Optical Brightener Ob-1

Optical Brightener OB-1 CAS No.: 1533-45-5 C.I. No.: 393 Purity: 99%. 25kg/drum.

Product Name: Optical Brightener OB-1 Chemical Name: 2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole Molecular Formula: C28H18N2O2 Molecular Weight: 414.4 UV absorption wavelength: 374nm Cas No.: 1533-45-5 C.I. No.: 393 EC No.: 216-245-3 Specifications: Appearance bright yellowish/greenish crystal powder Melting Point 357-361 Purity â?¥98.5% Color Shade Blue Fineness â?§200 mesh Water insoluble Content â?¦0.5% Properties: Optical brightener OB-1 is crystallized substance, has strong fluorescence. It is odorless, hard to dissolve in water. It can be used for whitening polyesters, nylon fibre and various plastics such as PET, PP, PC, PS, PE, PVC, etc. Package: 25kg per carton drum with double layer PE bag inside, or adjust according to clients demand. Storage: Store at cool and dry place. Expiry date: 24 months.

Product Class: Optical Brightening Agent For Plastic Product Name: Optical Brightening Agent OB-1 Chemical Name: 2.2-(4.4-diphenol vinyl) dibenzoxazol CAS No.: 1533-45-5 C.I. No.: 393 Structural Formula: Molecular Formula: C28H18N2O2 Molecular Weight: 414 Technical Index: Appearance: yellowish green powder Melting Point:358~360 Purity:99% Uses : Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization. Package: 10kg or 25kg per fiber drum

Optical brightener OB( OBA 184) CAS No. 7128-64-5 Appearance: Light yellow or milk white powder Purity: 99% min Melting point: 196-203â?? Usage: A good whitening agent for PVC,PS,PE,PP ABS, thermolastic plastics, Acetate fiber, paint, coating and printing ink, etc Package: 25KG fiber drums with PE liner

CAS No.: 7128-64-5 C.I. No.: 184 Purity:99% Uses: mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc. 25kg/drum.

Product information Product name: OPTICALBRIGHTENER ER Liquid(PS-1. ER330) Color Index No: C.I.199 Synonyms: FBA 199; OBA 199,Fluorescent Brightener PS-1(ER330); Optical Brightener Agent PS-1(ER330) Molecular Structure: Molecular Formula: C24H16N2 Molecular Weight: 332.3972 CAS No: 13001-39-3 C.I. No.: C.I.199 Appearance: yellowish pulpy liquid E-value: 330 Features: Thisproduct is mainly used for whitening and brightening of blending fabrics suchas polyester and polyester cotton, polyester silk, polyester yarn, polyesterramie, polyester wool as well as whitening of chemical fiber and plastic. Thisproduct applies to pad dyeing and HTHP dip dyeing, especially low temperatureadsorption and high temperature setting process. Applications 1. Pad-dyeing hot melt method: Use quantity: 1.5-3g/L Process flow: two dip dyeing and two paddyeing (mangle expression 70) pre-drying (100) curing and setting (180 190, 40-30s). 2. HTHP dip dyeing method: Use quantity: 0.2 0.5% (o.w.f) Dyeing temperature: 120 130 Dyeing time: 30 - 60 minutes PH value: 4.5 - 5.5 (adjusted withacetic acid) Low temperature adsorption and hightemperature color development dyeing method: Use quantity: 0.5 1.0% (o.w.f) Dyeing temperature: 50 60 Dyeing time: 30 minutes PH value: 4.5 - 5.5 (adjusted withacetic acid) Process flow: add BC-100 whitening agentand additive (anhydrous sodium sulphate 1-2% relative weight of dyed cloth,acetone is adjusted in PH) and fabric to dye bath at room temperature temperature rises to 50, deying for 30min washing dehydration and pre-drying (100) setting and baking (180-190, 40-30s). Package & Storage: 25kg/50kg plastic drums. It can be packedin other forms according to user's requirements. Shelf life: not more than 12 months inthe room temperature. Cautions: 1.If suspension liquid is foundprecipitated and separated, just shake it before use, which does not affect theuse effect. 2.Please note that use this product within its yellow spot, i.e. paddyeing 5g/l,dip dyeing 0.8%(o.w.f). If use this product beyond its yellow spot, it will be easy to becomeyellow.

