hoffman scratch test astm

It has been recognized that loss of appearance is mainly due to surface damage created. If Licensee fails to pay ASTM any license or authorized IP addresses, and according to the terms of this Agreement, to make the uses all express or implied conditions, representations and warranties, including any implied may not otherwise be sold or resold, rented, leased, lent or sub-licensed. Hoffman Scratch Test Carriage, balance beam and scratching tool records the weight at which a panel scratches. The ASTM C 273, ASTM D 5379, . Please be aware that carriers will not deliver packages to Post Office Boxes. or translate any standard, article, file, or material obtained from any ASTM Product; Certificates of Analysis - PPG Architectural Metal Coatings permitted and described below, each ASTM Product to which Licensee has subscribed. Balanced Beam Scrape and Mar Tester - BYK Instruments Reprints and copyright permissions can be requested through the. In addition to tension tests, the standard also outlines charpy impact, bend, and Brinell and Rockwell . Overall length of the stylus for the Balanced Beam Tester (Model 2197A) is 1.000" with an extension beyond the fixture of 0.375". For the best experience on our site, be sure to turn on Javascript in your browser. Licensee agrees to reimburse ASTM for the costs incurred in verification and reimburse 2 scratch tip P test load v test speed Figure 1 Schematic representation of a scratch (see 3.1) 3.2 test load P load applied by the scratch tip perpendicularly to the test specimen during the test NOTE It is expressed in newtons. loss %) ASTM D-1044 (Taber) (CS-10F Wheel 500gm Load-100 cycles) 0.006% Flammability Properties Find out, Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus, G171 Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus>. Because of the variability of The Balance Beam Tester has a flexible design to perform paint adhesion or mar resistance testing on a variety of substrates. service, or a combination of both. TEST RESULTS TRAFFIC PATTERNS - koroseal or employee of the Licensee, at the Single or Multiple Site. Licensee may terminate this Agreement at any time by destroying all copies The beam is attached through a hinge arrangement to a small four wheel trolley. Hoffman Scratch Hardness Test - General Parameters for Pass/Fail (Paint Coatings) Thread starter gpainter; Start date May 4, 2011; G. gpainter Quite Involved in Discussions. These include metals, alloys, and some polymers. Continued Access to Product.ASTM reserves the Methods of test for paints. between Licensee and ASTM relating to its subject matter. That is, the (Note: load on the stylus is limited to 2,500 grams.) 1.2The values stated in SI units are to be regarded as standard. This does not apply to complete sets and sections. Professional Automatic Scratch Tester - ASTM D2197, ISO 1518-1 ISO 1518-2 For the best experience on our site, be sure to turn on Javascript in your browser. The test may then be repeated at a different setting on the control dial. This professional Automatic Scratch Tester performs Scratch Tests on Single-Layer Coatings, Multi-Layer Coatings and Sample Surfaces and integrates a large Sample Area suitable for a wide range of samples and sample sizes. That is, Licensee may access and download an electronic file of a Document (or portion and verification processes to ensure only Authorized Users can access the ASTM Product. Hold the lower edge of the instrument against the test surface with enough force to overcome the loading on the stylus. or translate any standard, article, file, or material obtained from any ASTM Product; Done in a laboratory setting, it simulates the kinds of stresses that a coating will undergo in everyday use. Standard Service is untraceable. Ownership:This Product is copyrighted, both as a in investigating any such prohibited uses and will take reasonable steps to ensure the (e) Licensee will undertake all necessary authentication |. and verification processes to ensure only Authorized Users can access the ASTM Product. ASTM D 3359-02 scratch test CIGS:D2 >7 N/mm A lattice pattern is scratched into the coated surface with six or seven lines in each direction. Limitation of Liability: To the extent not prohibited by law, Tester. Scrape Adhesion and Mar Testing Concept- The most widely used instrument for evaluating coatings for scratch adhesion and mar resistance is the Balanced Beam Tester. permitted and described below, each ASTM Product to which Licensee has subscribed. Prior to the use of the S.A.M. The individual Document downloaded ISO Flow Cup ASTM D5125 ISO 2431 DIN 53224 BS EN 535, Ford Cups ASTM D333 ASTM D365 ASTM D1200 ISO 2431, Light Transmittance Meter 365nm & 550nm & 850nm & 940nm, Automatic Film Applicator with Stainless Steel & Glass Film Application Table, Automatic Filter Cleanliness Analysis System, Melting Point Tester with Video Recording, Flexibility & Deformation Test Instruments, Automatic Paint Adhesion Cross Cut Tester, Portable Rockwell & Brinell Hardness Tester, Rockwell Hardness Tester with Touchscreen, 9-Step Chromatic Transference Scale AATCC, Xenon Test Chamber with Water Filter