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engineer-mechanical:surfacetreatment [2019/10/10 18:59]
jjensen [References and Standards]
engineer-mechanical:surfacetreatment [2019/11/05 19:20] (current)
jjensen [DC Rectifier Power Supply]
Line 29: Line 29:
     * total height of 14.35"     * total height of 14.35"
     * height from bottom to first reinforcement ring is 11"     * height from bottom to first reinforcement ring is 11"
 +  * Polypropylene Tank
 +    * Plastic Welding Kit 1300 Watt [[https://​www.harborfreight.com/​plastic-welding-kit-with-air-motor-and-temperature-adjustment-96712.html|HF #96712]]
 +    * #41602 Plastic Rod Set
 +    * [[https://​www.amazon.com/​dp/​B07TZC2395/​ref=twister_B07X9CPH9Z?​_encoding=UTF8&​psc=1|Amazon - Polypropylene PP Plastic Welding Rods]]
 +  * Chiller
 +    * \$289 Home Depot - [[https://​www.homedepot.com/​p/​GE-Garage-Ready-7-0-cu-Ft-Manual-Defrost-Chest-Freezer-in-White-FCM7SKWW/​206943524|GE Garage Ready 7 cu ft manual defrost chest freezer]]
  
 +===== Rule 720 - Anodizing Time =====
 +  * Anodize Time = 720 * thickness anodize layer / ASF
 +    * ASF = Amps / ft^2 
 +    * surface area of both the part and the rack is needed in ft^2
 ===== Workflow - Aluminum Parts ===== ===== Workflow - Aluminum Parts =====
   * Background   * Background
Line 123: Line 133:
   * {{engineer-mechanical:​surfacetreatment:​asm13a-degreasing.png|Degreasing and Deoxidizing Chemistries for Aluminum Alloy Surfaces}}   * {{engineer-mechanical:​surfacetreatment:​asm13a-degreasing.png|Degreasing and Deoxidizing Chemistries for Aluminum Alloy Surfaces}}
     * [[surfacetreatment#​references and standards|[ASM-13a p. 1862 of 2597]]]     * [[surfacetreatment#​references and standards|[ASM-13a p. 1862 of 2597]]]
 +  * 1720 powder + 5% nitric acid
 +  * Hydrofluoric Acid (dangerous)
 +    * NH4HF2 = Ammonium BiFluoride
 +    * HNO3 = Nitric Acid
   * "Many commercial formulations based on other chemistries exist. Some of these can be found in" S. Wernick, R. Pinner, and P.G. Sheasby, The Surface Treatment and Finishing of Aluminum and its Alloys, Vol 1, 5th ed., ASM International,​ 1987, p. 220 [[surfacetreatment#​references and standards|[ASM-13a p. 1862 of 2597]]]   * "Many commercial formulations based on other chemistries exist. Some of these can be found in" S. Wernick, R. Pinner, and P.G. Sheasby, The Surface Treatment and Finishing of Aluminum and its Alloys, Vol 1, 5th ed., ASM International,​ 1987, p. 220 [[surfacetreatment#​references and standards|[ASM-13a p. 1862 of 2597]]]
  
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 === Acid Etching === === Acid Etching ===
 +  * Acid Etch - [[https://​cdn.ymaws.com/​anodizing.site-ym.com/​resource/​resmgr/​Docs/​Technical_Bulletin_5-13_Acid.pdf|AAC Technical Bulletin #5-13]]
   * {{engineer-mechanical:​surfacetreatment:​asm13a-acid-etching.png?​600|Acid Etching}}   * {{engineer-mechanical:​surfacetreatment:​asm13a-acid-etching.png?​600|Acid Etching}}
     * ASM Handbook Vol 13a - Corrosion, p. 1904 of 2597     * ASM Handbook Vol 13a - Corrosion, p. 1904 of 2597
