PPS的性能：

(1) PPS为塑性结晶性树脂，其结晶度约为65%，外观为白色或琥珀色。纯PPS的密度为1.3~1.35g/cm3但很少单独使用应用的PPS多为改性品级如玻璃纤维增强、无机填充和碳纤维增强度，改性后的密度增大为1.60~1.68 g/cm3.

(2) PPS具有高强度、高刚性和尺寸稳定性，在高湿条件下刚性也良好，并具有突出的耐疲劳性能和抗蠕变性能：吸水性、吸油性、成型收缩性及线膨胀系数均很小。

(3) PPS的结构中含有硫原子，其含氧指数为46%~53%，在火焰上能燃烧，但不滴落，且离火自熄，有优异的阻烯性能。

(4) PPS的耐热性能，熔点275~291 ℃，热变形温度为135℃，经玻璃纤维增强后可达到260℃，分解温度为400℃

(5) PPS具有良好的高电阻率和低介电常数，其电绝缘性随温度变化较小，即使在高温、高湿下仍保持良好的电绝缘性能。

(6) PPS具有优异的耐化学稳定性，除了强氧化性酸，如浓硫酸、硝酸和“王水”外，能耐其他酸、碱、盐的腐蚀，且在200℃以下不溶于任何有机溶剂，其耐腐蚀性能几乎与聚四氟乙烯相当。

(7) PPS为惰性物质，口服，但在加工时，若温度超过370℃，PPS会发生少量热分解，产生微量的SO 、COS、CO 、CS 等有害气体。

本公司现货供应美国苏威PPS以下型号

Ryton BR111 PPS Chevron Phillips Chemical Company LLC

Ryton BR111BL PPS Chevron Phillips Chemical Company LLC

Ryton BR42B PPS Chevron Phillips Chemical Company LLC

Ryton BR42C PPS Chevron Phillips Chemical Company LLC

Ryton P-4 PPS Chevron Phillips Chemical Company LLC

Ryton P-6 PPS Chevron Phillips Chemical Company LLC

Ryton PR06 PPS Chevron Phillips Chemical Company LLC

Ryton PR11 PPS Chevron Phillips Chemical Company LLC

Ryton PR25 PPS Chevron Phillips Chemical Company LLC

Ryton PR26 PPS Chevron Phillips Chemical Company LLC

Ryton PR27 PPS Chevron Phillips Chemical Company LLC

Ryton PR33 PPS Chevron Phillips Chemical Company LLC

Ryton PR34 PPS Chevron Phillips Chemical Company LLC

Ryton PR35 PPS Chevron Phillips Chemical Company LLC

Ryton PR37 PPS Chevron Phillips Chemical Company LLC

Ryton PR39 PPS Chevron Phillips Chemical Company LLC

Ryton R10-110BL PPS Chevron Phillips Chemical Company LLC

Ryton R-4 PPS Chevron Phillillips Chemical Company LLC

Ryton R-4 02 PPS Chevron Phillips Chemical Company LLC

Ryton R-4 02XT PPS Chevron Phillips Chemical Company LLC

Ryton R-4-200BL PPS Chevron Phillips Chemical Company LLC

Ryton R-4-200NA PPS Chevron Phillips Chemical Company LLC

Ryton R-4-220BL PPS Chevron Phillips Chemical Company LLC

Ryton R-4-220NA PPS Chevron Phillips Chemical Company LLC

Ryton R-4-230BL PPS Chevron Phillips Chemical Company LLC

Ryton R-4-230NA PPS Chevron Phillips Chemical Company LLC

Ryton R-4XT PPS Chevron Phillips Chemical Company LLC

Ryton R-7 PPS Chevron Phillips Chemical Company LLC

Ryton R-7 02 PPS Chevron Phillips Chemical Company LLC

Ryton R-7-120BL PPS Chevron Phillips Chemical Company LLC

Ryton R-7-120NA PPS Chevron Phillips Chemical Company LLC

Ryton R-7-121BL PPS Chevron Phillips Chemical Company LLC

Ryton R-7-121NA PPS Chevron Phillips Chemical Company LLC

Ryton R-7-220BL PPS Chevron Phillips Chemical Company LLC

Ryton R-7-220NA PPS Chevron Phillips Chemical Company LLC

Ryton V-1 PPS Chevron Phillips Chemical Company LLC