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Home » Products » Flame Retardants » Halogenated Flame Retardant » EcoFlame S-338 (Potassium Perfluorobutanesulfonate)

EcoFlame S-338 (Potassium Perfluorobutanesulfonate)

1. Chemical Name: Potassium Perfluorobutanesulfonate
2. Product Code: EcoFlame S-338
3. CAS No.: 29420-49-3
4. Equivalent Product: 3M FR-2025
5. Molecular Formula: C4F9O3KS
6. Molecular Weight: 338.12
7. Chemical Structure:

EcoFlame S-338 is a transparent fire retardant especially designed for polycarbonate, and it is also referred to as potassium perfluorobutanesulfonate or potassium nonafluorobutanesulfonate.

Our product could make PC plastics conform to flame retardant requirements of UL 94 V0 at a dosage rate of 0.025%-0.05%, while the transmittance is maintained at 90%.

Technical Data
Item Specification
Appearance White powder
Purity (%) 98 Min.
Loss on drying (%) 0.1 Max.
Free F ion (ppm) 100 Max.
Melting point (°C) 265
Fe (ppm) 5max
PH 6-7

EcoFlame S-338 is packed in 25kg fiber drum.

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