PROPERTY                   Optical Brightener A(DMS) is regarded as one of the perfect agent used in detergent industry. Owing to introduction the morpholine group into the molecular, the properties such as acid and perborate resistance be improved. It can be used in the whitening of cellulose fiber,polyamide fiber and fabrics,showing anionic characters and has optical blue color.It has better resistance to chloride bleaching than VBL and 31#,the most favorable dyeing bath PH value is 7-10.Its sunlight fastness is 4 grades.The most advantages used in detergent industry is its high matching capability,high accumulated washing whitening effect. So it can meet the requirements of any matching capability in detergent industry.

APPLICATION            1.Used in detergent industry,for the synthetic detergent,toilet soap and soap                    2.Used in the fabric of cotton fiber,nylon,etc taking on excellent whitening effect on artificial fiber,polyamide,vinylon,also has good whitening effect on protein fiber,aminoplastics.

PROCEDUR              Optical brightener A(DMS) has less solubility than VBL and 31#,it can be soluble in hot water and form about 10%suspension liquid.The liquid should be used immediately when ready and avoid sunlight. The dosage used is 0.1-0.5%in detergent industry and 0.1-0.3% in dyeing industry.