What is the shelf life?

24 months when stored in a cool, dry place with packaging sealed. Keep away from moisture, heat, and direct sunlight.

Is sample support available?

Yes. Samples are available for lab testing and evaluation. Please contact us for sample requests.

Optical Brightener Ob-1 for Plastic Paper and Fluorescent Whitening Applications

Name: Optical Brightener Ob-1 for Plastic Paper and Fluorescent Whitening Applications
Brand: Qingdao New Sanda Industry Co., Ltd.
SKU: 2185160572

Shandong, ChinaQingdao New Sanda Industry Co., Ltd.

US$1.77-1.96

25 kg

Product specifications

cask

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

CAS NO.

27344-41-8

Formula

C26h26n2o2s

Model NO.

Fluorescent Brightener

EINECS

248-421-0

Colour

Yellow, Green

Appearance

Powder

Usage

Plastic, Textile

Application Material

Chinlon

Type

Synthetic

Solubility

Transport Package

Cask

Specification

25kg/bag

Trademark

NEWSANDA

Origin

China

HS Code

3204200000

Production Capacity

500000

Key features

Boosts Whiteness and Brightness Absorbs UV light and emits blue light to reduce yellowing. Enhances visual whiteness in plastics, coatings, textiles, and paper.

High Heat Stability Withstands over 280C. Suitable for PP, PE, ABS, PET, PC. No decomposition or color change during high-temperature processing.

Good Weather Resistance Excellent light fastness and anti-migration. Retains brightening effect outdoors and under strong light. Resists yellowing over time.

Broad Compatibility Works well with various substrates. Suitable for plastics, coatings, inks, textiles, and paper. Does not affect product properties or clarity.

Low Dosage, High Efficiency Recommended dosage 0.01%-0.1%. Achieves ideal brightness with minimal addition. Cost-effective and easy to use.

Wide Product Selection Offers OB, OB-1, KCB, ER-I, CBS-X, FP-127. Meets diverse application and processing needs.

Company profile

Qingdao New Sanda Industry Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-03Nearest Port: QINGDAO, TIANJINAverage Response Time: ≤5.51hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA

AI-Powered supplier vetting

SummaryQingdao New Sanda Industry Co., Ltd. is identified as both a trading company and manufacturer/factory in China, focused on chemicals and construction-related products. The supplier reports ISO-series management certifications, two production lines, 21–30 quality-control staff, and peak- and off-peak order fulfillment within 15 working days. Its stated capabilities include R&D, customized formulations, formulation optimization, application testing, troubleshooting, multilingual documentation, and after-sales support. The supplier reports extensive export coverage and began exporting in 2015, but the available trade evidence shows only one recorded transaction and one associated buyer. Financial credibility cannot be assessed because financial data is excluded from evaluation.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory. Its stated business focuses on chemical products and industrial additives, including Titanium Dioxide, HPMC, VAE, HEC, CMC, and related materials.

CertificationsThe supplier lists ISO 9000, ISO 14001, ISO 9001, ISO 14000, and ISO 20000 certifications. These stated certifications provide explicit evidence of certified management-system coverage, although the slices do not provide certificate numbers, validity dates, or scope details.

After-Sales capabilityThe supplier states that it provides after-sales service, multilingual documentation, formulation optimization, application testing, and troubleshooting. These are explicit service offerings supporting customers after product delivery.

R&D capabilityThe supplier describes a dedicated R&D team, technical innovation, market-responsive product development, and feedback integration from global partners. It also reports total R&D engineer experience of 11–20 years, supporting an established innovation function.

Production capacityThe supplier presents itself as a chemical manufacturer and reports two production lines, 21–30 quality-control staff, and fulfillment within 15 working days in both peak and off-peak periods. Its product portfolio and end-to-end commercial supply description support production capability, although total output details are not evaluated here.

Customization capabilityThe supplier explicitly offers customized formulations for specific application challenges and provides formulation optimization, application testing, and troubleshooting. Its process includes sample testing through full-scale commercial supply, indicating support for tailored industrial additive solutions.

Product Q&A

Q:What is an optical brightener used for?

It is used to enhance whiteness and brightness in plastics, coatings, inks, textiles, detergents, and paper. It absorbs UV light and emits blue light to reduce yellowing.

Q:What is the recommended dosage?

Typical dosage is 0.01%-0.1% of total formulation. Exact amount depends on substrate, desired effect, and processing conditions. Overdosing may cause yellowing.

Q:Does it affect product properties?

No. At recommended dosage, it does not affect mechanical properties, transparency, or surface quality. It works as a pure optical additive without altering material performance.

Q:Which types of optical brighteners do you offer?

We offer OB, OB-1, KCB, ER-I, CBS-X, FP-127, and more. Each is designed for specific substrates and processing methods. Please contact us for selection guidance.

Q:How to choose the right brightener?

Choose based on your substrate and processing temperature. For plastics, choose high-temperature grades. For textiles and detergents, choose water-soluble grades. Contact us for recommendations.