TIN BRIGHT SALT 681

Product Description

                  TIN BRIGHT ACID PLATING PROCESS-681

 THIS  IN AN ACID TIN PLATING PROCESS CONSIST OF TIN  SALT-681  AND TWO  MAKE UP, AS WELL AS MAINTENANCE  ADDITION AGENT  VIZ.,CARRIER     BRIGHTNER - 684 AND BRIGHTNER - 682. THIS PROCESS PRODUCES  MIRROR     BRIGHT DEPOSIT OVER BRIGHT NICKEL OR HIGHLY BUFFED BRASS  SURFACES     IN  RACK AND BARREL PLATING PROCESSES. THIS PROCESS  IS  EFFECTIVE     FOR  THE APPLICATION IN THE ELECTRICAL AND ELECTRONIC  INDUSTRIES,     FOR FOOD PROCESSING EQUIPMENTS, KITCHEN AND DOMESTIC TABELWARE, IT     PROVIDES  A BRIGHT CLEAN, NON-TARNISHING AND CORROSSION  RESISTANT     FINISH WITH EXCELLENT SOLDERABILITY.

BATH MAKE UP AND OPERATING CONDITION:

TIN BRIGHT SALT - 681                                  30        GM/LITRE

 SULPHURIC ACID LR GRADE                  105       ML/LITRE

TIN BRIGHTNER - 684                                 25-30     ML/LITRE

 TIN BRIGHTNER - 682                                15-20     ML/LITRE

  DENSITY                                                      17-90     BE

  TEMPERATURE                                           ROOM    

  ANODE CURRENT DENSITY                    1.0-2.0   AMP/SQ.DM

  CATHODE CURRENT DENSITY (RACK)0.5-3.0   AMP/SQ.DM

                                                       (BARREL)0.5-2.5   AMP/SQ.DM

  AGITATION                                CATHODE ROAD MOVEMENT

  FILTARATION                              OCCATIONAL

  ANODE                                    99.99 % PURE

 VOLTAGE                                  1-3 (RACK),4-7 (BARREL)

RATE OF DEPOSITION AT 2 AMP/SQ.DM        0.8 MICRON PER MINUTE

CONSUMPTION :

BRIGHTNER  682                           250-300   ML/1000 AMP-HR.

BRIGHTNER  684                           150-200   ML/1000 AMP-HR.

BATH SOLUTION PREPARATION :

    1.    P V C LINED OR HDPE PLASTIC TANK IS PROPERLY  CLEANED  WITH

          DISTILLED WATER.

    2.    FILL THE TANK WITH HALF THE VOLUME OF WORKING LEVEL.

    3.    ADD CAUTIOUSLY REQUIRED QUANTITY OF L R GRADE SULPHURIC ACID

          WITH ENOUGH STIRRING.

    4.    ADD REQUIRED QUANTITIY OF TIN BRIGHT SALT - 681, SLOWLY WITH

          STIRRING.

    5.    DILUTE THE SOLUTION WITH DISTILLED WATER TO ABOUT 90  %  OF

          FINAL VOLUME.

    6.    ALLOW THE SOLUTION TO COOL TO ROOM TEMPRATURE .

    7.    ADD  WITH  VIGOROUS STIRRING, CARRIER  BRIGHTNER  684,  AND

          MIX WELL.

    8.    ADD BRIGHTNER 682 WITH STIRRING.

    9.    BRING THE OPERATING SOLUTION TO FINAL VOLUME WITH  DISTILLED

          WATER AND START PLATING.

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