LH - 12 Two - acid Environmentally Friendly Polishing Additive (Liquid)

Application and Features
- LH-12 is a combination of multiple organic acids, suitable for the production of bright surfaces of aluminum alloys such as sanded brushing, polished surface, machine polishing, etc.
- It does not contain nitrate, and the production process has no yellow smoe, no odor, and is safe and environmentally friendly.

Bath Preparation：(calculated based on 1ml)
- Phosphoric acid ratio：60%
- Sulfuric acid ratio：40%
- LH-12：50kg/mI
- Aluminum ion：25kg/m I
- Before making-up the bath, carefully check whether the stainless steel body welding joints are intact, whether the heating circulation pipes are leaking, and whether the ventilation pipes are normal. After the inspection is completed, add phosphoric acid and sulfuric acid to the bath in proportion, and add of the total volume of the bath for the first time. Start heating. When the bath solution temperature reaches 100°, stop heating, turn on the exhaust system, add LH-12 and stir evenly, and then add 25kg/m I of clean aluminum chips or aluminum profiles to dissolve. Do not add too much aluminum at one time during the aluminum dissolution process. Take a small amount and dissolve it multiple times before adding. After the aluminum is dissolved, stir evenly and the temperature drops to 100℃ to generate.

Process Parameters
- Temperature：95 - 105℃
- Time：1 - 5 minutes
- Density(25℃)：1.86 - 1.92
- Phosphoric acid content：45 - 55
- Sulfuric acid content：30 - 35%
- Water content：12 - 16%

Bath Maintenance
- The polishing speed of the new make-up bath is fast, the temperature should be lowered as much as possible. The polishing speed slows down as the aluminum ions increase.
- There is carry-out consumption during the production process, and it should be replenished in time according to the liquid level.
- Regularly analyze the phosphoric acid and sulfuric acid content of the bath solution.
- When not in production, it should be covered to prevent water inside. When it is not in use for a long time and is to be put into production again, the bath solution should be heated to above 130° and kept warm for more than 3 hours to evaporate the water

Packaging and Storage
- Packaging：Plastic barrel(35kg/barrel or 1000kg/barrel)
- Storage：Store in a cool, dry and well-ventilated warehouse, away from alkali and fire sources.

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0757-81792554

13927280599

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4th Floor, Building 1, Xiaobu Industrial Zone, Dali Town, Nanhai District, Foshan City, Guangdong

Address：

Shishan Julong Industrial Park, Nanhai District, Foshan City, Guangdong

Foshan Jinfei Eco-Tech Co., Ltd

Tel:086-757-81792554

Website:www.jin-fei.com
Sales Department: 4th Floor, Building 1, Xiaobu Industrial Zone, Dali Town, Nanhai District, Foshan City, Guangdong
Address: Shishan Julong Industrial Park, Nanhai District, Foshan City, Guangdong

LH - 12 Two - acid Environmentally Friendly Polishing Additive (Liquid)

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