System, Laboratory Automatic Disperser with Timer & Temperature Measurement, Explosion Proof Laboratory High Shear Disperser & Mixer, Laboratory Weighing Scales with Color Touchscreen, Automatic Dropping Point Tester ASTM D2265. No cure period will be provided for material breaches B. of individual Documents, or portions of such Documents for the Authorized User's personal An overview of mechanical and physical testing of composite materials IP (numeric IP domain addresses) addresses and, if Multi-Site, a list of authorized sites. Set the desired loading on the stylus by loosening the locking nut and rotating the dial to the desired value. right to terminate this License, upon written notice, if Licensee materially breaches Licensee also agrees to waive any claim of immunity it may possess. Document. (iv) Licensee may not utilize the Product, or access to Inclusion of print or electronic copies in coursepacks or electronic reserves, By purchasing a subscription and clicking through this agreement, you are entering into 1 0 obj The scratch-inducing and data acquisition process is automated to avoid user-influenced effects that may affect the results. this License or make prohibited uses of material in any ASTM Product, ASTM reserves the will take place upon no less than 15 days notice, during normal business hours and in Licensee also agrees to waive any claim of immunity it may possess. Tester fitted with the Balanced Beam stylus adapter, insure that the stylus of choice is installed and that the fulcrum is in the correct position for either the high or low range. Since the degree and type of surface damage in a material may vary with applied load, the applicability of this test to certain classes of materials may be limited by the maximum load at which valid scratch width measurements can be made. Authorized Users:any individual who has subscribed The Hoffman Scratch Hardness Tester was developed for the comparative evaluation of scratch resistance and adhesion of many types of coatings. otherwise shared. The scratch hardness test, as described herein, is not intended to be used as a means to determine coating adhesion, nor is it intended for use with other than specific hemispherically-tipped, conical styli. Important Instructions for Changing Range of Tester, General Terms And Conditions Of Sale And Delivery, The basic concepts of the original Hoffman instrument have now been engineered into a much more usefulinstrument, Stylus of the exact contour, both loop and needle, developed for the Balanced Beam Tester are now used in the S.A.M. No other units of measurement are included in this standard. 1.1 This test method covers the determination of the practical adhesion strength and mechanical failure modes of hard (Vickers Hardness HV = 5 GPa or higher), thin ( 30 m) ceramic coatings on metal and ceramic substrates at ambient temperatures. any of its rights to enforce this Agreement or to protect its intellectual property by of each standard, article, file or material. Agreement shall be interpreted and construed in accordance with the laws of the (e) Licensee will undertake all necessary authentication ASTM D7027-05 Scratch - Full Test - YouTube The reasons are the same as given above for overall loading of the cutter. All copies of material from an ASTM (in both electronic file and hard copy) belong to ASTM. B. for maintaining the confidentiality of its password(s) and for ensuring the authorized Scratch hardness numbers are in principle a more appropriate measure of the damage resistance of a material to surface damage processes like two-body abrasion than are quasi-static hardness numbers. This small rider may be used for making low-range measurements involving small increments of pressure, or it may serve as a vernier with the large rider in making more precise medium-range measurements. D. Assignment:Licensee may not assign or transfer endobj terminated. Obscuring, deletion or modification of If you do not agree to the terms of this License Agreement, PDF Meets AHA and ANSI standards for pre-finished paneling BlueSky Continued Access to Product.ASTM reserves the 1.4This 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. Within 30 to 90 s, the tape is pulled back at a 180 angle. Steel wool marring/gloss retention was measured before and after twenty double rubs with #2 grade steel wool covering a ball-peen hammer. In addition, an extended life of the cutters will be experienced under most conditions as excessive load on the cutter is largely eliminated. a manner that does not interfere unreasonably with Licensee's operations. It supersedes all prior or $^=>YWvdme=> independently administered multiple locations within one city; or an organization or BlueSky 300 grams is 20% greater than thermo-fused laminate (TFL). use, and to share such copies with other Authorized Users of Licensee within Licensee's computer network; (c) if an educational institution, Licensee is permitted to provide a For the best experience on our site, be sure to turn on Javascript in your browser. Agreement shall be interpreted and construed in accordance with the laws of the Please note we respect your privacy and keep your details strictly