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          Welcome: Zouping Dongfang Chemical Industry Co., Ltd.
          Language: Chinese ∷  English

          Formula-based special products

          • DF Series Phosphorus-Free Prefilm Agents
          DF Series Phosphorus-Free Prefilm Agents

          DF Series Phosphorus-Free Prefilm Agents

          • DF Series Phosphorus-Free Prefilm Agents
          • Product description: This product belongs to the environment-friendly product. It can form a dense passivation layer on the metal surface in a short time. Pre-film can effectively reduce the oxidation corrosion and electr
          • INQUIRY

          Properties and Purpose:

          This product belongs to the environment-friendly product. It can form a dense passivation layer on the metal surface in a short time. Pre-film can effectively reduce the oxidation corrosion and electrochemical corrosion on the metal surface, prolong the service life and maintenance time of the equipment, reduce the deposition of scale, and avoid the corrosion under scale. DF series of non-phosphorus pre-film agent has fast film formation speed and low temperature formation. Membrane characteristics.

          Quality index:

          items

          index

          Appearance

          Yellow to brownish-red liquids

          Solid contents ,

          10.0

          Density   g/cm3

          1.10

          PH (1% solution)

          3.0±1.0


          DF series of non-phosphorus pre-film agent has excellent film-forming and anti-oxidation performance, which can protect metal surface from corrosion. It is suitable for anti-oxidation and anti-corrosion treatment of metal pipeline equipment after new construction or maintenance and cleaning of various circulating cooling water systems, such as power, steel, fertilizer, central air conditioning, etc.
          This product is put into the system after equipment cleaning and replacement. It can be used at room temperature. The water temperature above 20 C is better. The reference usage is generally 80 ppm. The specific usage quantity is based on the field water quality and equipment material experiment.

          Package and Storage:

          When using this product, pay attention to wearing labor protective articles, precipitation may occur at low temperature, it can be dissolved at a slight temperature, and the effect of use will not be affected after dissolution.

          safety protection

          This product is weak acidic, pay attention to labor protection during operation, should avoid contact with skin, eyes, etc., after contact, rinse with clean water.

          LATEST NEWS

          CONTACT US

          Company: Zouping Dongfang Chemical Industry Co., Ltd.

          Tel: 0543-4501076

          Fax: 0543-4502242

          Email: dongfang@sddongfang.com

          Add: Haosheng Town,Zouping County,Shandong,China

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