Designation: D – 97 (Reapproved ) Standard Test Methods for. ASTM D – Standard Test Methods for Viscosity of Adhesives. Scope: These test methods cover the determination of the viscosity of free-flowing. ASTM D Standard Test Methods for Viscosity of Adhesives.
|Published (Last):||27 December 2011|
|PDF File Size:||1.79 Mb|
|ePub File Size:||12.39 Mb|
|Price:||Free* [*Free Regsitration Required]|
This practice covers two procedures applicable to all adhesives having a relatively short working life.
This test method covers measurement of the comparative tack of pressure-sensitive adhesives by a rolling ball and is most appropriate for low-tack adhesives. Two methods are described as follows:. It is intended to determine whether the working life conforms to the minimum specified working life of an adhesive required by consistency tests qstm by bond strength tests, or by both. When properly conducted, the test will enable detection of molecular layers of hydrophobic organic 1d084. This test method covers the measurement of the apparent viscosity of shear-rate-dependent adhesives.
ASTM D – 08 Standard Test Methods for Viscosity of Adhesives
For materials which absorb the test liquid under the specified test conditions, the rate of change of the contact angle as a function of time may be significant, and may be asfm using procedures described in this test method. Transfer efficiency is the ratio of paint solids deposited to the total paint solids used during the application process, expressed as a percent.
In Test Method Athe Wet Film Thickness Gage English or Metric graduation is used to measure wet film thicknessed up to 60 mils on the English v1084 series, and up to mm on the metric scale series.
The test method is not recommended for ethyl cellulose, nonrigid poly vinyl chloridepoly vinylidene chlorideor other materials having a wide Vicat softening range. This test method is not applicable to coatings that will be readily deformable under the load of the measuring instruments, as the instrument probe must be placed directly on the coating surface to take a reading.
This test method covers the determination of the viscosity of Newtonian or near-Newtonian paints, varnishes, lacquers, and related liquid materials with the Ford-type efflux viscosity cup. This test method measures the angle of contact when a drop of liquid is applied to the surface of a specimen of paper. The uncertainties astk extrapolation should be considered in deciding upon the length of the test. Procedures A and C are not recommended for films less than 0.
This test method covers measurement of the contact angle of water droplets on corona-treated polymer film surfaces. This practice covers a means by which the storage life of an adhesive can be measured using viscosity and adhesive performance testing. This test method covers determination of the temperature at which a specified needle penetration occurs when specimens are subjected to specified controlled test conditions.
Where test liquids other than reagent water are used, the actual liquid used is reported. For such adhesives, tack may be measured as the force required to separate adhesive and adherend at the interface shortly after they have been brought into contact under a defined load of known duration at a specified temperature. The procedures covered are as follows:.
This test method covers the determination of the creep properties of adhesives for bonding metals when tested on a standard specimen and subjected to certain conditions of temperature and compressive stress in a spring-loaded testing apparatus. Hand-held micrometer for measuring coatings applied to plane rigid surfaces.
Limitations include the ability to accurately determine the amount of paint solids deposited on the part and the capability of accurate measurement of the amount of paint sprayed. Additional instruments that can perform the procedure in this test method may also provide equivalent results. The test method provides a visual evaluation to relate troweled bead profile and trowel pickup.
There is no similar or equivalent ISO standard. This test method covers the non-destructive measurement of the dry film thickness of electrically nonconductive coatings applied over a nonferrous metal base using commercially available eddy current instruments. These test methods cover the determination of the transfer efficiency of spray-applied coatings under general plant conditions. The test method may be used with any liquid of interest, which is compatible with the equipment used, particularly with regard to liquid viscosity, tackiness, and vapour pressure evaporation.
This test method is applicable to both gun and knife grades. Conditions are specified for the testing of a wide range of papers considered to be of low absorbance or non-absorbent, including release papers, sized, coated, or un-sized papers designed for printing, writing, wrapping, and similar tasks where the paper surface interaction with aqueous or solvent based inks or other aqueous or non-aqueous liquids is important.
This test method covers the determination of the comparative peel or stripping characteristics of adhesive bonds when tested on standard-sized specimens and under defined conditions of pre-treatment, temperature and testing machine speed. This test method covers a procedure for the determination of the tack-free time property of single- and multi-component elastomeric sealants commonly used for sealing, caulkingand glazing in buildings and related construction.
This test method covers testing of the components of mechanical pump dispensers spray or flow types for compatibility with consumer-type products. Two types of apparatus for measuring the contact angle using the procedure in this test method are described.
The conditions required in this test method specify reagent water as the test liquid when testing papers designed to be absorbent, such as absorbent tissue grades. This test method covers the determination of the quantity of adhesive solids applied in a spreading or coating operation. Sealants requiring slight heating to facilitate extrusion from the cartridge or gun are also described by this test method.
This test method covers the determination of the creep properties of adhesives for bonding metals when tested on a standard specimen and subjected to certain conditions of temperature and tensile stress in a spring-loaded testing apparatus. A standard liquid ink for making measurements is described. This practice covers the determination of the amount of creep of metal-to-metal adhesive bonds due to the combined effects of temperature, tensile shear stress, and time.
The test method is applicable to those adhesives which form a bond of measurable strength rapidly upon contact with another surface and which can be removed from that surface cleanly, that is, without leaving a residue visible to the eye. In such cases, test liquids other than reagent water, including writing and printing inks, or organic liquids or mixtures of organic liquids may be used as the test liquid upon prior agreement of those involved in the testing, provided the liquid is compatible with the equipment used.
A different procedure using an automated instrument for asstm angle of contact can be found in ASTM D This test method may be used with any substrate of interest, which can be cut to dimensions compatible with the equipment used. These test methods apply to general plant production equipment and procedures. This test method covers the determination of the tack-free time property of satm compounds and sealants.
This test method covers the measurement of Krebs Unit KU viscosity to evaluate the consistency of paints and related coatings using the Stormer-type viscometer.
VISCOSITY CUP ASTM D1084 D4212 IMMERSION ZAHN
This test method covers the detection of the presence of hydrophobic non-wetting films on surfaces and the presence of hydrophobic organic materials in processing ambients. These test methods cover direct-current procedures for the determination of dc insulation resistance, volume resistance, volume resistivity, surface resistance, and surface resistivity of electrical insulating materials, or the corresponding conductances and conductivities.
On very rough or porous surfaces, the sensitivity of the test may be significantly decreased.
Standard Practice for Conducting Creep Tests of Metal-to-Metal Adhesives This practice covers the determination of the amount of creep of metal-to-metal adhesive bonds due to the combined effects of temperature, tensile shear stress, and time.
Measurements are applicable to spindle, disk, T-bar and coaxial cylinder viscometer. The minimum thickness required for Ashm B and D is a function of that required to enable removal of the sample as a free film. This test method is applicable to self-levelling and non-sag grades of sealant. Other liquids including printing inks, writing inks, adhesives, oils, and coating materials may be used upon agreement of those involved in the testing being done.