Sodium Lauryl Ether Sulphate(SLES, Sodium Laureth sulphate) 1) It is excellent foaming and detergency profiles and biodegradable surfactant 2) It has well anti-hard water efficiency and mild to skin 3) It has been widely used in cosmetics and washing products. Also can be used for smooth wet in industry in spinning, help to dye, detergent Test itemsUnitsSpecificationTest methodsAppearance at 25 White.Or.Slightly. Yellow, Pour able gelVisual Active Matter % wt70±2.0GB/T5173-1995Unsulphated matter(ref. 100% active matter) % wt2.5 maxGB/T13530.2Sodium Sulphate(ref. 100% active matter) % wt1.5 maxGB/T6366-92pH-value1%aq.sol. 7.0 9.5GB6368Color5% Am.aq.sol.Klett OK10maxGB/T8447-95