国庆长假前最后4个交易日，防水材料原辅材料价格总体表现可用一句广告语来概括——根本停不下来！沥青宛如吃了炫迈，再涨53元/吨，离4200元/吨只差0.11元的距离；HDPE、环氧树脂、硬泡聚醚继续走强；丙烯酸、甲苯、二甲苯、苯乙烯等也出现上涨。下跌方面：聚合MDI、TDI同样跌跌不休，分别跌破14000元/吨、24000元/吨关口，创下近年新低；SBS、PVC、涤纶长丝、涤纶短纤等继续回调。

原辅材料	日期	价格(元/吨)	涨跌
沥青	2018/9/25	4187.53	41.00
	2018/9/26	4187.53	0.00
	2018/9/27	4199.89	12.00
	2018/9/28	4199.89	0.00
SBS	2018/9/25	16880.00	-30.00
	2018/9/26	16580.00	-100.00
	2018/9/27	16550.00	-30.00
	2018/9/28	16470.00	-80.00
PVC	2018/9/25	6873.33	15.00
	2018/9/26	6788.33	-85.00
	2018/9/27	6776.67	-11.00
	2018/9/28	6775.00	-2.00
HDPE	2018/9/25	11500.00	33.00
	2018/9/26	11500.00	0.00
	2018/9/27	11516.67	17.00
	2018/9/28	11516.67	0.00
LDPE	2018/9/25	9912.50	-37.00
	2018/9/26	9895.00	-18.00
	2018/9/27	9900.00	5.00
	2018/9/28	9900.00	0.00
丁基橡胶	2018/9/25	19635.00	0.00
	2018/9/26	19635.00	0.00
	2018/9/27	19635.00	0.00
	2018/9/28	19635.00	0.00
聚合MDI	2018/9/25	14590.00	0.00
	2018/9/26	14100.00	-490.00
	2018/9/27	13940.00	-160.00
	2018/9/28	13940.00	0.00
TDI	2018/9/25	24772.50	-100.00
	2018/9/26	24512.50	-260.00
	2018/9/27	24045.00	-468.00
	2018/9/28	23840.00	-205.00
丙烯酸	2018/9/25	10635.00	85.00
	2018/9/26	10635.00	0.00
	2018/9/27	10650.00	15.00
	2018/9/28	10650.00	0.00
乙丙橡胶	2018/9/25	17600.00	0.00
	2018/9/26	17600.00	0.00
	2018/9/27	17600.00	0.00
	2018/9/28	17600.00	0.00
涤纶长丝	2018/9/25	11250.00	-200.00
	2018/9/26	11250.00	0.00
	2018/9/27	11000.00	-250.00
	2018/9/28	10950.00	-50.00
涤纶短纤	2018/9/25	10750.00	-100.00
	2018/9/26	10750.00	0.00
	2018/9/27	10650.00	-100.00
	2018/9/28	10575.00	-75.00
甲苯	2018/9/25	7018.75	8.00
	2018/9/26	7032.50	14.00
	2018/9/27	7040.75	8.00
	2018/9/28	7027.25	-14.00
二甲苯	2018/9/25	7087.00	4.00
	2018/9/26	7173.50	87.00
	2018/9/27	7215.00	41.00
	2018/9/28	7252.50	38.00
苯乙烯	2018/9/25	11875.00	0.00
	2018/9/26	11915.00	40.00
	2018/9/27	11900.00	-15.00
	2018/9/28	11910.00	10.00
DOP	2018/9/25	9420.00	0.00
	2018/9/26	9490.00	70.00
	2018/9/27	9530.00	40.00
	2018/9/28	9545.00	15.00
液体 环氧树脂	2018/9/25	21750.00	50.00
	2018/9/26	21750.00	0.00
	2018/9/27	21750.00	0.00
	2018/9/28	21750.00	0.00
硬泡聚醚	2018/9/25	11450.00	0.00
	2018/9/26	11500.00	50.00
	2018/9/27	11500.00	0.00
	2018/9/28	11500.00	0.00
钛白粉	2018/9/25	16420.00	0.00
	2018/9/26	16420.00	0.00
	2018/9/27	16420.00	0.00
	2018/9/28	16420.00	0.00