R.C. Industries - Gold Platings
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Gold Platings


Gold Plating for coating any metallic substrate material

Gold is yellow to orange in color depending on process used; ranges from matte to bright. Excellent corrosion- & tarnish resistance; an excellent electrical conductor. Good solderability at thickness below 20 microinches. Hardness of hard gold ranges from 130 to 200 +Knoop, at which gold has good contact lubricity.

PURITY OF DEPOSIT
  • 99.7% gold minimum (Grades A, B, or C)
  • 99.0% gold minimum (Grades B, C, or D)
  • 99.9% gold minimum (Grade A only)
DEPOSIT HARDNESS
  • Grade A 90 Knoop hardness (maximum)
  • Grade B 91-129 Knoop hardness
  • Grade C 130-200 Knoop hardness
  • Grade D 201 or above Knoop hardness
  • Class 00 .000020" minimum thickness
  • Class 0 .000030" minimum thickness
  • Class 1 .000050" minimum thickness
  • Class 2 .000100" minimum thickness
  • Class 3 .000200" minimum thickness
  • Class 4 .000300" minimum thickness
  • Class 5 .000500" minimum thickness
  • Class 6 .000150" minimum thickness




Capabilities · Quality Assurance

Capabilities

Gold on Bright Nickel

GOLD on Bright Nickel
  • rack plating
  • barrel plating
certified to MIL-T-10727c & QQ-N-290a

Gold on Sulfamate Ni

GOLD on Sulfamate Ni
  • rack plating
  • barrel plating
certified to MIL-T-10727c & QQ-N-290a

Gold on Copper

GOLD on Copper
  • rack plating
  • barrel plating
certified to MIL-T-10727c & MIL-C-14550b

Specifications(Military, Federal, and ASTM)

MIL-G-45204, type-II, GRADE C & D

Industries Served

Military
Automotive
Electronic
Telecommunications

Specifications(Military, Federal, and ASTM)

Black Oxide Coating: MIL-C-13924c
Chemical Finish: MIL-F-495e
Copper: MIL-C-14550b
Electroless Nickel: MIL-C-26074e
Gold: MIL-G-45204c (A: 90khn, B: 91-129, C: 130-200, D: 201+)
Nickel: QQ-N-290a (Bright, Sulfamate, Black, Strike)
Phosphate: light TT-C490c
Phosphate: heavy DOD-16232-f
Silver: QQ-S-365d (Type I, Type II, Type III)
Tin: MIL-T-10727c (Type I, Type II)
Tin-Lead: MIL-P-81728c (90:10%, 60:40%, 10:90%)
Zinc: ASTM B633 (Type I, Type II, Type III, Type IV)
Black Chrome: MIL-C-14538c
Cadmium: QQ-P-416e (Type I, Type II, Type III)
Chemical Films: MIL-C-5541e
Chemical Finish: MIL-495e
Chrome: QQ-C-320b (Class 1, Class 2, Class 2a-e)
Chromic Anodize: MIL-A-8625e
Dow Process: MIL-M-3171c (No. 1, No. 7, No. 9)
Hard Anodize: MIL-A-8625e
Lubricant (solid film): MIL-L-8937d
Passivate: QQ-P-35c (Type II, Type VI, Type VII, Type VIII)
Palladium: MIL-P-45209 (100% Pd, 70:30 PdNi, 50:50 PdNi, 30:70 PdNi)
Rhodium: MIL-R-46085 (Type I, Type II)

Quality Assurance

Quality Assurance-Standard Services & Practices

Quality Assurance
Standard Services & Practices

MIL-Q-9858a functions and services provided on request at a fee

Quality Control maintains all measuring & testing devices on formal calibration program according to Mil-Std-45662 with certifiable traceability to N.I.ST.

Customers may request Certificates of Compliance to any published specification or standard; this, at a nominal fee to defray clerical expenses.

Performance and functionality testing will be performed by independent laboratories at the customer's expense.

Capabilities
  • 500 salt spray test
  • steam-age test
  • humidity testing

Coating Thickness
  • x-ray fluorescence
  • betaray backscatter
  • coulometric
  • microsectioning
  • eddy-current
Porosity/Continuity
  • alkaline polysulfife
  • electrolytic gel



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width= Specifications(Military, Federal, and ASTM)
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R. C. Industries, Inc. | Provider of Coatings for Black Oxide Stainless Steel, Brass & Copper