Line 152: Line 167:
 ==== Step 13 - Desmutting ==== ==== Step 13 - Desmutting ====
   * required if etching was done with city water   * required if etching was done with city water
 +  * Option 1 - dip part in 4-6% sulfuric acid (rest distilled water)
 +  * Option 2 - dip part in nitric acid and water
  
 ==== Step 20 - Neutralize ==== ==== Step 20 - Neutralize ====
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     * aluminum tank bar     * aluminum tank bar
     * drip dry rack     * drip dry rack
-  * DC Rectifier Power Supply 
-    * strap on the bottom of the shelf using pipe/hanger strap 
-      * [[https://​www.homedepot.com/​p/​Oatey-3-4-in-x-25-ft-28-Gauge-Galvanized-Hanger-Strap-33530/​301505501?​MERCH=REC-_-pipsem-_-NA-_-301505501-_-N|Oatey 28-gauge galvanized hanger strap]] \$5.47 for 3/4" x 25' 
-    * Harbor Freight Battery Charger 
-      * CEN-TECH 10/2/50 Amp 12V Manual Charger With Engine Start 
-      * [[https://​www.harborfreight.com/​automotive/​battery-tools-accessories/​10250-amp-12v-manual-charger-with-engine-start-60581.html|HF#​ 60653]] 
-    * VivoHome 853D Rework Station 
-      * DC Power Supply up to 15 volts and 1 AMP 
-      * [[https://​www.amazon.com/​Heavy-Duty-AWG-NAKAMICHI-Alligator/​dp/​B009D4YYYW|Heavy Duty 12 AWG Banana Plugs to Alligator Clips]] 
-    * cable management 
-    * container for leads 
   * Power strip   * Power strip
   * Water Sprayer   * Water Sprayer
Line 199: Line 205:
     * [[https://​www.youtube.com/​watch?​v=wDA6EEo6dQA|YouTube - Roger'​s DeeWorks]]     * [[https://​www.youtube.com/​watch?​v=wDA6EEo6dQA|YouTube - Roger'​s DeeWorks]]
       * <​html><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​wDA6EEo6dQA"​ frameborder="​0"​ allow="​accelerometer;​ autoplay; encrypted-media;​ gyroscope; picture-in-picture"​ allowfullscreen></​iframe></​html>​       * <​html><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​wDA6EEo6dQA"​ frameborder="​0"​ allow="​accelerometer;​ autoplay; encrypted-media;​ gyroscope; picture-in-picture"​ allowfullscreen></​iframe></​html>​
 +
  
 === Bucket Floor === === Bucket Floor ===
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     * [[https://​www.homedepot.com/​p/​OOK-50-ft-Aluminum-Hobby-Wire-50176/​100192917|Home Depot - Aluminum Hobby Wire 50ft]] \$3.78 store sku #396300     * [[https://​www.homedepot.com/​p/​OOK-50-ft-Aluminum-Hobby-Wire-50176/​100192917|Home Depot - Aluminum Hobby Wire 50ft]] \$3.78 store sku #396300
   * Titanium wire   * Titanium wire
 +    * [[https://​www.amazon.com/​TEMCo-Titanium-Gauge-Surgical-Resistance/​dp/​B01AV6QNAI/​ref=cm_wl_huc_item|Amazon 24 Gauge by 50 ft]] cost \$9.50 1mm ~ 18 gauge
     * [[https://​www.ebay.com/​itm/​Pure-Titanium-wire-1-mm-by-5-feet-uncut-99-99-Ti-wire-grade-1-18-gauge-AWG/​283188744436|ebay 1mm by 5 ft]] cost \$3.75     * [[https://​www.ebay.com/​itm/​Pure-Titanium-wire-1-mm-by-5-feet-uncut-99-99-Ti-wire-grade-1-18-gauge-AWG/​283188744436|ebay 1mm by 5 ft]] cost \$3.75
