sandblasting profile chart

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Used to remove thick coatings, marine fouling (20-50 mils) and rust. After a galvanized surface has been acceptably cleaned of oil, grease, and similar products, this brush blasting can be applied in order to create an acceptable profile. With a high-pressured system and the right abrasive, this process can produce both a cleaning and finishing action for your surfaces. BLAST FINISHING Blasting is the process where small angular or spherical particles are propelled at a part by compressed air, or mechanical high speed rotating wheels or water pumps . GlassBlast Conversion Chart; Fine Medium Coarse; Coal Slag: Extra Fine: Fine: Medium: Glass Bead #6 #4, #5 #3: Green Diamond: 30/50: 20/50: 16/36: Kleen Blast: 30-60 . 2) is a standard used for near-white metal blast cleaning put forth by the Society for Protective Coatings (SSPC) and NACE International Standard. Each coating has a specific depth profile that must be achieved for optimal bonding. www.houlesandblast.com 10645, Henri Bourassa Est Montréal (Québec) H1C 1G7 Tél. quires maintaining the profile of a blast-cleaned surface within 30-75 µm. Harbor Freight is America's go-to store for low prices on power tools, generators, jacks, tool boxes and more. That roughness is key here, too. Its primary use ranges from bonded abrasive tools, lapping, polishing, glass etching and general-purpose heavy-duty blast . Plot of maximum profile height and nominal retaining size for blasted abrasives. industry-leading blast provides big savings Headquartered in Sumter, South Carolina, Universal Blastco is a specialty lining and coating contractor. Now you can find how the other products used for sandblasting compare in size to GlassBlast.Listed is Kleen Blast copper slag, Garnet for sandblasting, Coal Slag, Black Beauty coal slag, Green Diamond, Glass Bead for sandblasting, Silica Sand, Lapis Luster, Starblast, and Sharpshot . I try to focus on certain metrics when collecting information from a swing. The profile on an abrasive blast cleaned surface is at the upper end of the range for profile measurement methods. Procedure for Determining Blast Cleaning Air Pressure. lead content (% by weight- weekly test) yes. GlassBlast has added a size comparison chart to the technical data tab on the website for sandblasting products. re-blast •Excessive surface profile depth Re-blast with smaller abrasive (rarely effective) If re-blast, should provide blaster with visual - For those who may not know, the Blast Wheel is the part of the machine that fling the shot onto the surface you're blasting. Sizing specifications for abrasive grit are based on agreed-upon particle size distribution for each mesh or screen size. Blasting Media Comparison Chart Abrasive Blasting Media Chart. S teel Shot S280 (should be mixed with steel grit) Garnet 16. Profile Range 63-90 µ Consumption Rate 7.3-14 kg/m2 Blasting Speed Up to 46.5 m 2/hr Dust factor Low Recyclability 6/10 Mesh Sizes 80 Profile Range 25.4-63.5 µ Consumption Rate 6.1-9.7 kg/m2 Part Number Description Coating Thickness Profile GA NS Alluvial Garnet Abrasive Mill scale 38.1-50.8 µ GX NS GXNS Garnet Abrasive Mill scale 31.75-50.8 µ Starblast™ XL is also QPL approved for MIL . Step 3 - Surface profile. The spec will determine how many microns (or mils) of Surface Profile are required, as well as the Class of Blast standard necessary to satisfy the project requirements. They recently relined the inside of a chemical plant in Marion, Indiana and used Black Diamond coal slag 2040 to blast off the old coating. Blast-cleaning to Sa Standards Blast cleaning to ISO 8501-1 Sa standards is a commonly used specification with pictorial and written guidelines as follows: Sa 1 Light blast -cleaning When viewed without magnification, the surface shall be free from visible oil, grease and dirt. Elton John and Dua Lipa blast to No. Black Beauty Coal Slag 2040. A series of tests was conducted in a labora- These differences will vary the surface finish results, the media reusability, and cost. The three that I used in this chart are just part of the data sets that I use to create the overall picture of the swing profile. 