98.5%min optical brightener OB CAS No. 7128-64-5

Optical brighetener OB
LEPUZ Optical brightener OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.05%.

Key Attributes

Colors appear more brilliantEnvironmentally friendlyExcellent brightening abilityProduce a bluish tinge, masking yellownessWhiter-than-white appearance

Typical Properties

PropertyTypical ValueMolecular FormulaC26H26SO2N2Assay(HPLC)98.0%MinMolecular Weight430g/moleAppearanceSlight Yellowish powderMelting Point200-202°CVolatiles<0.2%Particle SizePass 200 mesh
Packaging & Shipping
Main products

Optical brightener:OB-1 OB NFW MDAC(SWN) KSN KCB FP-127 CBS-X

Pigment:Red 122 Yellow 110 Yellow 138 Violet 23 Violet 19

UV Stabilizer:783 770 944 622 292

Antioxidant:168 1010 1076 245 425 BHT(264) 2246

UV Absorber:1577 531 571 234 1130 360 99-2 UV-1 327 328 326 329

Our Services

Our factory has advanced production and equipments, which can be used for testing and reprocessing to ensure the high quality and meet customers' different requirements, so that we can offer technology consultion for customers.

Cooperated with outstanding shipping agent, we can supply quality and convenient shipping service.

Besides, with professional staves, costomers can receive accurate and timely reply.

Company Information

NANJING LEPUZ CHEMICAL CO., LTD is an ISO-certificated modernized chemical enterprise concentrating on the production, sales and service for plastic and coating additives, fine chemicals and intermediates. Our products are used in plastic and rubber industry ,medical industry, paints, printing inks and etc.

With profound chemistry knowledge and rich experiences, our business team can offer professional customized technical supports and solution for customer's demands.

Welcome to contact us. Hope we can have good cooperation and bright future.

FAQ

1. Are you a factory or tarding company?

Our company concentrates onon the production, sales and service for plastic and coating additives, fine chemicals and intermediates.

2. Where dose your company locate?

We locate in Nanjing, Jiangsu province of China.

3.Can you provide samples for quality checking before placing an order?

Samples are avaliable upon request, but the shipping cost should be paid by customer.

4. How to get the price list?

Please inqire us by alibaba/email.

5. What's your payment term?

TT/LC/DA/DP/Paypal

6. What's your lead time?

Aroud two weeks after order.

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