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Significance and Use
Several test methods are noted for viscosity determination of Newtonian and near Newtonian flow characteristics. (For adhesives not fitting into this category, Test Method D 2556
Method A is applicable only to adhesives that will deliver 50 mL in a steady uninterrupted stream from one of the cups described in Section 5.
Method B is intended for measuring the viscosity of adhesives covering a range from 0.05 Pa · s to 200 Pa · s
(50 to 200 000 cP) and is limited to materials that have or approach Newtonian flow characteristics.
Method C is intended primarily as a control method for determining the viscosity of adhesives that have or approach Newtonian flow characteristics.
Method D is intended primarily as a control method for determining the viscosity of materials that have an equivalent viscosity no greater than approximately 3000 cP and is limited to materials that have or approach Newtonian flow characteristics.
1.1 These test methods cover the determination of the viscosity of free-flowing adhesives.
1.1.1 The limitation of this test method to self-leveling adhesives eliminates thixotropic and plastic materials whose viscosity is a function of the rate of stirring and previous history of the adhesive.
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
1.3 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.
D88 Test Method for Saybolt Viscosity
D115 Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation
D562 Test Method for Consistency of Paints Measuring Krebs Unit (KU) Viscosity Using a Stormer-Type Viscometer
D907 Terminology of Adhesives
D1200 Test Method for Viscosity by Ford Viscosity Cup
D1545 Test Method for Viscosity of Transparent Liquids by Bubble Time Method
D1601 Test Method for Dilute Solution Viscosity of Ethylene Polymers
D2556 Test Method for Apparent Viscosity of Adhesives Having Shear-Rate-Dependent Flow Properties
ISO DocumentISO2555 Plastics -- Resins in the Liquid State or as Emulsions or Dispersions -- Determination of Apparent Viscosity by the Brookfield Test Method
ICS Number Code 83.180 (Adhesives)
UNSPSC Code 31201601(Chemical adhesives)