Fluorescent whitening agent optical brightener OB

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Fluorescent whitening agent optical brightener OB

Optical Brightener OB is a Optical whitening agent of the thiophenediyl benzoxazole class.

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main parameter :

Brand:
iSuoChem
Item No.:
OB
Color:
Light yellow
Appearance:
Powder

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specification

Optical brightener OB is compounds used in various industries to enhance the brightness and whiteness of materials, reflect ultraviolet light, and improve visual appearance.

optical brightener OB supplier

Specifications:

Item	Standard
Appearance	light yellow powder
Shade	blue-white (similar to standard sample)
Purity (%)	98min
Melting point (℃)	200~202
Volatile(%)	0.15max
Fineness	more than 200 mesh

Product Name: Optical Brightener OB, Fluorescent Brightener OB

Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene

CAS NO. 7128-64-5

C.I. NO. 184

Molecular formula: C26H26N2O2S

Molecular weight: 430g/mole

Recommended dosage:

0.01%~0.05%, and the specific dosage should be adjusted according to the formula.

optical brightener supplier for OB and OB-1

Key Attributes of OB Optical brightener:

• Colors appear more vibrant.

• Eco-friendly, Non-toxic.

• Outstanding brightening performance.

• Produce a bluish tinge, masking yellowness.

• Ultra-white appearance.

optical brightener applications

Applications:

Optical Brightener OB, is also OB Fluorescent whitening agent. This kind of whitening agent can be widely used in plastics, man-made fibers, printing inks, coatings, flexible PVC and polyethylene, etc.

optical brightener packages

Packing and Quantity:
25kgs fibre drum, around 5.25mts/20’fcl without pallet.
Storage: Keep Optical brightener OB powder in cool and dry place, far away from high temperature and sunshine.