Flourescent whitening agent BBU

Optical Brightening Agent C.I.220 BBU<br /><br />Formula:C40H42N12NA4O16S4 <br /><br />Molecular Weight:1165.04 <br /><br />Max UV Absorption Wavelength:350nm<br /><br />Specification:<br /><br /><br /> <br /> <br /> <br /> Item<br /> <br /> <br /> Indice<br /> <br /> <br /> <br /> <br /> 1,Appearance<br /> <br /> <br /> Yellow Uniform Powder<br /> <br /> <br /> <br /> <br /> 2,E Value<br /> <br /> <br /> 481±2<br /> <br /> <br /> <br /> <br /> 3,Whiteness Wcie (Compare withStandard)<br /> <br /> <br /> ≥-3<br /> <br /> <br /> <br /> <br /> 4,Shade <br /> <br /> <br /> Similar--Slightly Different<br /> <br /> <br /> <br /> <br /> 5,Moisture, % <br /> <br /> <br /> ≤5.0<br /> <br /> <br /> <br /> <br /> 6,Water Insoluble Matters,%<br /> <br /> <br /> ≤0.5<br /> <br /> <br /> <br /> <br /> 7,Limit and Determination of 23 Harmful Aromatic Amines in Dye Products<br /> <br /> <br /> Meet the Standard GB19601<br /> <br /> <br /> <br /><br /><br />Property:<br /><br />1. Good solubility in water at the ration 1:3,stable water solution, free other auxiliary.<br /><br />2. It is anionic, can be used together with anionic or nonionic surface sizing agent.<br /><br />3. Insensitive to calcium and magnesium, weak resistance to copper, iron and other metal.<br /><br />4. Best whitening effect under value 7.<br /><br />5. Anti-peroxidation bleaching agent.<br /><br />Application:<br /><br />1. In paper industry, used for the whitening of pulp, coating and surface sizing.<br /><br />2. In dyeing industry,used for the whitening of cotton fiber and viscose.<br /><br />Treating Process:<br /><br />Dip-dye temperature:60-100u2103 Retention time:20-40min <br /><br />Bath ratio:1:20-40 Dosage: 0.1-0.5%<br /><br />Packing & Storage:<br /><br />50kg plastic bag. According your requirement.<br /><br />Avoid sunlight and dry area. Shipping as non-dangerous goods.