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Significance and Use
5.1 These practices provide means of preparing small quantities of resin solution (in some procedures in an inert gas atmosphere using uniform, controlled heating).
5.2 This practice provides quick ways to prepare a resin solution for quality control testing during the manufacture of resin solutions and vehicles. Samples can usually be prepared in approximately 30 to 45 minutes or less.
5.3 These practices can be used to prepare commonly specified ink test solutions such as 33.3 % resin in alkali refined linseed oil, and 50 % resin in heat-set ink solvent (that is, C12 to C16 hydrocarbon petroleum distillate with initial boiling point (IBP) about 470°F).
1.1 These practices describe laboratory procedures for preparing an oil-based ink resin solution in a high-boiling solvent using four pieces of lab equipment:
(1) A hot oil bath (Sectionsto ),
(2) A stirrer/hot plate (Sectionsto ),
(3) An industrial blender (Sectionsto ), and
(4) A hot air gun (Sectionsto ).
ASTM Subcommittee D01.37 recommends using the hot oil bath procedure (Practice) where possible.
1.2 These practices use laboratory equipment generally available in a normal, well-equipped laboratory.
1.3 One or several of these practices allows for rapid resin solution preparation (under 30 min, typical), can regulate the maximum temperature, can be done under an inert atmosphere, and can prevent the random solvent loss during preparation.
1.4 These procedures are for use with ink resins intended mainly for oil-based offset and letterpress inks. The type of resins are typically, but not limited to C9 aromatic hydrocarbon resins, modified dicyclopentadiene resins, rosin pentaerythritol or glycerine esters, phenolic modified rosin esters, maleic anhydride modified rosin esters, and naturally occurring resins such as gilsonite.
1.5 The typical high boiling solvents to be used include C12 to C16 petroleum distillates, 2,2,4 trimethyl 1,3-pentanediol di-isobutyrate, alkali refined linseed oil, tridecyl alcohol, or combinations of the above.
1.6 To avoid fire or injury, or both, to the operator, these practices should not be used with low flash point solvents such as toluene or xylene. The minimum flash point of the solvents used should be 60°C (140°F) as determined by Test Method . (Warning—Users of this practice should be aware that the flash point of many solvents used for this test (as defined in Test Methods and ) is exceeded in the heating cycle of this test method. Take safety precautions since there is the potential for vapor ignition. Do the methods outlined in a shielded exhaust hood, where there is access to a fire extinguisher if needed.)
1.7 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.8 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. For specific hazard statement see .
1.9 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.
D56 Test Method for Flash Point by Tag Closed Cup Tester
D1310 Test Method for Flash Point and Fire Point of Liquids by Tag Open-Cup Apparatus
D1725 Practice for Preparing Resin Solutions for Viscosity Measurement by Bubble Time Method
D5062 Test Method for Resin Solution Dilutability by Volumetric/Gravimetric Determination
D5597 Practice for Preparation of Oil-Based Ink Resin Solutions Using a Hot Oil Bath
E1 Specification for ASTMLiquid-in-Glass Thermometers
E230 Specification for Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples
ICS Number Code 87.080 (Inks. Printing inks)
UNSPSC Code 13111000(Resins)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D5958-99(2020), Standard Practices for Preparation of Oil-Based Ink Resin Solutions, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top