Physical and Chemical Index
    Appearance：light yellow poeder Solubility：120g 50℃
    Shade： Lightening blue／ blue／blue-violet／glow
Features
    1, High-tech antimicrobial resistance ,the matters have excellent health keeping function and it is the trand of the products in the future.
    2, The double fluorescence elements endow high lightening degree and bright-colored degree.
    3, High elevating ability.
    4, In room temperature，it has great absorptivity as well as acid and double oxygen water stability.
    5, This product It can be used for PH Value 5—12.5.
Usage method
    1, Use （ cotton）
    4BK 0.5--1.0% temperature 60℃—100℃
    Glauber salt 5g/L time 20—30mins
    It can be used for conditions 90℃×30mins
    2, Single step
    Scouring agent 0.5--1.0% Caustic soda 1—3%
    and double oxygen water 4—10% water glass 2—4%
    3, Multiple steps（ cotton）
    and double oxygen water 4—8% Caustic soda 1—3%
    water glass 2—3% Scouring agent 1—2g/L
    30mins reach to boiling point，keep the temperature50—60mins，cool to 60℃ and add 4BK 0.2--1.0%
    4, Multiple steps（polyester cotton）
    and double oxygen water 4—8% Caustic soda 2—3%
    water glass 10—15g/L Scouring agent 0.5--1.0g/L
    30mins reach to boiling point，maintain this temperature60mins， pure the water and add polyester whitening agent 0.2--0.8%, Dyes agent 1—2%, scattering agent 0.5g/L.
    Heating or boiling point or 130℃maintain this temperature30mins，cool and add 4BK 0.2--1.0%，Glauber salt 2—5g/L
    Heating or boiling point， keep warm 30mins，wash，drying.
Application
    can be used in cotton Fluorescent brightener ，for its double oxygen water resistance performance, it can be used in bleaching dyeing.
Package and Storage and transportation
    25KGpaper bags or 50KG paper bucket,light，
    It should be stored in cool, dry, ventilated warehouse， shelf life is one year.
Instruction（Please read carefully)
    All the application environment of the products should be fully tested to make sure the specific application and the relative arts. The above conditions are for reference. The medicine and amount should be regulated according to the quality requirement. The article was written according to the existing technical knowledge and experience. The customers self-test is reasonable as for many elements can affect the conditions. The data can not be guaranteed to be fully true in law or those special conditions. What is more, you need the relative documents if the application environment should be approved by relative departments.