ST-FR309
Flame Retardant
ST-FR309
High-performance, halogen-free flame-retardant package for polyester materials. Enables dual pathways: antimony-free brominated formulations or completely halogen-free alternatives.
Suggested Resins
PET, PBT
Application Examples
Primary Route: Enables antimony-free brominated PBT/PET formulations when used with BEO (zero ATO). Secondary Route: Acts as a halogen-free OP+MPP alternative, validating UL 94 V-0 at 1.6 mm in 30% GF-PBT at ~15% loading. Acts through char formation, limiting flame spread and reducing smoke density.
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Primary Function: Flame Retardant
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Available in: United States, Canada