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NANJING LEPUZ CHEMICAL CO., LTD.

Greenish Ob-1, Optical Brightening Agent 393, Optical Brightener Ob-1 manufacturer / supplier in China, offering Fluorescent Whtening Agent Ob-1 C. I. 393, High-Efficiency Herbicide-Diquat 40% TC with CAS No. 2764-72-9, High-Efficiency Nonselective Herbicide-Paraquat 200g/L SL with CAS No. 1910-42-5 and so on.

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Supplier Homepage Product Optical brighteners Optical brightener for plastics Fluorescent Whtening Agent Ob-1 C. I. 393

Fluorescent Whtening Agent Ob-1 C. I. 393

FOB Price: US $15-30 / kg
Min. Order: 1 kg
Min. Order FOB Price
1 kg US $15-30/ kg
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Port: Shanghai, China
Production Capacity: 5000mt/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Product Catalog
Optical brighteners-NANJING LEPUZ CHEMICAL CO., LTD
13 Products
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Basic Info
  • Model NO.: OBA 393
  • Appearance: Powder
  • Melting Point: 355-360
  • Trademark: LEPUZ
  • Specification: C28H18N2O2
  • HS Code: 32042000
  • Color: Greenish Yellow
  • C.I. No.: 393
  • Purity(HPLC): 98.5%Min
  • Transport Package: in 25kg Carton
  • Origin: China
Product Description
Optical Brightener OB-1

Application/Uses
Coatings
Plastics
Man-made fibers
Polyester
Polymers
Recycled polymers

Key Attributes
Colors appear more brilliant
Environmentally friendly
Excellent brightening ability
Produce a bluish tinge, masking yellowness
Whiter-than-white appearance

Product Description
LEPUZ optical brighteners significantly improve the whiteness in both textile fibers and plastics. In polyester and nylon fibers, LEPUZ optical brighteners impart a pleasing whiter-than-white appearance and give more intensity to some colors as well. Because of its excellent brightening ability, good thermal stability, and compatibility with many polymers, LEPUZ OB-1 is an effective brightener for many plastics. LEPUZ OB-1 provides an excellent white, permanent color since the brightener is dissolved in the polymer or fiber during polymer manufacture. This permanence gives much better brightness retention over time versus other methods such as bleaching or surface treatment with optical brighteners. Optical whiteners function by absorbing ultraviolet radiation and re-emitting blue light. The emitted blue light will reduce the yellow color of a polymer and provide the whiter-than-white appearance.
 
Typical Properties
PropertyTypical Value
AppearanceYellow greenish powder
Specific Gravity @ 20ºC/20ºC1.39
Melting Point359-361ºC
Assay98 wt % min
Particle SizePass 200 mes

Contact
Phone: 0086 13584091480
 
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