Optical Brightener 4bk For Cotton

Name: Optical Brightener 4bk For Cotton
Brand: CHEMEXO CHEMICALS
Price: 1 INR
Availability: InStock

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MOQ : 30 KG Kilograms

Optical Brightener 4bk For Cotton Specification

Purity
99%

Physical Form
Powder

Taste
Odorless

EINECS No
240-486-3

Molecular Formula
C40H38N12O8S2Na2

Molecular Weight
924.93 g/mol

Solubility
Easily soluble in water

Shape
Powder

Ph Level
6.57.5 (1% solution)

Product Type
Optical Brightener

Shelf Life
2 years

Properties
Excellent brightness, high affinity for cotton, stable to acids and alkalis

Appearance
Yellowish-green crystalline powder

Ingredients
Formulated fluorescent whitening agents

Density
0.7 Gram per cubic centimeter(g/cm3)

Usage
Used in exhaust, padding and printing processes for cotton fabrics

Application
Brightening agent for cotton

Storage
Store in cool, dry place, away from sunlight

Grade
Industrial Grade

Poisonous
Non-toxic

Melting Point
Above 300C

CAS No
16470-24-9

HS Code
32042000

Structural Formula
Available on request

Light Fastness
Good

Moisture Content
5%

Stability
Stable under normal conditions

Recommended Dosage
0.05% to 0.2% owf (on weight of fabric)

Ionic Nature
Anionic

Compatibility
Compatible with most textile auxiliaries

About Optical Brightener 4bk For Cotton

OPTICAL BRIGHTENER 4BK Powder

High Substantive OBA for Cellulosic fibres & its Blends

4BK Powder is a fluorescent brightener for Cellulosic fibres & its blends. It imparts an excellent bluish whiteness on the treated fabrics. It can be applied by exhaust application.

Properties
Chemical Nature : Stilbene Derivative.

Ionic Nature: Anionic

Appearance : Light Greenish Yellow Color free flowing Powder

Compatibility: Compatible with Anionic & Nonionic Products
Solubility : Limited Solubility in cold water (Hot water &

addition of little quantity of Sodium Carbonate is recommended)

pH Stability during application: 6-10

Outstanding Brightening for Cotton

Optical Brightener 4BK imparts excellent brightness and whiteness to cotton fabrics, making them visually appealing and fresh. This powder has demonstrated high affinity for cotton materials and remains effective even under exposure to acids and alkalis, making it versatile across different textile treatments.

Reliable Quality and Stability

Formulated with purity levels reaching 99%, Optical Brightener 4BK is a stable compound with moisture content below 5%. It stands out for its consistent performance, maintaining stability under normal storage and processing conditions. The agent is compatible with most textile auxiliaries, ensuring optimal results during application.

Easy Application Across Textile Processes

This whitening agent is suitable for exhaust, padding, and printing techniques on cotton. With a recommended dosage of 0.05% to 0.2% owf, it dissolves readily in water and integrates smoothly into various stages of fabric treatment. Its shelf life of 2 years supports long-term stocking needs.

FAQs of Optical Brightener 4bk For Cotton:

Q: How is Optical Brightener 4BK applied to cotton fabrics?
A: Optical Brightener 4BK can be used through exhaust, padding, or printing processes, depending on the desired application. For best results, dissolve the recommended dosage (0.05%0.2% on the weight of fabric) in water and process as per your usual textile treatment protocols.

Q: What are the main benefits of using Optical Brightener 4BK for cotton?
A: This brightener delivers outstanding whiteness and brightness, exhibits high affinity for cotton, and retains its stability in the presence of acids and alkalis. It also boasts good light fastness, ensuring durable brightness on finished fabrics.

Q: When should you use Optical Brightener 4BK in textile production?
A: This product is best applied during the finishing stage of fabric processing, such as after bleaching or dyeing, to maximize brightness and visual appeal in the final cotton goods.

Q: Where should Optical Brightener 4BK be stored for maximum shelf life?
A: Store the powder in a cool, dry environment away from direct sunlight to maintain its efficacy and ensure a shelf life of up to 2 years.

Q: What process compatibility does Optical Brightener 4BK offer?
A: It is compatible with most textile auxiliaries and can be used safely in standard exhaust, padding, or printing setups for cotton fabrics without affecting other processing chemicals.

Q: Is Optical Brightener 4BK safe to use and what is its toxicological profile?
A: Yes, Optical Brightener 4BK is non-toxic and odorless, making it safe for use in textile processing where safety and quality are priorities.

Q: What makes Optical Brightener 4BK ideal for cotton applications over other fibers?
A: The products molecular structure and anionic character enhance its affinity with cotton fibers, delivering optimal brightening performance specifically for cotton textiles.