
Optical brightener OB & OB-1 both can used for plasics,but many customers think they are the same product,that is because they do not know the differences between OB & OB-1.Even they are different products,but their appliaction and end products are the same,they both can be used for PP,PVC,PE,PET etc products.
Optical Brightner OB 184,Optical Brightner OB-1 393,Fluorescent brightener OB 184,Chemical powder OB 184,chemical additive OB-1 393
Optical brightener OB & OB-1 both can used for plasics,but many customers think they are the same product,that is because they do not know the differences between OB & OB-1.Even they are different products,but their appliaction and end products are the same,they both can be used for PP,PVC,PE,PET etc products.
Now we want to explain the differences between OB 184 and OB-1 393.
In fact,optical brightener OB is totally different material from optical brightener OB-1.
Optical Brightner OB 184 main raw material:2,5-Thiophenedicarboxylic acid,2-Amino-4-tert-butylphenol
Optical Brightner OB-1 393 main raw material:2-Aminophenol
Chemical Name:Optical Brightner OB 184:2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene
