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61767. Looking for the hardest, unscratchable finish for jewelry RFQ: Idaho - 11/26/24

10655. Tantalum Coating Processes - November 23

61772. Choosing a metal finishing process - November 15

12117. Deposition of Aluminum onto Steel then Anodizing - October 30

24110. PVDF / Kynar® vs. Powder coating - October 29

27702. Corrosion of silver caused by ZDDP (zinc based lubricant additives) - October 28

61760. Zinc Plate vs E-Coat - October 22

22143. 316 Stainless Shaft Gets Grooved by Radial Seals - September 25

45129. Anodizing vs. Powder Coating of Aluminum? - August 28

61705. Matching Finishes between Aluminium and Copper Parts - August 24

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61723. Mirror polishing very small hardened steel components - September 25

61715. Shot blasting for acidic electroplating - August 21

61708. Spots on steel parts from tumbling - August 19

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61776. Mixed metal pretreatment configuration - November 16

  1404. Electropolishing of silver - November 12

61755. Anodic Electrocleaning vs electrolysis of rust - October 16

61745. Problem aluminum phosphating mild steel - October 11

  0960. Black impression after zinc phosphate Inquirer often helps others, so especially deserves our help - September 23

61691. Zinc Phosphate - Coating Continuity Problem 2nd Request - September 23

53095. What is the best frequency range (28-40 HZ) for ultrasonic wax & degrease removal? - September 17

61728. Which chemicals for heat-treated Monel? - September 9

61707. Effective Replacement of HCl as Pickling Bath - August 19

  9146. Chemical & Electropolishing of Brass: solutions, procedures, references - August 15

133/66. White Stain after Phosphating Die Castings - August 5

61701. Precleaning steel wire before plastic coating at high speed - August 1

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61747. Protective masking for stripping and re-anodizing - October 9

61735. Masking my CZ Shadow for Plating - September 22

27343. Masking for Nickel Plating - September 2

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33504. Anodizing Titanium for Wear Resistance & Anti-Galling - October 18

12146. Refinishing scratched stainless appliances - October 14

  2629. Component burned all the way through from electropolishing - September 24

55376. Pickling & Passivating 410S stainless steel per ASTM A380? - September 9

44070. Durable black coatings for stainless steel - August 28

44070. Durable black coatings for stainless steel - August 19

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53357. Slime/algae on surface of anodizing tank - 11/27/24

61775. Aluminum in the 1930's: "Deplated Finish" - 11/26/24

61774. Anodizing: Small Area That Doesn't Dye - November 23

61770. Simultaneous etch-passivation solution for aluminium pretreatment - November 18

14462. Spot type seal check for black anodized aluminum - November 14

61764. Skin products affecting dyed anodizing? - November 1

33883. Problems in Plating on Aluminum (ADC-12) - October 30

61762. Delay between Aluminum Chromate & Powder Coating - October 24

61744. Black Anodize Blemishes & Spots - October 14

61751. Problem dying anodized aluminum green - October 11

61737. Is Discoloration an Etching Problem? - October 11

61726. Black dust on dyed black anodized aluminium - September 28

27990. Anodizing is Flaking Off of 7075 Aluminum Parts - September 28

61700. Need titanium anodizer for multi-color sheets for kitchen cabinets RFQ open to all: London UK - September 25

60068. Aluminum sheet shows stripes after chromate conversion coating - September 23

61736. Affect of water on 6061 anodized aluminum - September 21

617/41. Aluminum certified as the same etches differently - September 18

24236. Epoxy primer not adhering to conversion coated aluminum (failing bend test) - September 9

51573. Anodizing rectifier & chiller sizing - August 28

42362. What were the two types in the old Mil-C-5541 spec? - August 27

61716. Odd porosity on anodized threads AFTER sealing - August 26

43484. Low Anodizing Thickness in Gap between Plates - August 26

61529. Anodized Aluminium edges not taking dye very well - August 12

  6784. Need 0.5 Ra after Anodizing - August 6

40035. Desmut can't remove black coloration from etching - August 5

61699. Alloy wheels: is chrome plating or anodizing better? - August 1

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54061. Copper Pyrophosphate Plating for DMM Recording Disks - 11/28/24

