PRODUCTS

We invite you to explore our full range of advanced chemical products designed for efficient and sustainable metal recovery.

Gold Stripper

UW-700 Electrolyte Gold (Au) Stripper

Description:

UW-700 electrolysis gold (Au) stripper (Cyanide Free), is an eco-friendly product, which has the high gold stripping rate. UW-700 has passed the RoHS certification by SGS, and submitted the invention patent in Taiwan, China and USA.

Advantages and Characteristics:

No corrosion on Ni or Sn Layer
No color change and decrease in quality of corrosion resistance
High speed in stripping, average rate is 0.5~2 mm/min in Au stripping
Cyanide and toxic free, completely meets RoHS requirement
It can be used in reel to reel plating, barrel plating and rack plating
Low foaming when processing
It can strip Au selective area precisely

UW-700 Electrolyte Gold (Au) Stripper

Description:

UW-860 Gold (Au) stripper is a non aqua regia and cyanide free chemical stripper. The pH of UW-860 is 7.4, the mind formula revolute the traditional chemical Gold stripping technology that has the questions of high corrosive and toxicity.

Advantages and Characteristics:

Suitable for Au layer removes
Corrosion on Ni or Cu, but no affact on stainless steel
Owns wild operation range, with functioning well on room temperature
Cyanide and toxic free, completely meets RoHS requirement
High strip amount with 13g/L, much higher than Cyanide and aqua regia
Shows a pic of a PCB with 0.075um Gold plating layer --> soaked into UW-860 (30 degrees C 3 minutes) --> Gold layer removed totally

Silver Stripper

UW-602 Electrolyte Silver (Ag) Stripper

Description:

UW-602, a non-toxic silver stripper, could easily removes Ag layer from products by applying electrolyte process. No damage on Cu substrate. UW-602 does not contain cyanide or any toxic components, and meets with RoHS requirements.

Advantages and Characteristics:

No corrosion on Ni or Cu substrate
High speed in stripping, average rate is 0.5~2 mm/min in Ag stripping
Cyanide and toxic free, completely meets RoHS requirement

AgST-350 Chemical Silver (Ag) Stripper

Description:

AgST-350, a non-toxic silver stripper, could easily removes Ag layer from products by using chemical method. AgST-350 does not contain cyanide or any toxic components, and meets with RoHS requirements.

Advantages and Characteristics:

High speed in stripping, average rate is 0.3~1 mm/min in Ag stripping
Cyanide and toxic free, completely meets RoHS requirement

Tin Stripper

SnST-550 Tin (Sn) Stripper

Description:

SnST-550 Tin (Sn) stripper is used to strip pure Tin, SnCu alloy, SnBi alloy, SnPb alloy, it can apply to strip the Tin plating layer on the Cu / Ni / PCB substrate.

Advantages and Characteristics:

Wide operation range (Static reaction and ambient temperature)
Cyanide and toxic free, completely meets RoHS requirement
High strip amount with 110~130g/L

Palladium Stripper

UW-400 Electrolyte Palladium Stripper

Description:

UW-400 Electrolyte Palladium (Pd) Stripper is used to strip the layer of Pd or Pd/Ni alloy. UW-400, a non-toxic Palladium stripper, removes Pd or Pd/Ni layer from electroplating and electroless Pd surface with reel to reel, rack and barrel plating processes. UW-400 does not contain cyanide or any toxic components, and meets with RoHS requirements, hence it reduces the treatment costs of waste water; provides easier management of chemical material in the factory.

Advantages and Characteristics:

High stripping rate (0.75 um/min at 4.0 voltage)
Cyanide and toxic free, completely meets RoHS requirement
It can be used in reel to reel plating, barrel plating and rack plating

Process:

Place the connector contact terminal (which has Pd/Ni alloy plating layer) into the UW-400 electrolyte Pd stripper solution
Operating conditions:
- pH of UW-400 electrolyte Pd stripper: 7.3
- Anode voltage: 4.0 V
- Reaction temp: 40 degrees C
- Reaction time: 60 sec
Pd/Ni alloy plating layer can be removed. After stripping, the contact terminal is copper substrate

Nickel Stripper

NST-350A Nickel (Ni) Stripper

Description:

NST-350A Nickel (Ni) stripper is used to strip pure Ni or Ni alloy. It can apply to strip the Nickel plating layer on the Cu substrate.

Advantage and Characteristic:

Wide operation range (Static reaction and ambient temperature)
Cyanide and toxic free, completely meets RoHS requirement
High strip amount with 70~90g/L

ITO Stripper

ITO-900 Stripper

Description:

ITO-900 is focus on recycle ITO (Indium Tin Oxide) from Opto-electronics and Display industry. ITO-900 could apply to strip ITO from Cu, Ni, Ti, ceramics, or stainless steel substrate.

