We stock the complete collection of positector coating thickness gauges and a full range of other instruments, dry film gauges, paint test instruments, equipment and many other products. Oct 05, 2017 the elcometer 500 coating thickness gauge incorporates state of the art electronics and measurement technology to accurately and reliably measure up to 9mm 355mils of coatings on concrete, or. If you have entered a sign in name then the password reset email will be sent to the email address linked to your sign in name. Jotafloor easy painting guide for concrete floors brochure. The dry film thickness and quantity of material required for a certain fire resistance time r 30, 60, 90, 120 minutes or more depends upon various factors. In particular, pspc introduced the concept of a minimum dry film thickness dft based on the 90. Fast and accurate, the elcometer 500 coating thickness gauge takes repeatable and reproducible dry film thickness measurements of coatings on concrete up to 10mm thick without damaging the. The elcometer 456 dry film thickness gauge is available in three different models. D1005 test method for measurement of dry film thickness of organic coatings. Wet and dry film thickness formulae easily convert and calculate the wet and dry film thickness and coverage of coatings applied to a substrate.
The elcometer 500 coating thickness gauge accurately measures the thickness of coatings on concrete and other similar substrates non destructively. The nondestructive measurement of dry film thickness on concrete is now more accurate, faster and easier, thanks to the new elcometer 500 coating thickness. Method and device for measuring the thickness of films by w. Coating thickness gauges dry film thickness dft defelsko. Micrometer method for dry film thickness of organic paint coatings astm d1005 test method astm d1005 covers the measurement of film thickness of dried films of paint, varnish, lacquer, and related products using handheld or stationary micrometers. This eliminates the need to repair the coating after inspection, saving time for both the inspector and the contractor. A new sspc paint application standard is being prepared to help the user.
Polyurethane coatings are mostly used as top coats over epoxy coatings. Coating thickness gauge, mil gauge, paint thickness gauge as an essential business, checkline will remain open to support critical infrastructure and manufacturing industries during the covid19 pandemic. As indicated above, the quality of the incision in the film discloses much about characteristics of brittleness and adhesion of the material. One mil is onethousandth of an inch, about onequarter the thickness of human hair. How do you measure wet film thickness on shopapplied organic zincrich primers to accurately predict dry film thickness. Home coating inspection equipment paint inspection coating thicknessdry film coating thicknessdry film dry film thickness gauges are available in any combination of basic, limited memory and full batching,as well as either integral built in probes or separate probes to meet your needs andor your specifications. Features flexible encapsulated epolymers for a beautiful, smooth waterproof finish.
Dry film thickness is probably the most critical measurement in the coatings industry because of its impact on the coating process, quality and cost. Positector 200 measures coatings drywall, concrete, wood. Measure coatings on concrete using the elcometer 500. The positector 200 coating thickness gage for concrete, wood and other nonmetal substrates has been redesigned to include new features, new measurement ranges and new models.
Concrete coating thickness gauges also referred to as a paint meter is used to measure dry film thickness. Allow an undercoating interval of at least 24 hours. These types of gages can accurately measure the dry film thickness of organic coatings on a variety of substrates such as concrete, wood, wallboard, plastic, fiber composites and metal. Fiber reinforcement is recommended for roof deck, concrete gutter, toilets and other areas where theres possible immersion in water. Available in standard and advanced gauge bodies, and separate or integral probes for measuring coatings. Tested to astm d7088 resistance to hydrostatic pressure and astm d6904. Sep 01, 2017 wet film thickness gages are used to monitor the thickness of the applied wet coating to achieve a specified dry film thickness.
Dry film thickness dft 6 mils why does concrete often require a coating instead of paint. Acceptable dry film thickness range corrosionpedia. Jan 14, 2019 the elcometer 500 coating thickness gauge can also measure film thickness on substrates including plasterboard, drywall, concrete block, brick etc. This can consist of a single layer or multiple layers. Paint type dry film coverage material dry to dry to cleanup thickness sfgal cost touch recoat mils. They measure all types of wet organic coatings, such as paint, varnish, and lacquer on flat or curved, smooth surfaces. Best outdoor paint for patios and concrete take a good look at your porch, the floor of your garage and basement, and other concrete walkways throughout your home.