61647. Complete Process for Cleaning, Cu, and Ag Barrel Plating - 11/28/24

  3892. Ti-Cd: Bath concentration okay, but weight percentage of Ti in plating is low - 11/28/24

28851. Zinc-nickel plating makes metal dust when crimping - 11/27/24

61725. Hard chromium plating rate is way low Inquirer often helps others, so especially deserves our help - 11/27/24

61768. Cyanide Copper & Stannate Tin Process Questions - 11/25/24

23632. Tin Plating Problems: black spots - 11/25/24

323/63. Acid zinc plating Anodes Q&A - November 19

61771. Cadmium Density vs. Plating Speed Inquirer often helps others, so especially deserves our help - November 15

61761. Nickel-Cobalt Electroplating - October 31

61703. Tri-chrome chloride bath stain - October 30

31816. Electroplated gold turns red - October 30

61749. Need parts plated to GM-6164M RFQ: Jackson, MI - October 15

14461. Hard Chrome Plating Peels Off of Inconel - October 14

42447. Egg Albumin Is Staining Nickel Electroforms - October 13

61752. Cyanide copper plating on zinc diecast - October 13

61748. Purple Color on Filter of Gold Cyanide Plating Bath - October 9

61740. Can We Chrome Plate Super Duplex S32760 - October 9

61686. Zinc Plating Peels Off Stainless Steel During Crimping Process - October 9

55225. Alkaline zinc plating problem: Black dots/spots - October 8

12879. Rack mark / jig mark problems in electroplating - October 8

49009. Chrome Bath Help: Chrome to Acid Ratio - October 7

34023. Nickel-Chrome plating on Brass Problems - September 29

61720. Hard Chrome VI plating throwing power problem Inquirer often helps others, so especially deserves our help - September 23

61615. Zinc plating with blue passivation is yellowish at holes - September 23

61603. Zinc Plating has white & red rust without a cause - September 23

13356. Zinc Plating of 12L14 Leaded Steel - September 23

61738. Acid Zinc Plating Bath White Appearance - September 21

61734. Cleaning Porous Pot Cathodes - There's gotta be a better way! Inquirer often helps others, so especially deserves our help - September 17

59181. Need Electroplating on 3D Printed Jewelry RFQ: San Diego, CA - September 17

61729. Is This a Chrome Plating Defect? - September 17

12243. Black Spots when Tin Plating Brass - September 9

61722. Lead plating of umbrella wires/tubes - September 7

17311. How to do copper plating on aluminum roller? - September 5

52602. Grayish black spots over time in zinc plating - August 29

61717. Separating copper and nickel for optics - August 28

61713. Accidentally Put Dechrome in Chrome Plating Tank - August 21

61710. Fluoborate Copper plating process - August 21

61709. Plating blisters observed on tin finish after annealing - August 21

61702. Zinc-Nickel Plating -- Dark Deposit in LCD Area - August 5

  1503. Platinum Plating: How to Determine Replenishment - August 3

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584/27. "Water spots" on electroless nickel plated parts - 11/25/24

61763. Electroless nickel plating: white marks - October 31

34541. Electroless Nickel with PTFE Plating Problems - September 9

61724. Silver mirroring puddles on glass, oxidizes at the edges - September 8

61711. Need Cosmichrome in California RFQ: California - August 21

61608. Electroless copper plating onto wax - August 1

53623. Electroless Plating onto LCP Engineering Plastic - August 1

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60771. High Temperature PVD Coatings - November 15

  7846. PVD coatings: color control Q&A's, Problems & Solutions - August 26

28527. Vacuum Metallizing Gets Hazing as soon as Top Coated - August 5

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61743. Galvanizing Vats Overheated ... Need supplies, lab equipment, etc. RFQ: Angola - October 13

61741. Agitation of Galvanizing Flux Inquirer often helps others, so especially deserves our help - September 28

45309. White spots left by coolants on galvanized steel - August 19

61698. Planning a small HDG plant - August 18

38205. Galvanizing problem: Excessive aluminum in zinc - August 12

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61773. Black spots on chemically blackened brass - November 15

11776. Standards for Oiling of Black Oxided Parts - October 15

36214. Formula for cold blackening / cold black oxide - October 6

  1150. How to Get Clear Coat Look from Gun Bluing? - August 3

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28621. Geomet 750 Hp galvanizing - August 6

55366. Ferritic Nitrocarburizing has red color to it? - June 15

52675. Process Comparison for Tufftriding and Nitriding - March 20

40139. Rust spots on pickled coil after a few days - September 1

52455. Actual costing of powder coating in India - October 6

61704. Powder Coating on Zinc Plating with White Rust - August 20

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  5418. Clear Coating Black Oxided Stainless Steel? - November 18

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61730. Epoxy ink fisheyeing on TGIC-polyester powder coating - September 10

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38577. Need Iridite 17p RFQ: California - September 7

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26968. Properties of 2024 T351 - August 13

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61754. Zinc Phosphate stripping for coating weight - 11/25/24

11499. Stripping TiN (Titanium Nitride) Coating from Titanium - 10/31/24

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32952. Diphenylcarbohydrazide Trivalent/Hexavalent Chrome Testing - November 23

