The rechargeable gloss meter or gloss tester uses reflected light for gloss measurement per iso. Gloss meter gloss meter 3 angle distributor channel. Zehntner gloss meters are made for use in the paint, plastics, paper, foil and metal industries and conform to many standards, including astm international worldwide standards. Astm d523 and iso 28 are the most commonly used standards that describe three measurement angles of gloss using a gloss meter. Standardisation in gloss measurement was led by hunter and astm american society for testing and materials who produced astm d523 standard test method for specular gloss in 1939. In the united states, three of the main standards of gloss measurement are the d523 specular gloss measurement, the d4039 reflection haze measurement of highgloss surfaces, and the d4449 measurement of the difference between surfaces of similar appearance.
The tqc sheen gloss meter allows the user to measure fast and simple accurate gloss levels on any flat surface. Gloss is measured in gloss units gu and is traceable to reference standards held at nist universal measurement angle. The gloss meter triangle is used to determine the gloss on a surface and measures the amount of reflected light. What gloss standard should i be using to measure gloss. This incorporated a method for measuring gloss at a specular angle of 60. It is also the ideal choice for a variety of substrates and industry sectors general gloss measurements. Tolerances for color and gloss allow quick passfail decisions in production. Astm d52308 standard test method for specular gloss free download as pdf. The pcegm 60plus gloss meter is a portable handheld 60 degree gloss meter.
This handheld, high specification glossmeter is perfect for use in many environments including both production areas and laboratories. Gloss is measured by directing a constant intensity light beam, at a fixed angle, on to the test surface and then. The meter is then placed on the test sample and a reading is taken. Byk gardner spectroguide sphere gloss color spectrophotometer colorimeter, gloss meter astm d523, d2244, d2457, e308, e1164 labequip. Astm designation d52389, standard test method for specular gloss, specifies how gloss is to be measured. We also invite you to download our pdf on the true color measurement. Such standards should be checked periodically for constancy by comparing with primary standards. Specifies the primary standard as black glass of refractive index 1. D523 d2457 thanks for your choice to purchase the f2 series meter. Gloss meter triangle for that perfect gloss evaluation the gloss meter triangle is ashm to perform the gloss measurement of various types of materials such as paint, paper, ceramics, plastics, and metals. It is possible, however, to use a sphere geometry spectrophotometer capable of both specular included sci and specular excluded sce re. Gloss measurement plastic testing other properties. Color sphere and 60 gloss are displayed at the same time. Astm d523 covers the measurement of the specular gloss of nonmetallic specimens for glossmeter geometries of 60.
Catalogue get information about new product launches, research, innovation and endeavors at presto. Gloss is measured in gloss units gu and is traceable to reference. In particular, gloss values for transparent films should not be compared with those for opaque films, and vice versa. Astm d523 and astm d2457 test standard for gloss assessment. The original values can be restored by optical polishing with cerium oxide.
Link to active this link will always route to the current active version of the standard. An astm designation number identifies a unique version of an astm standard. Categorizing gloss helped to quantify its subtleties and led to the. The serial of gt60 glossmeters are designed and manufactured according to international standard iso28, astmd523, din67530 and china standard gb9754, gb9966, gbt3891. Astm d52308 standard test method for specular gloss scribd. Measurement of sixtydegree specular gloss semantic scholar. Iso 28 and astm d523 the most commonly used standards describe three measurement angles to measure gloss across all surfaces. Astm d523 covers the measurement of the specular gloss of nonmetallic specimens for gloss meter geometries of 20, 60, and 85. The geometry of angles and apertures is chosen so that these procedures may be used as s52389 to measure the correction, illuminate the specimen perpendicularly and view at the incident angle with the receiver asrm specied in 6. Astm d52389, standard test method for specular gloss. For specimens with brush marks or similar texture effects, place them in such a way that the directions of the marks are parallel to the plane of the axes of the incident and reected.
