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        Prefessional 
        Halogen Free Flame Retardant Manufacturer

        Flame Retardant For Fireproof Coating - EPFR-APP222H



        Among the PreniphorTM EPFR-APP (Ⅱ) series nitrogen-phosphorus inorganic flame retardants, Preniphor? EPFR-APP222H is a kind of high polymerization degree, crystal type Ⅱ ammonium polyphosphate without activating and surface treatment. It has high content of phosphorus and nitrogen, excellent thermal stability, near-neutral and non-toxic smoke property. With gas source and carbon source, it takes effect by char formation and intumescent mechanism.


        EPFR-APP222H is highly recommended to intumescent coatings


        Compared with other similar commercial products,at the same dosage, EPFR-APP222H has much lower viscosity in water, polyol suspension of polyurethane and better stability for long term storage. 


        Index:

        Test  Item

        Unit

        Target value

        Whiteness

        ——

        ≥88

        Density

        g/cm3

        1.9

        Bulk Density

        g/L

        700

        Polymerization Degree

        ——

        ≥1000

        pH Value

        (25℃,10% Suspension)

        ——

        6.07.5

        Viscosity

        (25,10% Suspension)

        mPa.s

        ≤50

        Decomposition Temp.

        ≥260

        Phosphorus

        % (w/w)

        31.032.0

        Nitrogen

        % (w/w)

        14.015.0

        Water Solubility

        % (w/w)

        ≤0.5

        Average Particle Size(D50)

        μm

        12

        Residue on Sieve

        % (w/w)

            0     (40 meshes)

        0.001%  (60 meshes)

         0.03%  (150 meshes)

        Acid Number

        mgKOH/g

        ≤1.0

        Water/Moisture

        % (w/w)

        ≤0.25

        Toxicity And Environmental Hazard

        ——

        Not Detected








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        Strict Quality Control



        Presafer runs a comprehensive quality control management system, Every step completely meets requirements of ISO 9001:2015 ISO14001:2015, OHSAS18001;2007. We always puts extreme focus on the quality of both raw materials and final products and other details. Here is quality control process.










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        Comprehensive Technical Support



        Presafer has an experienced application team, with complete first class equipments, we are able to provide prompt solutions for any customers anywhere.










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