638增稠剂（聚乙二醇6000双硬脂酸酯）是以聚乙二醇和硬脂酸酯化而成。

　　外观 白色至浅黄色块状或粉状固体

　　PH值（1%水溶液） 5-8

　　固体量（%） ≥97

　　粘度（25℃10%水溶液） ≥20000cps

　　汞含量（ppm） ≤1

　　砷含量（ppm） ≤10

　　铅含量（ppm） ≤40

　　包装规格（kg/箱） 20kg(粉)、25kg(块)

　　产品特性及应用:638是一种非离子表面活性剂。具有优异的增稠性和调理性、广泛用于洗发香波、沐浴露、洗面奶、洗洁精及纺织印染增稠等液体洗涤剂中。建议用量0.2-1%。

　　638 Thickening agent (polyglycol 6000 distearate) is esterified with polyglycol and stearic acid.

　　Appearance block or powder like solid taking color changing from white to light yellow .

　　Product Characteristics and Application:638 is a kind of non-ion surface-active agent , featured by excellent thickening and recuperating performance , which is widely used in liquid lotion like shampoo , bathe lotion , facial cleaner ,liquefied detergent and thickening of spinning ,printing and dyeing etc. Dosage is suggested to be 0.2-1%.