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cyanide free silver plating chemical
,matte silver plating solution
,electronic plating chemical with warranty
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UseSilver Plating
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TypeMatte Silver
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ItemChemical Auxiliary Agent
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CharacteristicCyanide-free
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Place of OriginCHINA
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Brand NameFENGFAN
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Model NumberFF-7800
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Minimum Order QuantityNegotiable
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PriceNegotiable
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Packaging DetailsStandard export packaging
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Delivery Time15-25 work days
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Payment TermsL/C,D/A,D/P,T/T,Western Union,MoneyGram
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Supply Ability200000pcs/day
FF-7800 Cyanide Free Matte Silver Plating
FF-7800 Cyanide Free Matte Silver Plating
1. Features
The silver layer of FF-7800 cyanide-free silver plating process is matte silver, with good stability of the plating solution and easy maintenance; high current efficiency, good dispersing and covering ability; cyanide-free formula greatly reduces the pollution of the environment; the plating layer has good weldability, good conductivity, and good resistance to discolouration; and it can be applied in the industries of electrical appliances, electronics, telecommunication equipments, and instrument and meter manufacturing.
2. Process flow:
- Pretreatment
- Water washing
- Activation
- Water washing
- Pre Silver Plating
- Silver Plating
- Recovery
- Water washing
- Water washing
- Anti colour change treatment
- Pure water washing (Temperature 50℃)
- Pure water washing
- Drying
3. Cyanide-free silver plating solution components:
| Item | Standard | Range |
|---|---|---|
| Silver Nitrate | 28 g/L | 25~30 g/L |
| FF-7800M | 600 ml/L | 500~700 ml/L |
| Pure water | Remainder | Remainder |
4. Cyanide-free silver plating operation conditions
| Operation conditions | Standard | Range |
|---|---|---|
| Cathode current density | 0.5A/dm2 | 0.3~1.0A/dm2 |
| Cathode/anode area ratio | 1 : 2 | 1 : 2~4 |
| pH | 9.5 | 9~10.5 |
| Temp | 38℃ | 35~45℃ |
| Filter | Continuous filtration | Continuous filtration |
| Stirring (cathode movement) | 3～4 m/min | 3～4 m/min |
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