OBA OB C.I. 184 Appearance: light yellow or milk white powder Purity > 99.0% Per package 25kg or as your required

Welcome to Shanxi Qingshan Chemical Industry. —— OBA

FLUORESCENT BRIGHTENER OB

C.I.184  CAS: 7128-64-5  

STRUCTURE:  

  

SPECIFICATIONS		Item	Indices
			FLUORESCENT BRIGHTENER OB
		Appearance	Light yellow or milk white powder
		Purity	≥99.0%
		Melting point	201-202°C
		Ash	≤ 0.1%
		Volatile content	≤ 0.4%

  

 PROPERTY:

Optical brightener OB is a kind of benzoxazole compound, it is odorless, hard to dissolve in water, soluble in paraffin, fat, mineral oil, wax and common organic solvents. It can be used for whitening thermoplastic plastics, PVC, PS, PE, PP, ABS, Acetate fiber, paint, coating, printing ink, etc. It can be added at any stage in the process of whitening the polymers and make the finished products emit a bright bluish white glaze.It can also be used as special marks in identify anti-fake material if used in printing ink. 

 APPLICATION:

Thoroughly dispersed in all those polymers. If any ultra violet spectrum absorption agent is used in the polymers, the optimal dosage of optical brightener OB should be adjusted.

 DOSAGE (per 100 kg polymer):

PVC    white 0.01-0.05%  (10-50 g)       transparent  0.0001-0.001%  (0.1-1 g)PS      white 0.001%  (about 1g)             transparent  0.0001-0.001%  (0.1-1 g)ABS    natural color 0.01-0.05%  (10-50 g)      white 0.01-0.05%  (10-50 g)PE/PP   colorless 0.0005-0.001%  (0.5-1 g)    white 0.005-0.05%  (5-50 g)Other plastic are like above.

 PACKAGE:

Packaged in iron drum or cardboard barrels. Net weight is 25kg or 50kg each.

  

 TRANSPORTATION:

Should avoid sunlight and crash. 

 STORAGE: 

Should be stored in cool and dry place.

OBA OB used for plastics