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D3841-21

    Citation Format

    ASTM D3841-21, Standard Specification for Glass-Fiber-Reinforced Polyester Plastic Panels, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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