Optical Brightener ER 390 For Polyester conc / White R Liquid

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Optical Brightener ER 390 For Polyester conc / White R Liquid

Name: Optical Brightener ER 390 For Polyester conc / White R Liquid
Brand: CHEMEXO CHEMICALS
Price: 1 INR
Availability: InStock

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MOQ : 10 Kilograms, ,

Optical Brightener ER 390 For Polyester conc / White R Liquid Specification

Taste
Neutral (not for ingestion)

Ph Level
7-8.5 (at 1% solution)

Properties
Excellent whitening effect; high affinity for polyester; good stability to light and washing. Offers brilliant bluish white shade.

Solubility
Easily soluble in water

Smell
Mild characteristic odor

Refractive Rate
1.41 (approximate)

Usage
Apply during high-temperature dyeing or exhaust dyeing processes for polyester.

Product Type
Optical Brightener

HS Code
32042090

Purity
>99%

Storage
Keep container tightly closed in a cool, dry, and well-ventilated place.

Molecular Weight
924.93 g/mol (approximate)

Application
Whitening and brightening of polyester fibres, yarn & fabrics, also used for polyester blends.

Poisonous
No under recommended usage

Ingredients
Special optical brightening agents for polyester.

Molecular Formula
C40H38N12O8S2Na2 (Representative for ER-type brighteners)

Shape
Liquid

Physical Form
Liquid

Structural Formula
[ER-type brightener structure] (see product literature)

Grade
Industrial

Density
0.02 Gram per cubic centimeter(g/cm3)

Melting Point
Not applicable (liquid form)

EINECS No
240-383-3

Appearance
Clear to slightly yellowish liquid

CAS No
16090-02-1

Shelf Life
12 months from date of manufacture if stored under recommended conditions.

About Optical Brightener ER 390 For Polyester conc / White R Liquid

OPTICAL BRIGHTENER ER 390 FOR POLYESTER

Optical brightener suitable for Polyester & Blends , Acetate fiber , suitable for both exhaustion & padding.It has very good leveling property and dyeing compatibility is good under low temperature.

High concentration product with ultra low dosage of approx 70-100 grams in 100 KG fabric

APPEARANCE: SLIGHT YELLOW DISPERSION

IONICITY: ANION

DYEING SHADE: BLUISH

LIGHT FASTNESS: 5-6

DOSAGE: 70-100 GRAMS IN 100 KG APPROX

Imparts Brilliant Bluish White Shade

Optical Brightener ER 390 delivers an exceptional whitening effect with a high degree of brightness, resulting in a clear and lively bluish white finish on polyester and its blends. This brilliant shade is resistant to fading from light exposure and repeated washing, ensuring long-lasting vibrance for finished textiles.

Superior Stability and Compatibility

With robust stability in a pH range of 410 and resistance to bleaching agents like sodium hypochlorite and peroxide, Optical Brightener ER 390 seamlessly integrates into various textile processing stages. It is compatible with most finishing agents and softeners, enhancing its versatility in production lines.

Eco-Friendly and Safe for Textile Use

Formulated without heavy metals or banned amines, Optical Brightener ER 390 meets stringent environmental and safety standards. It is non-toxic under recommended textile use, supporting sustainable manufacturing without compromising performance or safety.

FAQs of Optical Brightener ER 390 For Polyester conc / White R Liquid:

Q: How should Optical Brightener ER 390 be applied to polyester fabrics?

A: It is best applied during high-temperature dyeing or exhaust dyeing processes for polyester fibers or blends. The recommended dosage ranges from 0.1% to 1.0% on the weight of fabric, depending on the desired whiteness level.

Q: What are the main benefits of using ER 390 for polyester textiles?

A: ER 390 offers a brilliant bluish white shade, excellent dispersibility in water, high affinity for polyester fibers, and strong resistance to light and washing, making it ideal for creating bright, long-lasting whites in textiles.

Q: When is the optimal stage to use this optical brightener in textile processing?

A: The brightener should be used during the dyeing stage, particularly in high-temperature or exhaust dyeing processes, to ensure even and thorough whitening of polyester fabrics.

Q: Where can Optical Brightener ER 390 be stored safely?

A: Store the product in tightly closed containers, in a cool, dry, and well-ventilated area. When stored as recommended, its shelf life is up to 12 months from the date of manufacture.

Q: What makes ER 390 environmentally friendly and safe for textiles?

A: Optical Brightener ER 390 is free from heavy metals and banned amines, is non-toxic for textile applications, and has a neutral taste and mild odor, making it safe for use and compliant with environmental regulations.

Q: Is this optical brightener suitable for use with polyester blends as well as pure polyester?

A: Yes, ER 390 demonstrates high affinity and compatibility not only with pure polyester fibers but also with polyester blends, ensuring excellent whitening performance across diverse textile substrates.

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