diamod-black-bronze-salt

DIAMOND  CHEMICALS

Manufacturer of  acid Zinc, Nickel, Antique, Acid Gold and Neutral Gold electro-plating chemicals, electroplating plant and it’s equipments, plating rectifiers and  heat chambers. Offers expertise.On any kind of plating system and design of delicate plants.  Wire galvanizing plant                                                   
19,k.s.dutta road. Nimta kolkata 700049. Tel:033-25393159,Mob:9007575945 / 9883197050
e-mail: diamondbiswas@gmail.com.      or     diamondche2008@rediffmail.com

                   DIAMOND  BLACK  BRONZE  SALT
                       FOR  BRASS  ARTICLES  ONLY

TANK

Enameled iron or PVC or Plastic vessel with a lid .

PRE-TREATMENT

Brass articles must be thoroughly cleaned and they must be free from oils, dirts and oxide
Scales.                                                                                                                                      BRONZE SOLUTIONS
Cleaned articles should be immersed in the solution and agitate the solution till the desired color is obtained.

PRECAUTIONS

BRONGE tank must be closed with a lid so that the ammonia cant be driven off while the solution is not in use.

REPLENISHMENT

Replenish with more bronze salts and ammonia when the solution becomes weak.
CONCENTRATION
BLACK BRONZE SALT                              …. 200 gms.
OR                   
JET BRONZE SALT                                       ….200 gms.
LIQUID AMMONIA                                       …900 ml (Sp.Gr.O.88)
WATER                                                            … 250 ml.                                                       
                                                                                                                 
                                      PROCESS  SEQUENCE  CHART

01.Soak degrease at 50-60 degree C                11.cold rinse
  by Diamond’s metal cleaner.                         12.hot water rinse
02.cold Rince.                                                  13.drying in a drier
03.Cathodic electrolytic cleaning at                14. lacquring
   50-60 degree C.
04.Cold Rinse.
05.Cold Rinse.
06.5% cyanide dip. (optional)
07.Cold Rinse.
08.Hot Water Rinse.
09.Bronze plating.
10.Cold Rinse.

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