Basic Info.

Model NO.:Ob-1 C. I. 393

Certification:SGS

Environmental Protection:Yes

Color:Green

Kind:Plasticizer

Appearance:Powder

Other Name:Fluorescent Whitening Agent

Sample:Available

Delievery Date:Within 1 Week

Mf:C28h18n2o2

Valid Date:2 Years

Trademark:linebon

Package:Drum/Plastic Bag

Specification:SGS

Origin:China

Product Description

optical brightener agent OB-1

C.I.393 CAS:1533-45-5

CHEMICAL NAME: 2,2-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole

MOLECULAR FORMULA: C28H18N2O2

MOLECULAR WEIGHT: 414.4 (As International relative Atom Mass 1997)

Max UV ABSORPTION WAVWLENGHTH: 374 nm (ethanol)

SPECIFICATIONS:

Item	Indices
Appearance	Yellowish green powder
Purity	≥ 98.0%
Smell	No special smell
Melting point	353-359ºC
Ash	≤ 0.5%
Volatile content	≤ 0.5%

PROPERTY:          

Optical Agent OB-1 is a excellent diphenylethylene bisbenzoxazole type compound. It is unsoluble in water and has stable capablity, also it has good resistance to heat, sunlight, chlorine bleaching and migration. It owns especially high temperature tolrence, suitable for shaping various kinds of plastics and their products under high temperature.It has an extra ideal whitening effect on polyester fibers as well as polyester fiber-containing fabrics including polyester-cotton blend fabric It can be used to whiten various kinds of plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and rigid PVC. With addition of Optical Agent OB-1,polyamide fiber, nylon and polyester have significantly good whiteness. Mixed with this product, recycling polyester waste material, bottle material and slice flake will have a higher whiteness than before, different, recycling materials will have better similar color.

USEAGE:

Optical brightener OB-1should be thoroughly dispered in the polymers. When any ultral-violet absorption agent is added, the optimal dosage of optical brightener OB-1 will be adjusted accordingly.    

DOSAGE:

For transparent     0.0025-0.005%               opaque ≤ 0.01-0.03%

PACKAGE: Packaged in iron drum or cardboard barrels. Net weight is 25 kg or 50 kg each.

STORAGE: Should be stored in cool and dry place. 

Why us :

1. High quality under strict QC/QA system with GMP factory price and best service. 

2. Fast and safe delivery with secure and discreet shipment.

3. Double check before delivery to make sure correct.

4. Third-party Inspection

5. Providing complete services with our resource integration, we can thus create more competitive advantages for you!

Thank you for ordering and hope you enjoy your purchase here. Your comments are always welcomed and very important in our long-term business corporation.

FREE SAMPLES can be sent for your evaluation!

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Our Factory

Laboratory

With experienced staff skillful at developing and manufacturing optical brightener agent ob-1 c. i. 393 cas 1533-45-5 for plastic, LINEBON is one of the largest and professional optical brightener agent ob-1 c. i. 393 cas 1533-45-5 for plastic manufacturers and suppliers. Welcome to purchase our chemical products for sale.