In addition to the benefits as a dry film thickness gauge, the tooke paint inspection gage inspection gauge. Measuring dry film thickness dft on concrete substrates bamr. Jul 17, 2018 acceptable dry film thickness range is the value of a coating thickness that is within the minimum and maximum thickness set for each layer of cured protection coating. In my opinion, a dft of 610 mils of paint on most industrial equipment is far too much. First of all, due to ewcs performance properties, they are designed to apply at much heavier wet and dry film thickness compared to conventional paints, roughly about six to eight times thicker than regular paints. Dry film and material thickness testing, inspection. Redgard elastomeric waterproofing paint redgard coating. Elcometer 141 paint inspection gauge the new elcometer 311 automotive paint meter. This number goes up as the film thickness goes down.
Use it to calculate how much paint you need to buy. Because protection issues like corrosion, alkalinity, moisture protection and infiltration prevention are often. Best outdoor paint for patios and concrete the home depot. Each paint is formulated to attain a certain thickness, measured in mils, when brushed or rolled out. Standard test method for measurement of dry film thickness of thin film coilcoated systems by destructive means using a boring device. Astm d6237 19 standard guide for painting inspectors concrete. The tooke paint inspection gage iv is a precision tool for inspection and dry film thickness measurement in accordance with astm d48 of single or multiple coats on any substrate, and for microscopic observation and measurement of substrate and film defects.
The nondestructive measurement of dry film thickness on concrete is now more accurate, faster and much easier than ever before, thanks to the new elcometer. 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. In the case of paints, the film thickness you have after the paint dries is determined by the proportion of solids to liquid that are in the paint. Measuring dry film coating thickness according to sspcpa. Dry film thickness can be measured on either magnetic steel surfaces or nonmagnetic metal surfaces such as stainless steel or aluminium using a digital coating thickness gauge. D48 practices for measurement of dry film thickness of protective coating systems by destructive, crosssectioning means. Specifically formulated to resist mildew growth on the dry paint film, with the incorporation of a biocide. Standard practices for producing films of uniform thickness of paint, coatings and related products on test panels. Coating thickness or as it is sometimes otherwise referred as dry film thickness dft is probably the most important measurement that is made when applying and inspecting protective coatings. Defelskos positector 200 coating thickness gage is ideal for nondestructively measuring the dry film thickness of coatings on concrete and masonry substrates. The paint shall produce a film which is smooth, uniform, and free. If you have entered an old account number the password reset email will go to the web account owner.
Astm d62 2017 standard test method for nondestructive. Fast and accurate, the elcometer 500 coating thickness gauge takes repeatable and reproducible dry film thickness measurements of coatings on concrete up to 10mm thick without damaging. The problem with meeting dry film thickness specifications. Defelskos positector 200 coating thickness gage is ideal for nondestructively measuring the dry film thickness of coatings on concrete and masonry. Jul 01, 20 the sspc committee on dry film thickness measurement began revising and updating the 2004 version in 2007. Our shop applies a great deal of oz primer, and we have found that wft readings with a standard gauge are not accurate predictors. Coating thicknessdry film coating inspection equipment. If these surfaces are looking dingy and unkempt, consider giving them a makeover with a fresh coat of paint. Coating thickness or dry film thickness dft is an important variable that plays a role in product quality, process control, and cost control. The bottom end of the thickness gauge has a set of reference planes in the center, and the difference between the plane and the substrate read by the probe is the film thickness. A correct paint or coating thickness is an important parameter in the surface treatment industry. The performance of a coating system is based upon correct application of this system following the paint manufacturers specification sheet. Measuring dry film thickness dft on concrete substrates craig woolhouse. Coating thicknessdry film coating thicknessdry film dry film thickness gauges are available in any combination of basic, limited memory and full batching,as well as either integral built in probes or separate probes to meet your needs andor your specifications.
