Product Name:Optical brightener OB (C.I. 184)
MF: C26H26N2O2S
EINECS No: 230-426-4
CAS No: 7128-64-5, 4404-43-7
Other Name: Fluorescent brightener
Appearance: Light green powder
Purity: =98%
Melting point: 198~200 °C
Volatile:
Product name: Optical Brightener OB CAS NO: 7128-64-5 Appearance: slight greenish yellow powder Melting Point: 200-202â?? Purity: â?¥99% Maily be used in whitening of thermoplastic, PVC, PP, plyester fiber, paint and ink, etc. Pacakge: 10kg or 25kg per fiber drum
Appearance: Yellow powder Assay: >=99%
Products Information: Products Name: OPTICALBRIGHTENER OB-1; Color Index No: C.I.393 Synonyms: FBA 393; OBA 393,Fluorescent Brightener OB-1; Optical Brightener Agent OB-1 Molecular Formula:C28H18N2O2 Molecular Weight:414 CAS No:1533-45-5 EINECS No: 216-245-3 Appearance: Light yellowish green powder Melting point:358 Assay:98.5% Fineness: 200 meshes Molecular Structure: Features Optical Brightener OB-1has excellent high temperature resistance. It has wide range ofapplication, and is used for the whitening of nylon fiber, polyesters, andvarious plastics. It has outstanding brightening ability and gooddispersibility. It also has good adaption and weather resistance Applications OpticalBrightener OB-1 can be used on polyester fiber, nylon fiber, polypropylene,hard PVC, ABS, EVA, PS, polycarbonate etc. For high temperature resistantplastics, only ob-1 can be used, and the addition amount of optical brightenerob-1 is small and the whitening degree is high. Reference dosage: Every 1000kg materials to add OB-1 brightener: 1, EVA, polypropylene, nylon, polycarbonate in the amount of 75-200 g. 2. The adding amount of polyester fiber is 75g- 300g 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.
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
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
Product Clas Optical Brightener Agent For Plastic Product Name Optical Brightener Agent OB Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene CAS No. 7128-64-5 C.I. No. 184 Structural Formula Molecular Formula C26H26N2O2N2 Molecular Weight 430 Technical Index Appearance: slight greenish yellow powder Melting Point:200-202 Purity:99% Uses Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.
We are an EU approved CE certified, REACH Certified and RoHS Certified company manufacturer of Optical Brighteners OBA 220 for Paper Industry. We all want our papers to be as white as possible, don't we? Well, that's where optical brightening agents BBU Powder come in. The raw material of paper often consists of impurities such as snippets of bamboo sticks and wood. These impurities dampen the brightness of the paper. We have various Whitening Agent Optical Brightener Available for Paper application like... Optical Brightening Agent OBA 220 in powder form Optical Brightening Agent OBA 220 in Liquid form Optical Brightening Agent OBA 264 in Liquid form Optical Brightening Agent OBA 24 in powder form Optical Brightening Agent OBA 253 in Liquid form Optical Brightening Agent OBA 28 in powder form Optical Brightening Agent OBA 154 in Liquid form Optical Brightening Agent OBA 28 in powder form. Additional Information Physical Appearance : Greenish-Yellow Powder CAS No.: 16470-24-9 EINECS No.: 240-521-2 Specific Gravity / Bulk Density : 0.8-1.0 pH of Liquid or 1% Solution : 8-9 Strength by 100% : 100% Shade/Hue: Bluish white Whiteness/ Brightness : Equal to Std % of Active Substance : 21.95% Absorbance (18mg/l) : 0.217 Moisture Content : 2.40%
We are an EU approved CE certified, REACH Certified and RoHS Certified company manufacturer of Optical Brighteners OBA 220 for Paper Industry. We all want our papers to be as white as possible, don't we? Well, that's where optical brightening agents BBU Powder come in. The raw material of paper often consists of impurities such as snippets of bamboo sticks and wood. These impurities dampen the brightness of the paper. We have various Whitening Agent Optical Brightener Available for Paper application like... Optical Brightening Agent OBA 220 in powder form Optical Brightening Agent OBA 220 in Liquid form Optical Brightening Agent OBA 264 in Liquid form Optical Brightening Agent OBA 24 in powder form Optical Brightening Agent OBA 253 in Liquid form Optical Brightening Agent OBA 28 in powder form Optical Brightening Agent OBA 154 in Liquid form Optical Brightening Agent OBA 28 in powder form. Additional Information Physical Appearance : Greenish-Yellow Powder CAS No.: 16470-24-9 EINECS No.: 240-521-2 Specific Gravity / Bulk Density : 0.8-1.0 pH of Liquid or 1% Solution : 8-9 Strength by 100% : 100% Shade/Hue: Bluish white Whiteness/ Brightness : Equal to Std % of Active Substance : 21.95% Absorbance (18mg/l) : 0.217 Moisture Content : 2.40%
