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TPP
| TPP |
|
| Properties |
| Appearance |
White powder |
| Concentration in baths |
0.001-0.005g/L |
| Consumption |
0.05-0.1g/KAH |
| Applications |
1. In acid nickel plating bath, if the copper ion >10mg/L and zinc ion>20mg/L, dark-grey deposit will emerge in LCD areas,
embrittlement increased, or even black stripes could be produced. Directing to this problem, electrolytic treatment is
implemented to deal with the zinc ions, QT (copper-remover) is used to remove copper ion traditionally. However, the above
mentioned method is too comprehensive and time-consuming, it may affect the production. TPP will alter the potential of
copper impurity and zinc impurity, and subsides the impurities without electrolyzing or filtering the baths. Meanwhile, deposit
brightness is increased, nickel yellow stains are eliminated, and covering power is improved. TPP is especially used for zinc
alloy die-casting nickel plating bath to remove impurities.
2. Utilization method: dissolve 1kg solid TPP into 100kg deionized water and add 2-4ml/L into baths, it may remove copper
15mg/L and zinc 20mg/L. |
| Package and Storage |
| Package |
1000g plastic sealing bag |
| Storage |
Non-dangerous articles, be stored at cool and dry place | |