Astm d523 describes three measurement angles to measure gloss across all surfaces. Byk gardner spectro2guide d8 color spectrophotometer. The astm d2457 standard test method is used to measure the gloss of solid plastics and plastic films opaque and transparent both. Template options can also provide nonflat surfaces and small. Gloss is a measure of how shiny, or reflective a material is at a specified angle based on refractive index. A portable spectrophotometer, gloss meter and a fluorimeter combined in one instrument byk gardner spectro2guide d8 color spectrophotometer colorimeter, gloss meter astm d523, d2244, d2457, e308, e1164 labequip. The appearance of your products surfaceno matter the materialdetermines its attractiveness, influences its functionality and conveys its premium value by showcasing the quality of your operations to customers.
Astm d523 08 standard test method for specular gloss. Jul 10, 2019 gloss astm d2457, astm d523 link to active this link will always route to the current active version of the standard. In this paper hunter also detailed the general requirements for a standardised glossmeter. Goniophotometer for specular gloss calibrations glossmeter. The novogloss 60 gloss meter is ideal for measuring gloss in most matt to high gloss finished applications. The measurement can be taken on a small surface, i. In accordance with astm d4039 haze is defined as the numeric difference. This standard is also available to be included in standards subscriptions. The definition of haze is equivalent to that of astm d4039. D523142018 standard test method for specular gloss nonmetallic test. To calibrate, adjust the instrument to read correctly the gloss of a highly polished standard, properly positioned and oriented, and then read the gloss of a. Specular gloss is a measure of the light reflected by the surface of a material.
Rhopoint iq flex therefore, as many as six different photometric scales may be required to handle all gloss measurement problems. Hg268 conforms to jjg696 first class gloss meter working requirement, corresponding with cie 19312 degree under cie c light source. Authorized wholesale dealer of glossmeter 60 degree glossmeter, gloss meter offered by insize india llp, ahmedabad, gujarat. Astm d523 test is used to measure light reflectiveness of paints, coatings and smooth surface materials. Intelligent gloss measurement with smart communication excellent repeatability and interinstrument agreement guaranteed intelligent auto diagnosis guarantees always accurate readings. Do not use soap solutions to clean standards, because ast, can leave a lm. Astm d523 and astm d2457 standard for gloss meter testing. Astm d3928 1998 usa test method for evaluation of gloss or sheen uniformity.
This instrument is a monoplane gonioinstrument with a fixed illuminator and a rotating sample table and receiver arm. Astm d523 standard gloss tester portable with 10 x 20mm measurement spot. Gloss is a visual impression resulting from surface evaluation. This coating and paint gloss meter measures the gloss units gu on a materials surface. Astm d523 14 standard test method for specular gloss. Astm d523, the most popular standard gloss measurement description 9, contains. Gloss meter features with 20, 60 and 85 degree angle, manufactured according to iso28 and gbt 9754. Hg268 conforms to jjg696 first class gloss meter working requirement, corresponding with. We measure gloss in gloss units gu and is traceable to reference standards held at nist germany, nrc canada or npl uk. Sep 05, 2019 astm d52389, standard test method for specular gloss. Any flat surface larger than the base of the glossmeter 45 x 145mm 1. Gloss measurement plastic testing other properties smithers. Glossmeter novogloss 60, gloss meter from rhopoint.
The gloss is the result of the moulding process and can be inherent to the. Oct 27, 2019 astm d52389, standard test method for specular gloss. This standard has been approved for use by agencies of the department of defense. Assuring the appearance, function, and quality of all kinds of surfaces with digital gloss testing. The gloss is significant for product and process development as well as for performance testing. Gloss can be inherent in the material, a result of the molding process, or a result of surface texture. The gloss measurement tool is available in different geometries depending on the type of surface. In particular, the international organization for standards iso 28 3 and the american society for testing materials astm d523 4 describe the measurement. Gloss is determined by projecting a beam of light at a fixed intensity and angle onto a surface and measuring the amount of reflected light at an equal but opposite angle there are a number of different geometries available for gloss measurement, each being dependent on the type. Astm international astm d52308 standard test method for. Angles of sources and receptors compliant with astm d523. Gloss meter triangle for that perfect gloss evaluation the gloss meter triangle is used to perform the gloss measurement of various types of materials such as paint, paper, ceramics, plastics, and metals. The astm d test method explains the measurement of gloss on nonmetallic samples for geometries of 20, 60 and 85 degrees.
