N550shiyongyutianranxiangjiaohegezhonghechengxiangjiao，yifensan，nengfuyujiaoliaojiaogaodetingxing
，yachusudukuai，kouxingpengzhangxiao，yachubiaomianguanghua。liuhuajiaodegaowenxingnengjidaorexingnenglianghao
，buqiangxingneng、彈性和複原性亦較佳。主要用於輪胎簾布膠、胎側、內胎及壓出、壓延製品膠料中。