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Guangzhou Heng Hua Fine Chemicals Co.,  Ltd.
Guangzhou Heng Hua Fine Chemicals Co., Ltd.
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    Heavy metal ions blocking powder HH-195

    Heavy metal ions blocking powder HH-195

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    In reactive dyeing, the Turquoise Blue, Blue, Brilliant Green and other sensitive colors easily dyed flowers. To solve this problem we have done a lot of analysis tests, the use of solubilizer to increase the solubility of dye; dyeing process using soft water, and add the chelating agent to reduce the sodium sulphate caused by hardness, while improving, but you can not completely avoid the dyeing flowers and subsequently by a large number of trials found that there is a dye bath Fe3 +, Cu2 +, Zn2 +-induced dye accumulation of heavy metal ions such as lead-color flowers.
    Chelating agents on the market today chelation of iron ions are temporary in nature, with time, temperature, gradually release the Fe3 +, Cu2 +, Zn2 + and other heavy metal ions, while the dye molecular structure of a large anthraquinone dyes easily In the Fe3 +, Cu2 +, Zn2 + and other heavy metal ion-induced aggregation occurs, leading to color flowers.
    Domestic Sodium Sulfate, dyes containing Fe3 +, Cu2 +, Zn2 + and other heavy metal ions, plant piping, valves, boilers, piping contains large amounts of Fe3 +, Cu2 +, Zn2 +, etc. Therefore, the presence of iron is difficult to avoid, and no certain rule by adding metal ions, after blocking agents can block free of Fe3 +, Cu2 +, Zn2 +, in order to avoid color flowers.
    ¡¾Properties¡¿
    Composed of: a mixture of specific organic chelate
    Appearance: white to light yellow powder
    Ionic nature: Non-ionic
    PH value: 6-8
    Stability: acid, alkali, salt, high resistance
    Features¡¿ ¡¾Application
    1. Dyeing using well chelated iron, copper, zinc and other heavy metal ions do not change with time, temperature changes and the release in order to avoid dyeing flowers
    2. For iron, copper, zinc and plasma blockade agent, on the calcium and magnesium ions also have a very strong chelating
    3. Pre-treatment be used well in stopping heavy metal ions, to avoid the intense catalytic decomposition of hydrogen peroxide, causing holes, so that a stable and slow the decomposition of hydrogen peroxide to improve the whiteness and the bleaching of residual oxygen content after the cloth is not too high
    ¡¾Use Process¡¿
    This product is highly concentrated product is generally recommended to use diluted 4-6 times
    Dye bath in the use and heavy metal ion content in the dye bath is proportional to
    Flow of iron, copper, zinc and other heavy metal content of 100ppm, then the metal ions sealing agent is 1g / L.
    Recommended the use of pre-treatment: 0.2g/L- 0.5g / L
    Dyeing usage: 0.5g/L- 1g / L



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