CADGNO CADMIUM SALT PROCESS

Product Specification

CADGNO  BRIGHT CADMIUM PROCESS – 770

CADGNO  IS  A HIGH SPEED BRIGHT CADMIUM  SOLUTION  WHICH  DEPOSITS SILVERY  BRIGHT  CADMIUM   COATING    AT     LOW     COST.  CADGNO   HAS  THE    FOLLOWING CHARACTERISTICS.

1. IMPROVED DEPOSIT DISTRIBUTION AND THROWING POWER.

2. HEAVIER DEPOSIT WITHOUT LOSS OF BRILLIANCE OR TENDENCY TO FORM

NODULES OR TREE.

3. STABLE BRIGHTENERS.

4. EXTREMELY LOW POROSITY WITH HIGH CORROSION RESISTANCE.

5. USEFUL FOR VAT & BARREL PROCESSES.

6. RECEPTIVITY FOR CHROME PASSIVATION.

MAKE UP QUANTITIES

FOR GENERAL PURPOSES RACK AND BARREL PLATING

CADGNO BRIGHT CADMIMUM SALT                 771       100 GM./LIT.

CADGNO BRIGHTNER                                            772        10 ML./LIT.

PURIFIER                                                                   203 (L)   02 ML./LIT.

FOR HIGH SPEED RACK AND BARREL PLATING

CADGNO BRIGHT CADMIMUM SALT                771B      175 GM./LIT.

CADGNO BRIGHTNER                                            772      10-12 ML./LIT.

PURIFIER                                                                203 (L)    02 ML./LIT.

OPERATING CONDITAIONS     771 PROCESS          771 B PROCESS

DENSITY                                                  8* BE                     12* BE

TEMPERATURE                                   20-40* C                    20-40* C

CATHODE C.D                                     1.0-3.0 AM/SQ.DM     0.5-3.0 AM/SQ.DM

ANODE C.D.                                         1.0-3.0 AM/SQ.DM     1.0-3.0 AM/SQ.DM

AGITATION                            CATHODE RECOMMENDED  CATHODE RECOMMENDED

FILTRATION                         OCCASIONALLY         OCCASIONALLY

VOLTAGE FOR VAT               1.5-2.5 VOLTS             1.5 – 2.5 VOLTS

VOLTAGE FOR BARREL        8.0-14.0 VOLTS       8.0 – 14.0 VOLTS

RATE OF DEPOSITION        0.8 MICRONS/MINUTE-AT 2.0 AM/SQ.DM

MAINTENANCE

CADMIUM  METAL CONTENT, CAUSTIC SODA AND SODIUM CYANIDE SHOULD  BE

MAINTAINED AS FOLLOWS BY ANALYTICAL CONTROL :

771 PROCESS          771 PROCESS

CADMIUM CONTENT AS METAL  17-19 GM/LIT.       20-22 GM/LIT.

TOTAL SODIUM CYANIDE              55-60 GM/LIT.      120-125 GM/LIT.

TOTAL CAUSTIC SODA                     20-24 GM/LIT.       25-30 GM/LIT.