RDP flame retardant (CAS 57583-54-7) is high purity halogen-free aryl phosphate ester, resorcinol bis(diphenyl phosphate). High purity reduces impurity content and minimizes side reactions during high-temperature plastic processing. It provides efficient flame suppression for PC and PC/ABS resin systems, helping modified plastics pass UL94 V-0 vertical burning test. It keeps good thermal stability and polymer compatibility, widely adopted for high-grade flame-retardant engineering plastic alloy
Product DetailsChemical IdentityProduct Name: Resorcinol Bis(diphenyl phosphate), RDP CAS No.: 57583-54-7 Chemical Type: Halogen-free aryl phosphate ester Physical Form: Transparent viscous liquid Core Feature: High purity for PC & PC/ABS to achieve UL94 V-0
Key Performance & TDSThis high purity RDP flame retardant contains low impurity, less likely to cause discoloration or decomposition during extrusion and injection molding. Its high phosphorus content provides strong flame quenching effect in gas phase and condensed phase. At proper loading dosage, it allows PC and PC/ABS alloys to reach UL94 V-0 rating. It has low volatility and outstanding thermal stability, cutting down mold deposit and volatile emission. Excellent miscibility preserves impact strength, tensile property and surface quality of molded plastic parts. Halogen-free composition generates low smoke and non-corrosive gas upon combustion.
Applications
ComplianceThis product meets RoHS and REACH standards, suitable for global export high-performance engineering plastic modification.
Why Choose JSYWe supply factory direct high purity RDP flame retardant for PC and PC/ABS. Consistent batch purity, competitive cost, flexible MOQ and professional formulation support to obtain UL94 V-0 flame grade.

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