The reason gloss is measured using 3 different geometries, 20, 60, and 85, is to provide clear differentiation from low gloss to high gloss levels. The astm method prescribes the illuminator and receiver apertures that are to be used. Jul 21, 2017 astm d523 standard test method for specular gloss describes the procedures for measuring gloss of nonmetallic specimens at 20, 60, and 85. Jun 01, 2008 astm d1834901995e1 standard test method for 20 o specular gloss of waxed paper january 1, 2000 astm international 1. In 1999, the goniophotometer was updated, automated, and characterized to ensure proper operation and to verify agreement with the iso and astm standards for specular gloss of nonmetallic samples. Typically measurements will be taken on a flat, homogeneous and clean surface. It is possible, however, to use a sphere geometry spectro photometer capable of both specular included sci and specular excluded sce re. Apr 25, 2018 the astm d523 and astm d2457 test standard for gloss assessment is the most used standardization across a wide range of test instruments. Astm d standard test method for specular gloss astm international offers global access to standards development for over participating countries. Byk gardner microgloss 60 4561 60 degree gloss meter. A study of the effect of aperture variation on glossmeter readings, including denitions of terms used in connection with specular gloss measurement, the fresnel equation in a form readily usable for.
Generally, glossmeters provide light at one angle or a combination of three angles. As a result, surface gloss and haze are product attributes that. For spectrophotometers capable of simultaneous scisce measurements, gloss can be reported. All of our product specifications listed on our website are generated from the 60. The geometry of angles and apertures is chosen so that these procedures may be used as follows. Astm d523 is a standard test method for specular gloss. Tqc gloss meters gl0010, gl0020, gl0030 product description the tqc gloss meter allows the user to measure fast and simple accurate gloss levels on any flat surface.
Astm d standard test method for specular gloss of plastic films and solid plastics. The measurement results of a glossmeter are related to the. The gloss meter is available in different geometries to measure the specular reflection gloss of a surface or a material. Novogloss 60 glossmeter from rhopoint in stock for 24h. Astm d4039 1999 usa test method for reflection haze of high gloss surfaces. Gloss can also be affected by environmental factors such as weathering or surface abrasion. Astm d523 142018 standard test method for specular gloss. Just place the gauge, press the scan button and read the values. The astm d523 and astm d2457 test standard for gloss assessment is the most used standardization across a wide range of test instruments. Jul 14, 2019 astm d52389, standard test method for specular gloss. It is a direct measurement taken with a gloss meter. Gloss astm d2457, astm d523 link to active this link will always route to the current active version of the standard. The astm d523 test method explains the measurement of gloss on nonmetallic samples for geometries of 20, 60 and 85 degrees. Jun 18, 2019 the astm d test method explains the measurement of gloss on nonmetallic samples for geometries of 20, 60 and 85 degrees.
Whether it be paper, paint, plastic, wood or any other material. Measuring gloss retention in the coatings industryktatator. The gloss meter triangle is used on various types of materials like ceramics, paint, paper, plastics, and metals. The specular gloss measurement is performed for the light reflected from the material surface. Astm d2457 describes procedures for the measurement of gloss of plastic films and solid plastics, both opaque and transparent at 20, 45, 60, and 75. Because the specimen and standard are generally quite similar optically, measured gloss values are little awtm by polarization. It is also compatible with international standards of astm d523, astm d2457. Content introduction cautions 1externalstructuredescription 2operatinginstruction 2. Dec 27, 2019 gloss meter introduction industry standards astm. The gloss meter triangle is utilized to conduct gloss evaluation test on numerous category like coating layer, paper packaging, ceramics constructed crockery, plastic materials, and metallic substance.
Astm d523 standard gloss tester portable with 10 x 20mm. All angles measure at the same location, and the results appear simultaneously including statistics, difference, or passfail ideal for qc and checks in the field. Active standard astm d523 developed by subcommittee. The gloss values can be traced to the those of the national primary standards in simt in the p. The rechargeable gloss meter or gloss tester uses reflected light for gloss measurement per iso 28, gbt 9754, astm d523 and astm d2457 standards.
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