描述：

Ester Quaternary Ammonium Salt TSP-90   TEQ-90  TEQ-90TPG ·Cationic surfactant commonly used in fabric softeners: Adsorbs onto fiber surfaces to reduce static electricity and enhance softness. ·Plant-based origin: Environmentally friendly, highly biodegradable, and low toxicity. ·High-efficiency softening: Significantly improves fabric hand feel with minimal yellowing. ·Wide compatibility: Can be combined with various detergent ingredients, suitable for concentrated fabric softener formulations.