61778. Need to create pitting corrosion on stainless steel - November 23

  2183. Can you reliably measure nitric acid concentration with specific gravity gauge? - October 13

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61746. Determining if WWT sludge is hazardous? - October 9

12375. Remove Copper from Plating Waste - September 23

61714. Sludge from ETP plant - August 21

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20858. Toxicity of nickel silver punch bowl - November 1

40657. Inhaled fumes from Bleach and C.L.R. accidentally mixed - September 20

61727. Popping Popcorn in Galvanized Buckets -- is it safe? - September 8

32977. Diatomaceous Earth and Shellfish Allergies? - August 21

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61779. Ideas for heating an alkaline zinc bath? - 11/25/24

59993. Exhaust method & calculations for plating tanks - November 18

39155. Stripping plastisol from plating racks - November 12

61757. Ideas for heating an alkaline zinc bath - October 21

11465. Sludge buildup on heating coils in phosphating tank - October 10

123/73. Zinc oxide production by French process? - September 19

617/33. Heating Chrome tanks with Hot Water in Lieu of Steam - September 16

61721. Titanium Grade for Aluminum Anodizing Jigs - September 7

43515. Air Agitation of HCl Pickle Tank - August 14

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34214. MIL-DTL-5541 Adhesion tape testing with 3M #250 discontinued - November 23

61769. ASTM B700, Type II, Grade D, Class N vs. Class J? - November 18

61753. What is Phosphate Treatment 5.1.3.3 from spec 1.9.3? - October 30

61758. Did Wahl Clippers Have Cadmium Plating in the 1970s? - October 21

61632. Does MIL-C-5541 forbid a "Do Not Etch" instruction? - September 17

42362. MIL-C-5541 Chemical Conversion Coat -- Legacy Q&A's - August 26

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61766. What is Black Luster® Finish for Fasteners - October 31

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61777. 3d printed Inconel 718 part turns blue in vacuum heat treatment - November 16

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33616. Gold Recovery for Dummies - September 28

27814. How to Recover Platinum from Catalytic Converters - August 2

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19039. Cast Iron Cook Stoves: restoration hints plus where to find parts and info - 11/27/24

61780. Preparing Part for Replating with Chrome - 11/27/24

33956. How to darken aluminum. Want golden yellow look on aluminum - November 16

20240. Penny isn't copper color - what do I have? - October 29

18519. Cleaning & polishing gold plated flatware - October 24

61756. Anodizing aluminum: dye is splotchy - October 21

28963. What could be causing the pitting and corroding to chrome fixtures - October 8

  2662. Preserving heat coloring of copper when clear coating - October 6

44380. Nickel plating, how much SLS for wetting agent? - October 6

30186. Lime-Away Damaged Stainless Steel Sink - September 19

33143. Stiffel Lamps: need screws that hold laurel leaves - September 10

22903. Ospho prep left tacky film - September 8

61718. Barbell discolored in storage - September 2

19105. Found a silver penny - August 29

16304. Need 29 Emtek Brass Door Knobs Refinished RFQ open to all: Texas - August 28

38628. Gold plating of lead - August 28

12841. Arcing, Popping & Hydrogen "Explosions" in Plating - August 27

38137. How to Paint Bathtub Jets - August 19

37205. Sterling silver vs. silver plate -- How to tell? - August 11

10664. Touching up powder coated aluminum outdoor furniture (Tropitone) - August 10

55951. Home nickel plating with vinegar and salt - August 1

  8575. Remove Water Stain from Teak - August 1

60191. Restoring black exterior door hardware - August 3

16699. Want Geneva Metal Kitchen Cabinets RFQ open to all: New York - August 2

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61739. Electroplating V, Zr and Ti - September 28

61719. Electroplating: Role of a chemist - September 10

28889. Measuring the pH of air - August 24

61712. Galvanic Issues with Nickel-Plated Aluminum vs. Stainless? - August 21

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  6507. Benzotriazole and substitutes for brass corrosion control - November 16

61750. Forcing a white patina on zinc for watch dials - October 11

24061. Finish for Bare Steel -- linseed oil? - August 10

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14342. Is it a Stiffel? - 11/28/24

12873a. Removing Silica Water Stains - November 23

30479. Copper corrosion and blue water in residential water system - November 18

29370. Marking system for rings, Hallmarks - November 13

44190. Problem related to cyanide addition - November 13

61765. Is Spirits of Nitre or Paregoric good for your nerves? - October 31

26801. Solving an electrolysis problem in home plumbing - October 25

  2259. High Temperature Adhesive for Mica to Silicone Rubber - September 23

23897. Identify this unique lamp - August 18

61706. Kitchen Floor Stained by Glue Trap - August 18

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