These probes expand on the technology of the elcometer 456 and elcometer 355 gauges, and provides each gauge with the diverse versatility required to get the job done. Dft is measured for cured coatings after the coating dries. D7091 standard practice for nondestructive measurement of dry film thickness of nonmagnetic coatings applied to ferrous metals and nonmagnetic, nonconductive coatings applied to nonferrous metals dry film thickness nondestructive test eddy current gages magnetic gages nonconductive coatings nonmagnetic coatings ferrous alloys. D1005 test method for measurement of dry film thickness of organic coatings using micrometers. Calculating and measuring wet film thickness wet film thickness, or wft is the measured thickness of any applied wet paint that is liquidbased. A wet film thickness gage should be used by the applicator as the coating is being applied to ensure that the measurement is representative of the calculated wet film before significant solvent. Nov 05, 2018 dry film thickness dft is the thickness of a coating as measured above the substrate. The total thickness of the substrate and coating is measured. Each layer from primer to topcoat and individual intermediate layers are exactly specified with a minimum and maximum coating thickness. Though polyurethane has many advantages over epoxy, it does not bond well to concrete and its thin dry film thickness will not work well as a selfleveling coating. It provides vital information as to the expected life of the substrate, the products fitness for purpose, its appearance and ensures compliance with a host of international standards.
Although there are several types of gauges used to measure mill thickness, this common tool has notches spaced at one mill increments. Astm d62 latest version, standard test method for nondestructive measurement of dry film thickness of applied organic coatings using an ultrasonic gage, astm international,westconshohocken, pa. Elcometer 500 coating thickness gauge for concrete. Download citation measuring dft of concrete coatings various reliable and. In 1947, elcometer launched one of the worlds first nondestructive. Dft instruments are the official uk agent for coating thickness gauge manufacturer defelsko. Fast and accurate, the elcometer 500 coating thickness gauge takes repeatable and reproducible dry film thickness measurements of coatings on concrete up.
Watch how to use this gauge to measure dry thickness of coatings on concrete floors. Dry film thickness m dry film thickness m dry film thickness m dry film thickness m dry film thickness m dry film thickness m tip all paint products need time to cure. Fast and accurate, the elcometer 500 concrete coating thickness gauge takes repeatable and reproducible dry film thickness measurements. Variability of dry film thickness of a coating applied by.
The principle of electromagnetic induction is used for non. The coating manufacturer may express the required thickness as wet mill thickness or dry film thickness, which simply refers to the thickness before or after the paint is dried. The sspc committee on dry film thickness measurement began revising and updating the 2004 version in 2007. The relationship between the applied wet film thickness and the final dry film thicknesses dft is determined by the percentage volume solids of the paint, i. D623719 standard guide for painting inspectors concrete and masonry. Intumescent paints efficient way of protection of steel. Coating thickness gauges stone tucker instruments inc. Thickness of a coating depends on the application and type of process employed. Epoxy coating application guide for concrete chemco systems. Draw down a mil thick wet film of the paint on a glass plate and allow to dry for 24 hours at standard conditions.
Choose from our selection of dry film thickness gauges, including digital coating thickness gauges, coating thickness gauges, and more. Coatings are designed to perform their intended function when applied within a tight dft range as specified by the manufacturer. Wet and dry film thickness formulae ultrimax store. Paint dry film thickness standards products finishing. Coating thickness gauges dry film gauge paint test. To prevent any damages on the paint surface, avoid any stress on the surface. D 48 measurement of dry film thickness of protective coating systems by destructive means d 4214 degree of chalking of exterior paint films d 4263 indicating moisture in concrete by the plastic sheet method d 4417 field measurement of surface profile of blast cleaned steel d 4414 measurement of wet film thickness of organic. Dry film thickness of intumescent products for structural steel is determined by the following factors. The thickness of the dry film can be measured, usually with an electromagnetic induction gauge. Wet film thickness gages are used to monitor the thickness of the applied wet coating to achieve a specified dry film thickness. Dry film thickness is probably the most critical measurement in the coatings industry.
