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          JD-657 APP Phase II

          Crystal form phase II ammonium polyphosphate (JD-657) is a nitrogen-containing halogen-free environment-friendly flame retardant, especially for the use of anti-fire retardant coating .The product has high degree of polymerization, good thermal stability, low hygroscopicity. Unlike halogen-containing flame retardant, in the burning process it forms expanded carbon layer to insulate heat and air. JD-515 has low smoke, low toxicity, no droplets, is a highly efficient inorganic environment-friendly flame retardant.

          Molecular Formula: (NH4PO3)n n>1000

          Model No.: JD-657

          Crystal form phase II ammonium polyphosphate (JD-657) is a nitrogen-containing halogen-free environment-friendly flame retardant, especially for the use of anti-fire retardant coating .The product has high degree of polymerization, good thermal stability, low hygroscopicity. Unlike halogen-containing flame retardant, in the burning process it forms expanded carbon layer to insulate heat and air. JD-515 has low smoke, low toxicity, no droplets, is a highly efficient inorganic environment-friendly flame retardant.

          Specification:

          Technical Index

          Chemical Industry standard

          HG/T2770-200

          Enterprises Standard
          AppearanceWhite powderWhite powder
          P2OContent%≥71≥71
          N Content %≥14≥14
          Average Polymerization degree(n)≥1000≥1000

          P Value值

          5.5-7.55.5-7.5
          Particle Size(D50um)≤205
          Solubility≤0.50.5
          Moisture≤0.250.25
          Bulk Density0.5-0.70.5-0.7

          Uses: JD-657 is widely used in plastic (PP, PE, PVC, etc.), polyester, rubber, all kinds of high-grade expansion of fireproof coatings and other fields.

          Packing: in net weight 25kg plastic woven bags lined with plastic liner.


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