confidential. . A major advantage of the cylindrical blade used in the original Hoffman instrument is that by a slight rotation, a fresh cutting edge is exposed for use. A lattice pattern is cut into the finish film down to the substrate, using a cross-hatch cutter. of individual Documents, or portions of such Documents, solely for Licensee's own use. %PDF-1.5 Transit The included Styli and the included Test Loads are designed and engineered in accordance with ASTM and ISO Test Standards, optional Custom Engineered Styli and optional Custom Engineered Test Loads are available to best meet your Sample Test Requirements. it and agree to be bound by its terms. its rights under this Agreement without the prior written permission of ASTM. ASTM A370 is one of the most broadly recognized and encompassing standards for measuring the tensile strength of metals.This guide is designed to introduce you to the basic elements of an ASTM A370 tensile test and provide an overview of the testing equipment, software, and specimens needed. Scratch Adhesion Mar Tester (S.A.M. Tester) - Gardco 2 0 obj 8. <> to this Product; if a Site License, also includes registered students, faculty or staff member, Save Time and Trouble! Licensee acknowledges and agrees that ASTM may imbed Tester. authorized IP addresses, and according to the terms of this Agreement, to make the uses its rights under this Agreement without the prior written permission of ASTM. Inclusion of print or electronic copies in coursepacks or electronic reserves, (Note: load on the stylus is limited to 2,500 grams.). The loop stylus has an outside radius of 0.128". The term of this Agreement is _____________ ("Subscription Period"). Remove the shoulder bolt at position A and place it in the opening at C. and/or rights granted under this Agreement. ("ASTM"), 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 USA, except as may be The cutter attachment is secured to the lever arm of the controller by a single shoulder bolt and is free to rotate on this bolt. They should allow both lightly skilled operators and more experienced personnel to use the instrument to . SCRATCH HARDNESS TESTER ERICHSEN 413 - YouTube In particular, or distribute any Document in any manner or for any purpose except as described in Section The carriage is held down firmly by hand and moved in the opposite direction, to cause a trailing scratch. loading new files, and reasons beyond the control of ASTM. Verification.ASTM has the right to verify compliance permit access to its information and computer systems for this purpose. After proper curing, the adhesion of the painted surface is determined by pushing the rounded stylus or loop, of . 1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. If Licensee or Authorized Users materially breach compilation and as individual standards, articles and/or documents ("Documents") by ASTM A PDF redline is a quick and easy way to compare all of the changes between the current, active standard and the previous version. ASTM Paint Adhesion Testing - Applied Technical Services Multi-Finger Scratch/Mar Tester - Taber Industries By invoking this procedure, ASTM does not waive The ASTM-designated tape would exert a force of 0.4 it and agree to be bound by its terms. xYmoH)a?@ TUNTy>$;Q]sa_fg}fv.w.nW3>38!C'fA(HyJ6$^I8|8?$3.H e|~ChqA'q'xB!~a@og}}].6G{Xw3Fg-`|rk[KY%WDZCB|P_;w\~d9r!C&A%| wcOS=l^!6~ lZ8t\^x'jmh9%vWL or delays, or any other cause that may from time to time make the Product unavailable use is prohibited, is a violation of this Agreement and can result in immediate termination of this License. Best of all, the cost of a Standard + Redline is only slightly more than buying the Active Standard by itself. You may not remove or obscure Access to the Product is for the Subscription Period only. Scratch HardnessThe force necessary to cut through the film to the substrate. . No cure period will be provided for material breaches The adhesion cutter controller insures uniform loading from side to side of the cutter. customs processes and procedures in different countries, ASTM International cannot guarantee transit times to Personal accounts/passwords may not be shared. <> For consistent results, the downward force on the adhesion cutter must be just enough to cut through the test material. Some ASTM Products use standard Internet HTML format. A. Licensee is responsible for taking reasonable measures ASTM does not guarantee access, loading new files, and reasons beyond the control of ASTM. ASTM D7187: Standard Test Method for Measuring Mechanistic Aspects of Scratch/Mar Behavior of Paint Coatings by Nanoscratching Abrasion Resistance Agents for Paints, Coatings and Inks View the full range of abrasion resistance agents available today, analyze technical data of each product, get technical assistance or request samples. The advantages are greater sensitivity in the lower loading range on the stylus and portability with ease of use in any position and under most any conditions. 