     * [[https://​www.caswellplating.com/​tw2.html|Caswell Plating - Titanium Wire]] \$11 for 6-ft 1mm (0.045"​) diameter     * [[https://​www.caswellplating.com/​tw2.html|Caswell Plating - Titanium Wire]] \$11 for 6-ft 1mm (0.045"​) diameter
     * [[https://​www.ebay.com/​itm/​Titanium-Wire-Grade-One-1-25-MM-Round-10-ft-Genuine-Pure-Titanium/​281766587077|ebay 1.25mm by 10 ft]] cost \$14     * [[https://​www.ebay.com/​itm/​Titanium-Wire-Grade-One-1-25-MM-Round-10-ft-Genuine-Pure-Titanium/​281766587077|ebay 1.25mm by 10 ft]] cost \$14
 +  * Duraclamp by Burlingham International - [[https://​www.duraclamp.com|www.duraclamp.com]]
 +  * [[https://​www.titanmf.com/​products/​metal-finishing-equipment/​titan-anode-baskets|Titan Manufacturing - Titanium Baskets]]
 +
 +=== Pumps ===
 +  * Peristaltic Pump - benefit is pump doesn'​t touch the sulfuric acid, it squeezes and rolls the fluid out of the hose. Ben Hamlet at CSI has one of these.
  
 === Anodizing Bath Equipment === === Anodizing Bath Equipment ===
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     * Polypropylene Plastic (PP) is best     * Polypropylene Plastic (PP) is best
       * Lowes Measure-Right mixing containers are PP (except the 5 gal) - [[https://​www.lowes.com/​pd/​United-Solutions-5-Quart-Residential-Paint-Bucket/​3734821|United Solutions 5-Quart Residential Paint Bucket]]       * Lowes Measure-Right mixing containers are PP (except the 5 gal) - [[https://​www.lowes.com/​pd/​United-Solutions-5-Quart-Residential-Paint-Bucket/​3734821|United Solutions 5-Quart Residential Paint Bucket]]
 +      * [[https://​tri-mer.com/​anodize-equipment/​anodizing-equipment.html|Tri-Mer Corp]] sells Anodizing Equipment. Gary Kriesch & Associates LLC (20191015 sent LinkedIn request)
   * Anti-Mist Balls or Fume Control Balls - small plastic hollow spheres (1/4 to 1/2") to help hold heat in the bath, prevent evaporation and reduce fumes   * Anti-Mist Balls or Fume Control Balls - small plastic hollow spheres (1/4 to 1/2") to help hold heat in the bath, prevent evaporation and reduce fumes
     * [[https://​www.ebay.com/​itm/​14mm-Polypropylene-PP-Solid-Plastic-Bearing-Balls-Precision-Sphere/​323631979731|ebay 14mm Polypropylene (PP) solid plastic bearing balls]] \$6 for 20 pieces     * [[https://​www.ebay.com/​itm/​14mm-Polypropylene-PP-Solid-Plastic-Bearing-Balls-Precision-Sphere/​323631979731|ebay 14mm Polypropylene (PP) solid plastic bearing balls]] \$6 for 20 pieces
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   * Air sparging (bubble agitation, aeration)   * Air sparging (bubble agitation, aeration)
     * aquarium air pump connected to a small diameter tube. The tube has small holes to release air. Place tube at the bottom of the tank, under the workpiece to create flow up and over the part to the O2 and H2 gas bubbles as well as circulated the anodizing bath.     * aquarium air pump connected to a small diameter tube. The tube has small holes to release air. Place tube at the bottom of the tank, under the workpiece to create flow up and over the part to the O2 and H2 gas bubbles as well as circulated the anodizing bath.