Coating thickness gauge, mil gauge, paint thickness gauge. Fast and accurate, the elcometer 500 concrete coating thickness gauge takes repeatable and reproducible dry film thickness measurements of coatings on concrete up to 9mm thick without. Coating thickness on concrete concrete testing mtest. Measuring dry film thickness dft on concrete substrates. Measurement of film thickness can be accomplished by selecting the best mil gage for the particular application. Measurement of dry film thickness on concrete august 2017. Measures coating thickness over wood, concrete, plastics, composites and more. Now available as either standard or advanced models and your customers choice of 3 probes. D48 practices for measurement of dry film thickness of protective coating. Standard method of measurement of dry film thickness of protective coatings systems by destructive means, designation. Coating thickness gauges to measure paint thickness, anodizing, galvanizing and other coatings. This study investigates variation in the dry film thickness dft of a coating applied by roller coater on the surface of wood in real industrial conditions on a uv finishing line.
The measurement is read immediately after the coating is applied before evaporation takes place, and the final film thickness is computed from the known percentage of solids in the coating material. Precalibrated with 4 surface profiles, is designed to measure dry film thickness on shot or grit blasted substrates. This table gives the wet film thickness required for a specified coverage. Use of the elcometer 500 coatings on concrete gauge things to look out for when measuring the coating thickness on concrete substrates how to more effectively manage the results.
The tooke gage uses an illuminated 50power microscope equipped with a universal scope with a measuring. Acceptable dry film thickness range is the value of a coating thickness that is within the minimum and maximum thickness set for each layer of cured protection coating. Coating thickness gauge for wood, concrete, plastic and more. This paper focuses on the problems meeting specified dry film thickness dft, which is considered to be the best understood and the most objective element of coating application. Dry film thickness dft is the thickness of a coating as measured above the substrate. Coating thicknessdry film coating inspection equipment paint. Knowing the coating thickness of dry film is a critical measurement in the coating application process. They cannot be used as a complete system in itself. How to take accurate dft measurements on concrete with the. Measure coatings on concrete using the elcometer 500 coating. Paint, rapid dry waterborne traffic line, white, yellow and black. The latest edition of the standard procedure for determining conformance to dry coating thickness requirements is dated may 2012 and was made available to the industry in july 2012. Usually the percentage of solids by volume in a coating will be known.
Each coating thickness gauge provides the user with increasing functionality from the entry level elcometer 456 model b, to the top of the range elcometer 456 model t. Dry film thickness dft dry film thickness dft 6 mils why does concrete often require a coating instead of paint. Although much thicker, elastomerics have about the same 1015 years service life as regular acrylic paints, because the pigments and resins used in still break down. Generally speaking, higher quality paints have higher volume solids than do economy paints, and so they dry to a thicker film for a given spread rate. Dry film thickness gauges are available in any combination of basic, limited. The elcometer 500 coating thickness gauge accurately measures the thickness of coatings on concrete and other similar substrates like drywall plasterboard, cinder block, concrete block, brick, and other cementitious substrates. Apply 35 coats by brush or roller of redgard elastomeric waterproofing paint until a dry film thickness of 810 mils is attained. This measurement can be obtained from either destructive or nondestructive testing. The elcometer range of dry film thickness probes, provide reliable and accurate coating thickness measurements on almost any metal substrate, whether ferrous or nonferrous. D823 practices for producing films of uniform thickness of paint, varnish, and related products on test panels. Dry and wet film thickness gauge 126 3240 easy to use dry and wet film thickness gauge. These film thickness values were the same as those specified for painting our products.
Coating thickness gauge elcometer 500 elcometer dry. Dry film thickness dft or coating thickness is arguably the single most important. Please check the instructions for use of the coating or the material safety data sheet msds. Dry film gauges are available to measure film thickness of a nonconductive material on a ferrous substrate.
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