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99.8% Purity Phosphorus Flame Retardant DOPO CAS 35948-25-5 White Flake For FCL / CCL

Categories Phosphorus Flame Retardant
Brand Name: TROZU
Model Number: DOPO(HCA)
Certification: REACH
Place of Origin: China
Payment Terms: Western Union, T/T
Packaging Details: 25KG/Bags
Purity: 99.8%
Appearance: white flake
CAS NO: 35948-25-5
name: flame retardant powder
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    99.8% Purity Phosphorus Flame Retardant DOPO CAS 35948-25-5 White Flake For FCL / CCL

    Phosphorus flame retardant DOPO CAS35948-25-5 white flake use for fccl&ccl


    AppearanceWhite flake solid
    MeltedFully fused, clarified and transparent.
    Methanol chroma (APHA)Less than 15
    Chlorine content (%)Less than 0.005
    Melting range (centigrade)116-120
    Volatiles (%)Less than 0.3
    Purity (%)More than 99
    Phosphorus content (%)More than 14

    Phosphphenanthrene cyclic phosphate is an organic phosphorus heterocyclic compound. It is a reactive and additive flame retardant with high thermal stability, oxidation resistance and excellent water resistance. It is mainly used in polyester fiber, polyurethane foam, thermosetting tree ester and adhesive. Because the flame retardant has a phosphorus carbon bond, its flame retardancy is better than that of ordinary phosphate. Abroad, it has been widely used in the flame retardancy of plastics, copper lining, laminate and circuit board for electronic equipment.


    Application area:

    1. Reactive flame retardants for epoxy resins.

    DOPO reacts with epichlorohydrin and then reacts with hydroquinone. Especially, epoxy resin is used as insulating material for electrical appliances and sealing material for semiconductors. It requires electrical appliances to be insulated, low volatility, low pollution, and ABS to have good compatibility.


    2. Stain preventive agent

    ABS, AS, PP, PS, epoxy resin, phenolic resin, alkyd resin, surfactant heating caused by coloring, polyurethane caused by light and heat coloring, adding DOPO can prevent coloring.


    3. Synthesis of new flame retardants.

    DOPO contains active O=P-H bond, which has high additive activity to olefin, epoxy and carbonyl groups. It can react to produce many derivatives, and form synergistic flame retardant with nitrogen, silicon and other elements.

    Quality 99.8% Purity Phosphorus Flame Retardant DOPO CAS 35948-25-5 White Flake For FCL / CCL for sale
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