What is the purity guarantee for this product?

The standard purity is guaranteed to be at least 99.5%, with customization options up to 99.9%.

What is the lead time for delivery?

The standard delivery time is 7-10 days. Peak and off-season lead times are within 15 workdays.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, and Western Union.

Industrial Grade Fluorescent Optical Brightener Uvitex Ob-1

Name: Industrial Grade Fluorescent Optical Brightener Uvitex Ob-1
Brand: Shengzhou Worthside Chemical Co., Ltd.
SKU: 2044796812

Zhejiang, ChinaShengzhou Worthside Chemical Co., Ltd.

US$6.80

1-999 kg

US$6.00

1,000+ kg

Sample price:US$10.00/gram.Request sample

Product profile

Customization

Available

CAS No.

1533-45-5

Formula

C28h18n2o2

Model NO.

ob-1

EINECS

216-245-3

Environmental Protection

Yes

Color

Yellow

Kind

Optical Brightener

Appearance

Powder

Application

PVC, PE, PP and So on

Purity

99.9%

Loading

9 Tons

Delivery

7-10 Days

Transport Package

25kg

Specification

99.9

Trademark

WSD

Origin

China

HS Code

3204200000

Production Capacity

100mt

Key features

High Whitening Strength: Provides strong fluorescence and high whitening efficiency for various materials.

Wide Application Scope: Suitable for polyester, nylon, PVC, PE, PP, PS, ABS, paints, and coatings.

High Temperature Resistance: Fine stability for thermoplastic plastics and high-temperature processing applications.

High Purity Level: Ensures product quality with a purity level of at least 99.5%.

Professional Support: Access to professional technology department for stable quality and cost reduction.

Customizable Purity: Purity can be customized up to 99.9% based on specific client requirements.

Fast Delivery: Efficient delivery within 7-10 days to meet urgent project timelines.

One-Stop Solution: Comprehensive list of PVC additives available to help increase your profit.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Shengzhou Worthside Chemical Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-06-01Nearest Port: shanghai, ningboAverage Response Time: ≤2.54hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CPT

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company in Shengzhou, Shaoxing, with a business scope covering chemical raw materials, plastic auxiliaries, plastic raw materials, chemical equipment, technical consulting, and import/export activities. It reports 15 years of exporting experience and approximately 90% export sales, but no overseas warehouses, showrooms, agents, branches, or in-stock service capacity. Service and complaint-handling procedures exist but lack written records, while supplier approval documentation lacks signatures or dates. Innovation evidence is mixed: the supplier provides ODM and OEM services and has one R&D engineer, but reported no new products in the past year and has no available SDK. Customization from samples is available. Production capability is not demonstrated because the company is classified as a trading company and no manufacturing capacity is provided. Customer cases are not sufficiently documented; OEM service for well-known brands is stated, but no specific customers...

Supplier typeThe supplier is explicitly classified as a trading company, with its business scope focused on sales of chemical and plastic-related products, technical consulting, and import/export activities. This indicates a commercial intermediary or distributor profile rather than a clearly documented manufacturer.

After-Sales capabilityThe supplier has procedures for service capability, corrective and preventive actions, and customer complaints, but no written records. It also reports no in-stock service capacity, overseas warehouse, showroom, agent, branch, or overseas service coverage, while stated peak- and off-season lead times are both one month. The documented after-sales infrastructure is therefore limited.

Production capacityThe company is explicitly identified as a trading company, and its stated scope centers on product sales, consulting, and import/export rather than manufacturing. No factory, production line, manufacturing capacity, or production equipment is provided; the quality-control equipment quantity is stated as zero. Production capability is not demonstrated.

Customization capabilityThe supplier states that it provides customization from samples and offers ODM services. These are explicit indications of product customization and design-manufacturing support, although no scope, technical process, or completed customization examples are provided.

Product Q&A

Q:What is the appearance of Uvitex OB-1?

It appears as a bright yellow-green crystalline powder that is odorless.

Q:Is Uvitex OB-1 soluble in water?

No, it is hard to dissolve in water. It dissolves in paraffin, fat, mineral oil, wax, and common organic solvents.

Q:What is the recommended dosage for PVC materials?

The dosage varies by material. For EVA, polypropylene fiber, nylon, and Makrolon, use 75-200g per 1000kg. For polyester fiber, use 75-300g per 1000kg.

Q:What is the melting point of this optical brightener?

The melting point ranges from 357 to 360 degrees Celsius.

Q:What are the main application areas for this product?

It is widely used in thermoplastic plastics (PVC, PE, PP, PS, ABS, etc.), polyester fiber, paint, coating, and printing ink.