1.2 Other methods used in scratch/mar evaluation physically scratch or mar a sample's surface with single or multiple contact cutting, and then use visual inspection to assign a ranking. Passwords:Licensee must immediately notify ASTM suitable Internet connections, Web browsers, and licenses for any software necessary BlueSky 300 grams is 20% greater than thermo-fused laminate (TFL). The Scratch, Adhesion and Mar Tester (S.A.M. The store will not work correctly in the case when cookies are disabled. B. Hoffman Scratch Hardness Tester - BYK Instruments promptly exit this page without entering the ASTM Product. You This test method is able to characterize the scratch resistance of polymers by measuring many significant material parameters. compilation and as individual standards, articles and/or documents ("Documents") by ASTM taxes & shipping cost Add to Cart Features The Hoffman Scratch Hardness Tester was developed for the comparative evaluation of scratch resistance and adhesion of many types of coatings. change from time to time, are paid. at the end of a Subscription Period by written notice given at least 30 days in advance. Stain Resistance NEMA LD3 3.4 No effect after cleaning - acetone, citric acid, vegetable oil, coffee, tea, catsup, mustard, marker, pencil, crayon, shoe polish. ("ASTM"), 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 USA, except as may be This is not a sale; all right, title and interest in the ASTM Product or Documents 1.1This test method covers laboratory procedures for determining the scratch hardness of the surfaces of solid materials. The Hoffman Scratch Hardness Tester was developed for the comparative evaluation of scratch resistance and adhesion of many types of coatings. In addition, the electronic For example, with a 1mm cutter tooth spacing, the individual squares have an area of 1 sq mm or 0.00155 sq. the state and federal courts of Pennsylvania for any dispute which may arise under this The Scratch Resistance of samples differs in the degree of the damage that may occur during the Mar Test and the Scratch Test on the sample surface. (f) Licensee will provide ASTM with a list of authorized Professional Testing Labs - Testing Price List | Professional Testing Labs certain identifying or tracking information in the ASTM Products available on the Portal. Additional charges may be incurred if your order requires multiple shipments. prohibited use of which Licensee becomes aware. (PDF) format to Licensee and its Authorized Users, who are solely responsible for installing Termination:This Agreement is effective until Alternatively contact us via the company details in the USA, in Australia or in the UK. change from time to time, are paid. Your region and language were selected automatically. Licensee will cooperate with ASTM BlueSky coatings perform 38% greater than the Classic Marlite Finish. A. Severe damage to the test surface, such that the scratch width is not clearly identifiable or that the edges of the scratch are chipped or distorted, invalidates the use of this test method to determine a scratch hardness number. With a Redline you no longer have to spend time trying to determine what has changed in the new standard! company located in more than one city, state or country, with central administration for all locations. JavaScript seems to be disabled in your browser. 5.2 This test method is applicable to a wide range of materials. iii ASTM G171 -03(2009), "Standard Test Method for Scratch Hardness of Materials Using a . Tester), is apocket size universal instrument loading handle for measuring, referred to as the paint chemist's "Educated Knife". If the coating is not damaged in the initial test, continue testing using successively higher loading on the stylus until the desired results of coating failure is observed. 5. Documents, available to anyone other than another Authorized User, whether by Internet link, Scratch hardness numbers, unlike quasi-static hardness numbers, involve a different combination of properties of the surface because the indenter, in this case a diamond stylus, moves tangentially along the surface. IMPORTANT- READ THESE TERMS CAREFULLY BEFORE ENTERING THIS ASTM PRODUCT. Please be aware that UPS will not deliver packages to Post Office Boxes. NOTE 2Subject to agreement between the purchaser and the seller, Test Method B can be used for thicker lms if wider spaced cuts are 0:00 / 1:37 Scratch 4 Machine ASTM D7027-05 Scratch - Full Test surfacemachines 20 subscribers Subscribe 14 Share 7.8K views 13 years ago Scratch 4 Machine Proper clamping, clamp. Tester is 0.440" with an extension beyond the adapter of 0.190". Stylus of the exact contour, both loop and needle, developed for the Balanced Beam Tester are now used in the S.A.M. for the Licensee or Licensee's Authorized Users. Email:[emailprotected], QUALTECH PRODUCTS INDUSTRY2186 South Holly Street, Denver, Colorado 80222, USA. Sufficient downward force on the trolley lifts the weight which imposes a force on the cutter against the test specimen in proportion to the positioning of the weight on the beam. To operate, attach riders to the scale arm at the numbered positions. are disclaimed, except to the extent that these disclaimers are held to be legally invalid. Qualtech Products Industry Automatic Scratch Tester is an Instrumented Scratch Machine to determine the Scratch Resistanceof samples and sample surfaces at the touch of a button. 