ASTM D4690 - 12

    Standard Specification for Urea-Formaldehyde Resin Adhesives

    Active Standard ASTM D4690 | Developed by Subcommittee: D14.30

    Book of Standards Volume: 15.06


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    Abstract

    This specification covers three types of urea-formaldehyde thermosetting resin adhesives suitable for use on wood, wood-based substrates, or plastic laminates. The requirements for the adhesive are based on tests of physical properties including viscosity, density, nonvolatile content, pH, insoluble matter, amylaceous matter, mixing properties, working life, and on strength properties, including dry shear strength in lumber-type joints, dry and wet shear strength in plywood-type joints, and all strength tests at the end of the storage life certified by the manufacturer. Testing procedures are specified to differentiate between the physical and adhesive bonding properties of the many commercial urea-formaldehyde thermosetting resin and catalyst systems. The adhesive bonding properties are measured on maple block and birch plywood specimens, prepared and tested in accordance with prescribed methods.

    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.

    Significance and Use

    1. Scope

    1.1 This specification covers three types of urea-formaldehyde thermosetting resin adhesives suitable for use on wood, wood-based substrates, or plastic laminates.

    1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information only.

    1.3 The requirements for the adhesive are based on tests of physical properties including viscosity, density, nonvolatile content, pH, insoluble matter, amylaceous matter, mixing properties, working life, and on strength properties, including dry shear strength in lumber-type joints, dry and wet shear strength in plywood-type joints, and all strength tests at the end of the storage life certified by the manufacturer.

    1.4 The following safety hazards caveat pertains only to the test method portion, Sections 8 through 11, 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 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.

    ASTM Standards

    B417 Test Method for Apparent Density of Non-Free-Flowing Metal Powders Using the Carney Funnel

    D905 Test Method for Strength Properties of Adhesive Bonds in Shear by Compression Loading

    D906 Test Method for Strength Properties of Adhesives in Plywood Type Construction in Shear by Tension Loading

    D907 Terminology of Adhesives

    D1084 Test Methods for Viscosity of Adhesives

    D1489 Test Method for Nonvolatile Content of Aqueous Adhesives

    D1490 Test Method for Nonvolatile Content of Urea-Formaldehyde Resin Solutions

    D1583 Test Method for Hydrogen Ion Concentration of Dry Adhesive Films

    D1875 Test Method for Density of Adhesives in Fluid Form

    D2556 Test Method for Apparent Viscosity of Adhesives Having Shear-Rate-Dependent Flow Properties

    D5266 Practice for Estimating the Percentage of Wood Failure in Adhesive Bonded Joints

    E70 Test Method for pH of Aqueous Solutions With the Glass Electrode

    E104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions

    Military Standard

    MIL-STD-129 Marking for Shipment and Storage

    Federal Specifications

    PPP-D-729 Drums, Shipping and Storage, Steel, 55-gal (208-L)

    Federal Standard

    FED-STD-123 Marking for Shipment


    ICS Code

    ICS Number Code 83.180 (Adhesives)

    UNSPSC Code

    UNSPSC Code 31201601(Chemical adhesives); 13111000(Resins)


    DOI: 10.1520/D4690-12

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