• <strike id="1owfi"><video id="1owfi"></video></strike>

    <th id="1owfi"><sup id="1owfi"></sup></th>

    <th id="1owfi"><video id="1owfi"><acronym id="1owfi"></acronym></video></th>
    <strike id="1owfi"></strike>
    <th id="1owfi"></th>
    <thead id="1owfi"><option id="1owfi"><wbr id="1owfi"></wbr></option></thead>

  • +86-519-88612610

    SM-3210H Pretreatment filming agents

    Features:

    ◎prefilming Inhibitor composed of polyphosphates and zinc salt;form a layer of thin and compactfilm on the surface of metal when there is a high concentration. 

    ◎fast rate of film formation andefficientfilmrepairing.

    Index:

    Appearance

    colorless or yellow transparent liquid

    PH(1% aqueous solution)

    2.5~3.5

    Total phosphorus content(PO43-

    ≧50.0%

    Zinc(Zn2+)content

    ≧8.0%

    Fields:

    This product isbe suitable forpre-filming treatment in recirculating cooling water system.

    Usage:

    Application concentration:200~300㎎/L.

    When it is compounded with 100㎎/L scale inhibiting-dispersing agent,PH:6.0~7.0. The time ofpre-filmis 48hours(cold state) and 24hours(thermal state).

    When it is used as corrosion inhibitor in normaloperation,the general dosage is10~30㎎/L in line withcalcium ion concentrationin water.The proportion is 1:1.1~1:1.3.

    Packaging and storage:

    ◎25㎏packed in awoven bag.

    ◎Stored in a cool and dry place.

    ◎Usable life:1 year.

    http://www.paymentsineurope.com/en/ChanPinZhongXin_v167.html

    Changzhou SanmingJingHui Environmental Protection Technology Co., Ltd.

    Contact:Ms Zhang
    Mobile:13685271879
    Address:HengshanQiao Town, Changzhou, Jiangsu, China

    一级做a爱片久久毛片