 +    * [[https://​www.walmart.com/​ip/​Air-Bubble-Disk-Stone-Aerator-Aquarium-Fish-Tank-Pond-Pump-Hydroponic-Oxygen-Fish-Tank-Accessories-with-2-Air-Bubble-Disk-Stone/​558619541|Walmart]] \$10 4.5 L/min
 +    * [[https://​www.amazon.com/​UPMCT-Aquarium-Adjustable-Accessories-Silicone/​dp/​B07YJH539W/​ref=sr_1_58_sspa?​|Amazon $15]] 5 L/min
  
 === Anodizing Bath Solution - Electrolyte === === Anodizing Bath Solution - Electrolyte ===
 +  * need 4-8 g/L of dissolved aluminum in the bath to help with electrosis. Titration test used to measure amount of aluminum
 +  * Acid concentration can be measured by a simple acid/base titration
 +    * Titrating Sulfuric Acid Anodizing Baths by Larry Chesterfield [[https://​www.pfonline.com/​articles/​titrating-sulfuric-acid-anodizing-baths|Products Finishing]]
 +    * Basics of Titration - [[https://​www.mt.com/​us/​en/​home/​library/​guides/​lab-analytical-instruments/​titration-worksheets.html|Mettler Toledo]] - downloaded Basics of Titration [[https://​www.mt.com/​dam/​non-indexed/​po/​ana/​titration/​51725228A_V02.17_Basics%20of%20Titration_Complete_en.pdf|pdf]]
 +    * <​html><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​i7jnSaf1Muc"​ frameborder="​0"​ allow="​accelerometer;​ autoplay; encrypted-media;​ gyroscope; picture-in-picture"​ allowfullscreen></​iframe></​html>​
 +    * <​html><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​d1XTOsnNlgg"​ frameborder="​0"​ allow="​accelerometer;​ autoplay; encrypted-media;​ gyroscope; picture-in-picture"​ allowfullscreen></​iframe></​html>​
   * 160-180 g/L (approx 16-18%)   * 160-180 g/L (approx 16-18%)
   * Battery acid to water ratio 1:4   * Battery acid to water ratio 1:4
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   * Ice water 32-40°F   * Ice water 32-40°F
   * Keep the part in the anodizing bath for minimum 30 minutes [Dimetrics] up to 1 hour [Gilmour]   * Keep the part in the anodizing bath for minimum 30 minutes [Dimetrics] up to 1 hour [Gilmour]
 +
 +==== DC Rectifier Power Supply ====
 +  * Personal feeling linear power supplies provide better anodizing than switch power supplies
 +  * [[https://​www.circuitspecialists.com/​bench-power-supply-csi3020x.html|30 Volt DC 20 Amp Linear Bench Power Supply]] for \$229.28 from CircuitSpecialists
 +    * appears to be the same as the Tekpower ​
 +  * [[http://​www.volteq.com/​anodizing-power-supplies.html|Volteq Anodizing Power Supplies]] is also sold under GW Instek and Mastech brand names
 +    * Recommended by Paul Clarke
 +      * HY3020D 30V 20A DC Power Supply for \$280 [[http://​www.volteq.com/​volteq-regulated-variable-dc-power-supply-hy3020d-30v-20a.html|volteq.com]]
 +      * (bad switching) Volteq Power Supply HY5020EX 50V 20A for \$300 [[http://​www.volteq.com/​volteq-power-supply-hy5020ex-50v-20a-over-voltage-over-current-protection.html|volteq hy5020ex]]
 +      * emailed volteqpower@gmail.com asking if linear or switch power supply and confirming it is recommended for anodizing aluminum.