Advantages and Characteristics:

Wide operation range (Static reaction and ambient temperature)
Cyanide and toxic free, completely meets RoHS requirement
High strip amount with 300~400g/L of ITO, refine 200~300g of pure Indium

Process:

Black waste ITO --> Grey waste ITO --> Sponge indium --> Indium (shiny metal)

Platinum / Palladium Stripper

UW-195 Platinum / Palladium Stripper

Description:

UW-195 Platinum / Palladium Stripper is used to strip Platinum or Palladium plating layer. UW-195, a non-toxic Stripper, does not damage the stainless steel, Plastic, ceramic, wafer substrate. UW-195 meets with RoHS requirements, hence it reduces the treatment costs of waste water; provides easier management of chemical in the factory. The saturation of UW-195 to Pt is 23 g/L, while to Pd is 70 g/L.

Advantages and Characteristics:

Easy to operate
Cyanide and toxic free, completely meets RoHS requirement

Pd Saturation Test Result:

Sample weight: 140g of Pd Catalyst
Solution Volume: 50ml (68% HNO3 25ml + UW-195 stripper 25 ml)
Saturation: 70g Pd/L
Reaction Time: 1 min
Temperature: 25 degrees Celsius

Pt Leaching Process & Results:

25g sample + UW-195 Pt leaching at 90 degrees Celsius, 4 hours
Filtrate analysis (XRF and ICP analysis conducted)

Lithium / Cobalt Stripper

UW-530 LiCo Stripper

Description:

UW-530 LiCo stripper is specially used for lithium and cobalt metal recycle in the battery industry. It has the characteristics of fast, safe, high recovery rate, and low cost and high efficiency. Use with UW-860 chemical gold stripper (Cyanide Free), gold could be recycled from LiCo battery as well.

Advantages and Characteristics:

High saturation (>75 g/L), with higher leaching rate (>99%)
Fast and easy to operate
Li and Co could be recycled at the same process
Eco-friendly
Cyanide and toxic free
Lower reaction temperature required
Few space required for equipment
Less waste gas/water/solid produced

Key Benefits:

Fast (2-4 hours)
Safe (toxic-free)
Lower temperature (122-176 degrees Fahrenheit)
Higher leaching rate (>99%)
Metals (Li, Co, Ni, Au)
Need few space for equipment
Reduce waste gas, water, solid
Lower cost but higher profit

Process:

Valuable metals (lithium and cobalt) --> Products (car and batteries) --> Waste batteries --> Valuable metals

LiCoO2 powder + UW-530 --> Black liquid (filtration) --> Splits into:
- Li+ and Co2+ ion --> Precipitation --> Cobalt recycling & Lithium recycling
- Residue
Residue + UW-860 --> Black stuff in beaker --> Splits into:
- Au+ ion --> Gold recycling
- Solid waste

UW-Discharging Agent

Description:

Eco friendly LIB discharging technology. The Discharge One is a kind of automatic machine for LIB discharging for use with our halogen free discharging agent.

Advantages and Characteristics:

Safe, neutral and halogen free (pH 6-8)
After discharging liquid is clean liquid (vs. traditional method produces turbid liquid)
Suitable for Li-polymer pack

Rare Earth Metal Stripper

UW-170 Rare Earth Metal Stripper

Description:

Traditional rare earth metals use a large amount of toxic or hazardous substances during processing. UW-170 eco-friendly rare earth stripper is non-toxic and cyanide-free chemicals. It doesn't include the fluoride and mercury. There are 17 kinds of rare earth metals can be stripped at the same time, the high-efficiency leaching rate, and the safe operation. There is no mine tailings pollution problem.

Advantages and Characteristics:

17 kinds of rare earth metals can be stripped at one time: Scandium (Sc), Yttrium (Y), Lanthanum (La), Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), Samarium (Sm), Europium (Eu), Gadolinium (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Erbium (Er), Thulium (Tm), Ytterbium (Yb), Lutetium (Lu)
Easy to operate
The reaction condition can be at ambient temperature
Eco-friendly and safety

Leaching Process:

Rare earth mine --> Leaching --> Leachate

Leachate Content (%):

Y (16.6), La (16.6), Ce (1.1), Pr (4.3), Nd (14.9), Sm (4.1), Eu (4.4), Gd (3.7), Tb (6.0), Dy (1.6), Ho (0.4), Er (1.4), Tm (1.8), Yb (1.3), Lu (0.2)

NdFeB Magnet Leaching Process:

NdFeB magnet (in beaker)
Grinding (black stuff in beaker)
Leaching process (brown liquid in beaker)
Purification (clearish liquid)
Final product (black powder)

Extraction Process Overview:

Efficiently leaches rare earth metals, including neodymium and praseodymium, from feedstock
Leaching efficiency >95%
Impurity iron concentration after purification <1ppm
Produces a mixed oxide of neodymium and praseodymium