99.5%Min.

Appearance: White crystals, Melting point: 122-127 °C

Application Features: High-purity diphenyl sulfone serves as an excellent solvent for synthesizing poly(arylene ether ketone)s (PAEKs). The sulfone group imparts superior hydrolysis resistance and dimensional stability to polymers. 99.5% purity ensures light-colored resin with high transparency, suitable for medical devices and food-contact applications.