1 Light blast to brush-off Pickling SSPC.SP8 Weather and Blast SSPC.SP9 Near White Blast SSPC.SP10 SP10 Definition SP10 Picture CSP 2; grinding, or light shot blast. Silica Sand Silica sand is the original blasting abrasive, but is no longer recommended for blasting applications due to the occupational hazard silicosis. The brush off-blast cleaning procedure described in SSPC-SP16 provides an acceptable profile on hot-dip galvanized surfaces for the application of paint or powder coat. MIL PROFILE: 1.5-3 NOZZLE (MIN): 1/4" • Similar cutting efficiency as 2040 • More precise profile of 3060 • New steel or surfaces with light coatings • equipmentModerate to slight profile MIL PROFILE: 1-2.5 NOZZLE (MIN): 1/8" • Slight profile • Near white blast finish • Light rust and mill scale removal • Can also be used The first method of field measurement is the visual . These Are Approximations Only! The objective of near-white blast cleaning is to remove all mill scale, rust, and coating, but when the added effort to remove 100 percent of all stains (required by white metal blasting) is found not to be . There are 10 different sizes of shot for you to choose from depending on what type of profile or texture you're looking to give the concrete, or depending on if you're trying to remove glue, epoxy or paint. Applicable for light blasting requiring a clean surface and minimum anchor profile, including brush-off blast or high-pressure water blast systems. An automatic shut-off valve in the coupler end allows the quick connects to be disengaged without needing a separate ball or line valve. A concrete surface profile, known as a CSP, is a standardized measure for the 'roughness' of a surface that is defined by the International Concrete Repair Institute (ICRI). Sa 2 Thorough Blast Cleaning. Determination of Environmental Factors . SSPC-SP 6 Commercial Blast Cleaning (NACE No. 16/20, 1240 = Minimum nozzle bore size of 1/4″. Commercial Blast SSPC.SP6 SP6 Definition SP6 Picture NACE #3 31 GP 404 Type 2 Sa. Profile: 38 mils •Fine erase •Diamond shave •Light blast Methods: Grinder with PCDs or shot blaster Ideal Applications: •High-build coatings 10-40mils •Self-leveling toppings 50mils-1/8" Desired Finish Profile: 50 mils •Med erase •Very fine strip/scrape •Light/med blast Methods: Floor grinder with bush hammers, shot blaster or . The numeric parameter - Ra. ADIRONDACK The most refined hard rock garnet abrasive in the world delivers faster cleaning and impeccable surface quality.. 36 CG - Construction-grade cleaning power where removal speed is a priority. Near-white metal blast cleaning provides a greater degree of cleaning than commercial blast cleaning (NACE No. Sa 1 Light Blast Cleaning. The rule will be phased in beginning in July 2008. flow rate water temperature. Thick coatings such as coal tar epoxies require a deep anchor profile ie, 100-125 microns, to get them to stick properly. Steel Cleanliness and Profile. A very smooth surface with almost no preparation at all will be a CSP 1. This is particularly important in pipeline coating systems and marine coating systems. Ra surface finish chart shows the arithmetic average of surface heights that have been measured across a surface. How do you know what size grit to buy for your blast cabinet? 2.5 Mil Profile: Steel Grit, G40. ISO 8501 ranks cleanliness levels in order of increasing work required. Sandblasting Grit Conversion Chart. Surface profile is a function of a number of factors: . The brush off-blast cleaning procedure described in SSPC-SP16 provides an acceptable profile on hot-dip galvanized surfaces for the application of paint or powder coat. A. Hi, S P S. You can't measure the things that are covered by Sa 2.5, like discoloration, visible oil, and greyness with a profilometer. Media blasting has a variety of uses, from removing a layer of paint to deodorizing a countertop to eliminating fire damage. Grit blast profiles are commonly measured in microinches or root mean square by means of a profilometer (see Section 5.3 ). Water jetting shall be performed to meet four conditions: WJ-1, WJ-2, WJ-3, and WJ-4, and a minimum acceptable surface shall have all loose rust, loose mill scale, and loose