Product Description

• ~[Chemical name] 2, 5'-Bis[2-(5-tert-butyl benzoxazolyl-2'-)thiophene
  
  [Molecular weight]  430
  
  [Structural formula]
  
   
  
  [Formula] C26H26N2O2S
  
  [Appearance] slight greenish yellow powder
  
  [Structure] a compound of benzoxazole type
  
  [Melting point] 200℃-202℃
  
  [Solubility] hardly soluble in water, but soluble in paraffins, mineral oils and ordinary organic solvents.
  
  [Specifications]
  
        ITEM                 INDICES
  
  APPEARANCE       Slight greenish yellow powder
  
  PURITY(HPLC)       ≧99%
  
  MELTING POINT        200℃-202℃
  
  FINENESS       ≧100目
  
  [Applications]
  
  OB can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fier, paint, coating , printing ink , etc..It can be added at any stage in prodess for process for shitening the polymers and can give the finished products a bright bluish white glaze.

   

  [Directions for use and dosage]
  
   The dosage shoule be 0.01-0.05% on weight of plastic.Put whitening agent OB into plastic pellets, mix the mixture thoroughly and then carry out shaping.Fluorescent whitening agent OB is similar to Uvitex OB made in foreign country.
  
  [Package]
  
   Paper drum lined with  plastics bags, net in 25kg.
  
  [Handling&safety]
  
  OB can be handled in accordance with the usual rules for industral chemicals.Avoid dust formation and ignition sources. Stored indry and cool place.

   

   

  
  
  
  
  
  
  
  
  
   

Company Profile

• Shanghai Longpu Industry Co., ltd
• [ China ]
• This company is registered as a free member and is not verified or authenticated by Tradekey.com
• We are integrating research,manufacture and trade of Optical Brightener ,pigments ,Ultraviolet Absorbent products.Like OBA 199,CBS-X,OB,OB-I,KCB,EBF,UV 326,327,531 etc products have been won a good reputation by both of USA,India,EURO,South of Asia market as well as domestica market. Adhering to enterprise spirit of Quality ,Integrity,Innovation,Longpu Company warmly Welcome home and abroad cl...
  

Basic Information

• Company Products / Services: optical brightener agent ultraviolet absorbers
• Year Established: 1977
• Number of Employees: 1-5
• Website: www.shlongpu.com