 +    * [[http://​www.mastechpowersupply.com/​anodizing-rectifiers.html|Mastech Anodizing Power Supplies]]
 +    * Volteq Regulated Variable DC Power Supply HT5005D 50V 5A \$140 [[http://​www.volteq.com/​volteq-regulated-variable-dc-power-supply-hy5003d-50v-3a.html|volteq.com]]
 +      * http://​www.volteq.com/​volteq-regulated-variable-dc-power-supply-hy5003d-50v-3a.html
 +    * Volteq Power Supply HY5020EX 50V 20A for \$300 [[http://​www.volteq.com/​volteq-power-supply-hy5020ex-50v-20a-over-voltage-over-current-protection.html|volteq hy5020ex]]
 +    * Volteq High Current Rectifier for Electroplating Anodizing HY30200EX 30V 200A cost \$1600 [[https://​www.amazon.com/​Volteq-Rectifier-Electroplating-Anodizing-HY30200EX/​dp/​B00OBSN6JY/​ref=sr_1_26|Amazon]]
 +    * Tekpower
 +      * TP3020D linear DC power supply, \$324 from [[https://​tekpower.us/​power-supply/​linear-powersupply/​tp3020d.html|TekPower]] or
 +        * \$270 from [[https://​www.amazon.com/​Tekpower-TP3020D-Adjustable-Transformer-Dr-Meter/​dp/​B01FX9HOJW/​ref=sr_1_1?​|Amazon]]
 +      * TP3005T linear DC power supply, 0-30V at 0-5A - \$80 from [[https://​www.amazon.com/​Tekpower-TP3005T-Variable-Linear-Alligator/​dp/​B00ZBCLJSY/​ref=sr_1_6?​|Amazon]]
 +        * good comments about switch vs linear power supply. Figure says should avoid anodizing with a switching power supply
 +      * TP3010E
 +        * [[https://​www.youtube.com/​watch?​v=xEYRNnYGo0M|YouTube - Tekpower TP3010E Switching Power Supply Teardown & Review]]
 +  * [[http://​www.bkprecision.com|BK Precision]]
 +    * [[https://​www.bkprecision.com/​products/​dc-electronic-loads/​8540-150-w-dc-electronic-load.html|DC Electronic Load Model 8540]] - used to test DC power sources
 +      * 500 Amp Carbon Pile Load Tester [[https://​www.harborfreight.com/​500-amp-carbon-pile-load-tester-91129.html|HF #91129]]
 +      * 100 Amp 6/12V Battery Load Tester [[https://​www.harborfreight.com/​100-Amp-612V-Battery-Load-Tester-61747.html|HF #61747]]
 +      * <​html><​iframe width="​560"​ height="​315"​ src="​https://​www.youtube.com/​embed/​D5d4CIoOln0"​ frameborder="​0"​ allow="​accelerometer;​ autoplay; encrypted-media;​ gyroscope; picture-in-picture"​ allowfullscreen></​iframe></​html>​
 +    * REJECT 1-30 Volts and Current is 30 amps (no amp control), Model 1694
 +    * [[https://​www.bkprecision.com/​products/​power-supplies/​1901B-1-32-v-30-a-switching-dc-power-supply.html|Model 1901B Switching DC Power Supply]] which gives current control
 +    * Caswell 30 amp constant current rectifier 0-30V
 +      * \$450 [[https://​www.caswellplating.com/​electroplating-anodizing/​power-supplies/​cc-cv-rectifier-0-30v-30-amp.html|Caswell 1-30A, 1-32 VDC]]
 +  * [[https://​www.dynapower.com/​industries-applications/​metal-finishing-rectifiers/​anodizing-power-supplies/​|www.dynapower.com]]
 +  * SainSmart [[https://​www.sainsmart.com/​products/​uni-t-utp3315tfl-ii-dc-power-supply|DC Power Supply]] \$90 for 30V and 5A
 +    * strap on the bottom of the shelf using pipe/hanger strap
 +      * [[https://​www.homedepot.com/​p/​Oatey-3-4-in-x-25-ft-28-Gauge-Galvanized-Hanger-Strap-33530/​301505501?​MERCH=REC-_-pipsem-_-NA-_-301505501-_-N|Oatey 28-gauge galvanized hanger strap]] \$5.47 for 3/4" x 25'
 +    * Harbor Freight Battery Charger (doesn'​t work with anodizing - will only turn on if connected to a car battery)
 +      * CEN-TECH 10/2/50 Amp 12V Manual Charger With Engine Start
 +      * [[https://​www.harborfreight.com/​automotive/​battery-tools-accessories/​10250-amp-12v-manual-charger-with-engine-start-60581.html|HF#​ 60653]]
 +    * VivoHome 853D Rework Station
 +      * DC Power Supply up to 15 volts and 1 AMP
 +      * [[https://​www.amazon.com/​Heavy-Duty-AWG-NAKAMICHI-Alligator/​dp/​B009D4YYYW|Heavy Duty 12 AWG Banana Plugs to Alligator Clips]]
 +    * cable management
 +    * container for leads
 +
 +
  
 ==== Step 24 - Dye ==== ==== Step 24 - Dye ====
Line 353: Line 420:
   * Group 7 halogen top right side - electro negative - want electrons   * Group 7 halogen top right side - electro negative - want electrons
     * Cl = chlorine     * Cl = chlorine
 +
 +===== Concentration by Weight and by Volume =====
 +  * [[https://​www.houghtonintl.com/​sites/​default/​files/​resources/​mass_and_volume_concentration.pdf|Houghton Intl - Determining Concentration by Weight and by Volume]]
  
 ===== Oxidation - Reduction: Transfer of Electrons ===== ===== Oxidation - Reduction: Transfer of Electrons =====
Line 643: Line 713:
  
 ===== Associations ===== ===== Associations =====
-  * Aluminum Anodizers Council (AAC) - [[http://​www.anodizing.org|www.anodizing.org]]+  * Aluminum Anodizers Council (AAC) - [[https://​www.anodizing.org|www.anodizing.org]] 
 +  * Aluminum Extruders Council (AEC) - [[https://​www.aec.org|www.aec.org]]
   * International Hard Anodizing Association (IHAA) - [[https://​www.ihanodizing.com|www.ihanodizing.com]]   * International Hard Anodizing Association (IHAA) - [[https://​www.ihanodizing.com|www.ihanodizing.com]]
   * Products Finishing - [[http://​www.pfonline.com|www.pfonline.com]]   * Products Finishing - [[http://​www.pfonline.com|www.pfonline.com]]
   * National Association for Surface Finishing - [[http://​www.nasf.org|www.nasf.org]]   * National Association for Surface Finishing - [[http://​www.nasf.org|www.nasf.org]]
 +===== Anodizing Equipment =====
 +  * Anodizing Thickness Gauge
 +    * [[https://​www.checkline.com/​product/​6000AN-Series|Checkline PosiTector Anodizing Thickness Gauge]]
 +  * Hard Anodizing - can't I just use a micrometer and measure a change in thickness (0.002 +/- 0.0002), see [[https://​www.checkline.com/​product/​6000AN-Series|Measurement of Anodizing Thickness]]
 +
 ===== Chemical Manufactures and Resellers ===== ===== Chemical Manufactures and Resellers =====
 +  * American Elements - [[https://​www.americanaelements.com|www.americanelements.com]]
 +    * Nickel Acetate - request a quote on 10/16/2019
 +  * Brenntag - [[https://​www.brenntag.com/​en-us/​products/​index.jsp|products]]
 +    * [[https://​www.brenntag.com/​en-us/​products/​sulfuric-acid/​index.jsp|Sulfuric Acid]]
 +  * Henkel Adhesive Technologies - [[https://​www.henkel-adhesives.com/​us/​en/​products/​surface-treatments.html|www.henkel-adhesives.com]]
 +  * Houghton Intl (Quaker Houghton) [[https://​www.houghtonintl.com|www.houghtonintl.com]] - [[https://​www.houghtonintl.com/​sites/​default/​files/​resources/​houghton_metal_finishing_brochure_final.pdf|Metal Finishing Brochure]]