Products Information: Products Name: OPTICALBRIGHTENER FP-127; Synonyms: FBA 378; OBA 378,Fluorescent Brightener FP-127; Optical Brightener Agent FP-127, FluorescentBrightener CBS-127; Optical Brightener Agent CBS-127, Molecular Formula: C30H26O2 Molecular Weight:418 CAS No: 40470-68-6 C.I. No.: C.I.378 Appearance: slight yellow powder Melting point: 219-221 C Assay:99% Fineness: 200 meshes Molecular Structure: Features Optical Brightener FP-127 hascharacteristics such as high whiteness, good colored light, good colorfastness, heat resistance, weather resistance and yellowing resistance andetc. Applications Itis especially suitable for whitening of PVC and polystyrene series products,and can also be used for whitening and brightening of other thermoplastics andcoatings, printing ink, synthetic fiber Reference dosage: Each 100kg material to add FP-127 brightening agent: 1. PVC: 1. White: 10-50 g 2.transparent: 0.1-1g 2. PS: 1.White: 1-50g 2.transparent: 0.1-1g 3.ABS: 10g-50g (eliminate the inherent yellow in ABS) Package & Storage: 10kg or 25kg/ fiber drums. It can bepacked in other forms according to user's requirements. Shelf life: not more than 24 months inthe room temperature.

Product information Product name: OPTICALBRIGHTENER BA Color Index No: C.I.113 Synonyms: FBA 113; OBA 113,Fluorescent Brightener BA; Optical Brightener Agent BA Molecular Structure: Molecular Formula: C40H42N12O10S2Na2 Molecular Weight: 960.94 CAS No: 12768-92-2 C.I. No.: C.I.113 Appearance: straw yellow uniform powder E-value: 370 Features: Anionic, resistant to PH4.5-11. Applications Mainly used in pulp brightening, surface sizing and coating, etc, with high acid resistance. It is the first choice to produce paper of high brightness requirements Reference dosage: 1. When brighten in pulp, BA should be added before alum or cationic auxiliary agent; dosage: 0.05-0.4% (of absolute dry pulp). 2. In surface sizing, it can work with CMC, PVA, starch, or anionic or cationic synthetic sizing agent. 3. In coating, it can be used at any stage of coating production in the form of aqueous solution after dissolve. Package & Storage: 10kg or 25kg/ craft paper bags. It canbe packed in other forms according to user's requirements. Shelf life: not more than 24 months inthe room temperature.

Product information Product name:Tonex white SWN Color Index No: C.I.140 Synonyms: FBA 140; OBA 140,Fluorescent Brightener SWN; Optical Brightener Agent MDAC, Optical Brightener MDAC Molecular Structure: Molecular Formula : C14H17NO2 Molecular Weight: 231.28 CAS No 91-44-1/61968-71-6 C.I. No.: C.I.140 Appearance off white powder Melting point :70.5-73 Assay: 98% Fineness 200 meshes Features: 1.Multipurpose brightener with excellent whiteness, soluble in ethanol but insoluble in water. 2.having properties of good solubility and compatibility. Applications This product is mainly used for whitening of wool,natural silk, nylon, acetate fiber and triacetate fiber. It can also be usedfor whitening of cotton and cyanamide, and can be used for whitening ofcellulose fiber by adding resin. Reference dosage: The dosage is: nylon 0.05-0.3%, wool 0.05%-0.35%,acetate fiber 0.05-1.4%, triacetate fiber 0.1-2%, cylandex 0.05%-0.8%. In addition, this product can be added to soap and detergent for washingfabrics, effective in the PH=3-11 range, can improve the appearance of thefabric after washing. It can also be used for coated paper, plastic andchromatic printing coatings. Package & Storage: 25kg fiber drumor for the special demand . Should be storedin cool, dry and ventilate place, and storage time should not exceed 24 months