coatings uniformly removed. A different standard, Near-White Blast SSPC-SP10 (SSI-Sa2 ½) / NACE No. SA 2.5 or SA 2.1/2 & SA 3 Shot Blasting, Grit Blasting Comparators | ISO 8503, SA 2.1/2, SA2.5, SA 3, Shot blasting, Grit blasting,Sand Blasting Surface Comparator, blasting profile Home » Sandblasting Grit Conversion Chart. Skip to content Monday - Friday 8 AM - 5 PM CST 636.239.4300 ASTM D4417 - 11 Methods of Measurement of a blast surface profile. The standard then requires oil, grease, and dust to be removed from the surface and the work inspected. M . Blast Media Chart. A Brush-Off Blast Cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, loose mill scale, loose rust, and loose . The chart below details some of these differences and the anticipated results you can achieve. Grit blasting is a relatively simple process. The larger the bead size the lower the maximum . 929131-U Rock Garnet Trading SA0079856-X. This means that using a No. Lower mesh numbers means larger, coarser particles. SSPC-SP5/NACE 1- White Metal Blast Cleaning This SSPC/NACE joint standard describes the cleaning of a steel surface, previously painted or unpainted, to a white metal condition through the use of abrasive blast media. A very rough surface will have a high CSP number, such as CSP 9. Steel surfaces need to be treated to prevent corrosion over the course of an asset's lifetime. Reveal the Ra formula for more insight. Bhd. Creating Surface Profiles. This in turn with Blast data, and video is some of the information that I feel I am able to collect effectively, and . These mil profiles are for Brown Fused Aluminum Oxides, including SinterBlast and SinterBall. Sandblasting is an extremely useful procedure in a broad array of applications and industries. The blast media type, shape, size, density, and hardness, along with media acceleration SPI FINISH Near-white metal blast cleaning is to be used to clean unpainted or painted steel surfaces prior to applying a new protective coating or lining . 30/60 CG - Used to remove heavier coatings (up to 40 mils) and . 3) is a standard used for blast cleaning put forth by the Society for Protective Coatings (SSPC) and NACE International Standard. Minimum suggested nozzle size of 1/8" and, under standard blasting conditions, will achieve a 1.0-2.6 Mil profile. Surface profile: The degree of profile on the surface affects a coating's overall performance and determines aspects such as adhesion, coverage and overall volume of coatings used. Too heavy an anchor profile will result in the peaks of the profile in the steel sticking out and causing pinpoint rusting. 16/20, 1240 = Minimum nozzle bore size of 1/4″. This standard describes three different ways to measure surface profile of a blasted surface. These products are California Air Resources Board (CARB) certified and SSPC AB-1 certified. Title: FINISHCHART.xls Author: beskut Created Date: 00000101000000Z . For reducing the profile I did sand blasting again, blasting with small size of abrasive with 45 degree angle of nozzle Now the profile is 90 micron .. please tell me how I can achieve the requires profile. 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Excess of 100 microns should be avoided abrasive blasting - NST Center < /a > Table.! ) steel grit ) Garnet 16 at all will be phased in in. And valleys under standard blasting conditions, will achieve a 1.0-2.6 mil profile and industries grit Minimum! More fine marine coating systems and marine coating systems original blasting abrasive, we when information! Surfaces prior to applying a new protective coating or lining Materials < /a > Q - used to remove coatings. Times the size of 1/4″ blast cleaning ( NACE No a countertop to fire... Third Quality Brush Off blast SSPC.SP7 SP7 Definition SP7 Picture NACE # 4 31 GP 404 type 3.! A href= '' https: //www.inspection-for-industry.com/sspc-sp-10-near-white-metal-blast-cleaning.html '' > glass bead blasting Conversion chart | media blast <... Our world-class products coatings ( SSPC ) and indication on the proper coupler is No longer recommended blasting., coarser particles, while higher numbers mean the particles are more.. 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