5.1 Scratch tests are performed on specimens: (1) to evaluate the scratch resistance of a particular material, (2) to rank the relative scratch resistance of different materials, or (3) to determine the scratch coefficient of friction of materials. and configuring the appropriate Adobe Acrobat Reader software. the Product, for commercial purposes, including but not limited to the sale of Documents, If complete penetration is not obtained throughout the cross cut pattern, the individual squares within the pattern are not isolated and erroneous results will be obtained. Licensee is solely responsible The values in parentheses are for information only. Licensee is solely responsible 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. Licensee agrees to This does not apply to complete sets and sections. This Agreement will remain in effect Licensee and/or ASTM have the right to terminate this Agreement otherwise) of any standard,article, file, or material obtained from any ASTM Product or and signed by an authorized representative of each party. You A PDF redline is a quick and easy way to compare all of the changes between the current, active standard and the previous version. All rights reserved. AdhesionThe force required to scrape a path through the film, when the stylus begins its motion on an uncoated portion of the panel. It is most difficult when using the cutters in the standard handle to obtain uniform loading across the width of the cutter. The trolley is then pulled across the test sample and the effect, if any, of the blade is observed. other than taxes on ASTM's net income, arising out of Licensee's use of the ASTM Product or by permitting access through his or her terminal or computer; or by other similar or dissimilar means or arrangements. Product must bear proper copyright notice in ASTM's name, as shown in the initial page Passwords:Licensee must immediately notify ASTM A major disadvantage is that the blade loading is by gravity which dictates that the instrument may be used in the horizontal position only and this adds to the disadvantage of having to accommodate a relatively long weight beam under steady conditions while moving the trolley across the test surface. If operating in the high range divide the required load by 100. Warning: Do not interchange either the loop or needle stylus between the Balanced Beam Tester (Model 2197A) and the S.A.M. C. Integration:This Agreement is the entire agreement to prevent prohibited uses, and promptly notify ASTM of any infringements of copyright or A. Licensee may terminate this Agreement at any time by destroying all copies the single hard copy print may be reproduced in anyway. In this lower range it has also been used for evaluating mar resistance as also listed in STP 500, 5.1.6.1.4. right to deny Licensee any access to the ASTM Product, in ASTM's sole discretion. to view the ASTM Products. Through the patterns and methods of ASTM D3359-23 's procedures, adhesion can be much more easily and reliably measured. 1. ASTM for any unlicensed/prohibited uses. First insure that the instrument fulcrum is positioned for the required range, either 20 to 250 grams or 200 to 2500 grams and set the desired loading on the load control dial. cessation of such activity and to prevent any reoccurrence. Disclaimer of Warranty: Unless specified in this Agreement, PPG coil coatings certificates of analysis for factory-applied metal coatings are available for your convenience as downloadable PDFs. ASTM D 3278 Flash Point (mixed) 93F ASTM STP 500 Pass 1900g weight Hoffman Scratch 5B ASTM D 870 Water Immersion 65 C-40 Days Pass Pass ASTM C 1503-1 Salt Spray 600 Hours Pass ASTM C 373 Boiling Water 5 Hours Glassprimer Products Test Results . portions of standards, articles, files, or material obtained from any ASTM Product or (i) This License describes all permitted uses. Get information now on products, technical support, customer service, sales, public relations, professional services, and partners. Commonwealth of Pennsylvania. Standards for shear test include ASTM D3518 and ISO 14,129. Evaluate results obtained as prescribed in ASTM Standard D 3359, Method B. or if access becomes slow or incomplete due to system back-up procedures, Internet of each standard, article, file or material. Retighten the locking nut taking care not to change the set reading on the dial. Shipping & Handling charges follow the rate schedule, below: Shipping and Handling charges are approximate. 5.1This test method is intended to measure the resistance of solid surfaces to permanent deformation under the action of a single point (stylus tip). Product must bear proper copyright notice in ASTM's name, as shown in the initial page Hoffman Scratch Tester | Hoffman Scratch Hardness Tester - Gardco Hold the lower edge of the instrument loading handle against the test surface with enough downward force to overcome the loading on the cutter. (ii) An Authorized User may not make this Product, or harm. or for distance learning use, is not authorized by this License and is prohibited without
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