APP CAS No.:68333-79-9 Halogen Free Flame Retardant , Non - Flammable - Product

Other Specification :  1,Name:APP 201/fine-particle Ammonium Polyphosphate 2,CAS No.:68333-79-9 3,Appearance:white 4,Fuction:non-hygroscopic And Non-flammable APPCASNo.68333-79-9HalogenFreeFlameRetardant,Non-Flammable Description: APP 201 Is A Fine-particle Ammonium Polyphosphate. The Product Is Largely Insoluble In Water And Completely Insoluble In Organic Solvents. It Is White, Non-hygroscopic And Non-flammable. Whose Crystalline Is Phase II, N>1000. Applications: Intumescent Coatings On Account Of Its Low Water Solubility, APP 201 Is Particularly Suitable As An Acid Donor For Intumescent Coatings. Other Essential Components Of Intumescent Systems Include A Binder, A Carbon Donor And A Blowing Agent. On Exposure To Flame, Intuescent Coatings Form A Carbonaceous Foam Which Effectively Shields The Underlying Material From Temperature Increases. Steel Structures Coated With Intumesent Paints Can Meet The Requirements Of Fire Resistance Classes Specified In DIN 4102. The Application Of APP 201-based Intumescent Coatings On Wood Or Plastics Enables These Materials To Qualify For Building Material Class B1 (DIN 4102). APP 201 Imparts A Good Flame-retardant Effect To Adhesives And Sealants It Is Incorporated Into The Base Formulation At The Rate Of 10-20%. Polyurethane Foams APP 201 Is A Suitable Non-halogenated Flame Retardant For Polyurethane Foams. If Handling Of APP 201 As A Solid Is Not Possible We Recommend The Dosage Of The Flame Retardant By Preparing A APP 201 /polyol-suspension. Because Of The Low Acid Value Of APP 201,it Is Also Possible To Incorporate This Flame Retardant In A APP 201/isocyanate Suspension. To Prevent The Solids From Settling, The APP 201 Suspensions Be Stirred Or Circulated By Pump. The Stirrers Commonly Found In Service Tanks Are Adequate For This Purpose. With APP 201, The Following Classifications Can Be Achieved: PU Rigid Foam (density > 30 Kg/m3) DIN 4102-B 2 PU Rigid Integral Skin Foam

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