 +    * Dan Bishopp, Metal Finishing Sales Manager: mobile: 765-771-9892,​ dan.bishopp@quakerhoughton.com
 +    * Anodizing Hardcoat Additives A-520
 +      * A high speed liquid additive used with sulfuric acid anodizing process to produce hard coatings for architectural use as well as other applications
 +    * Deoxidizing - Houghto Deox A-1745L [[https://​www.houghtonintl.com/​en/​products/​houghto-deox-1745l-0|1745L]]
 +      * also 1720 powder + 5% nitric acid (much safer than using nitric acid with ammonium bifluoride)
 +    * Desmutting - Houghto Deox A-1745L
 +    * Etching - Houghto-Etch AX-1897
 +    * Sealing - nickel acetate ​
 +      * [[https://​www.houghtonintl.com/​en/​products/​houghto-seal%C2%AE-617|Houghto-Seal A-617]]
 +      * [[https://​www.houghtonintl.com/​en/​products/​houghto-seal%C2%AE-620|Houghto-Seal A-620]]
 +        * formulated with special organic additives that effectively seal all types of anodic coatings without smutting, powdering or yellowing after exposure to sunlight
 +      * Houghto-Seal A-633
 +        * a liquid concentration additive for hot water seal that acts as a sealing accelerator and anti-smutting agent
   * Palm International,​ Inc   * Palm International,​ Inc
     * [[http://​www.palminc.com/​|www.palminc.com]]     * [[http://​www.palminc.com/​|www.palminc.com]]
 +  * Reliant Clariant - [[http://​www.reliantaluminumproducts.com/​index.php/​anodizing-products|www.reliantaluminumproducts.com]]
 +    * [[http://​www.reliantaluminumproducts.com/​images/​stories/​tech_data/​Anodal_Aluseal.pdf|Anodal Aluseal]] seal smut preventing additive for high temperature nickel acetate seals
 +      * 4 g/l nickel Acetate
 +      * 1 g/l benzoic acid
 +      * 2 g/l Anodal Aluseal
 +  * SIC Technologies - [[http://​sictechnologies.com/​sic-products/​anodizing-products/​|Anodizing Products]]
   * Thatcher Group, [[http://​www.tchem.com|www.tchem.com]]   * Thatcher Group, [[http://​www.tchem.com|www.tchem.com]]
   * Univar Solutions, [[http://​www.univarsolutions.com/​markets/​chemical-manufacturing/​|www.univarsolutions.com]]   * Univar Solutions, [[http://​www.univarsolutions.com/​markets/​chemical-manufacturing/​|www.univarsolutions.com]]
     * filled out online form, jeff@nimshelp.me on 7/31/2019     * filled out online form, jeff@nimshelp.me on 7/31/2019
 +  * US Specialty Color Corporation
 +    * [[http://​www.usspecialty.com/​product_dyes.php|Anodizing Dyes]]
   * Land View in Rupert ID, [[http://​www.lvf.com|www.lvf.com]]   * Land View in Rupert ID, [[http://​www.lvf.com|www.lvf.com]]
     * Jake Harman, Manager     * Jake Harman, Manager
Line 682: Line 785:
   * Pioneer Metal Finishing   * Pioneer Metal Finishing
     * [[https://​www.pioneermetal.com/​|www.pioneermetal.com]]     * [[https://​www.pioneermetal.com/​|www.pioneermetal.com]]
 +  * Pries Enterprises,​ Inc
 +    * [[https://​www.priesenterprises.com/​anodizing/​|priesenterprises.com]]
   * Reactive Metals [[https://​www.reactivemetals.com/​anodizers-accessories|www.reactivemetals.com]]   * Reactive Metals [[https://​www.reactivemetals.com/​anodizers-accessories|www.reactivemetals.com]]
     * [[https://​youtu.be/​2qTZmz8HoOs|YouTube video]]     * [[https://​youtu.be/​2qTZmz8HoOs|YouTube video]]
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