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NANJING LEPUZ CHEMICAL CO., LTD.

Optical Brightener Ba-L, Optical Brightening Agent, Optical Whitening Agent Ba-L manufacturer / supplier in China, offering Optical Brightener Ba-L, Ultraviolet Light Absorber UV-P, UV Stabilizer BHSORB-622 and so on.

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Optical Brightener Ba-L

FOB Price: Get Latest Price
Min. Order: 1 kg
Port: Shanghai, China
Production Capacity: 5000mt/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
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Optical brighteners-NANJING LEPUZ CHEMICAL CO., LTD
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Basic Info
  • Model NO.: BA-L
  • Appearance: Liquid
  • Trademark: LEPUZ
  • Specification: C40H42N12O10S2Na2
  • HS Code: 32042000
  • Color: Amber Transparent
  • Fluorescent Intenstty: 40
  • Transport Package: in 25kg Carton
  • Origin: China
Product Description
FLUORESCENT BRIGHTENER BA-L
C.I.113  CAS:12768-92-2
MOLECULAR FORMULA: C40H42N12O10S2Na2
MOLECULAR WEIGHT: 960.94(As International relative Atom Mass 2005)
Max UV ABSORPTION WAVELENGHTH: 348 nm
SPECIFICATIONS:
 
ItemIndices
AppearanceAmber transparent liquid
Fluorescent intenstty (equivalent to standard sample)40±3
Viscosity (25ºC), mPa.s                       ≤ 50
pH value8-10
Density, g/cm31.0-1.3
Ionicityanionic
 
PROPERTY:
The product is acid-resistant, alkali-resistant and has much better whitening effect than VBL at PH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants.
APPLICATION:
Mainly applied to whiten paper pulp, surface sizing, coating and also applied to whiten cotton, linen and cellulose fiber as well as cellulose fabrics and to brighten light-colored cellulose fabrics.
USEAGE:
    Being used in paper-making industry, add them into the paper pulp, coating solvent  and surface gluing solvent. Usual dosage: 0.3-0.9% on dry pulp or dry dope.When whitening of the cotton, hemp or cellulose, directly adding the BA-L dissolved with water into the dye vat, the dosage: 0.25-0.85%, bath ratio: 1:20-40, the dyeing temperature: 60-100ºC
PACKAGE :
1000 kg or 200 kg plastic drum.
TRANSPORTATION:
Should be handled carefully, avoid sunlight.
STORAGE:
Should be stored cool, dry and ventilate place, and storage peroid should not exceed 6 months.
 
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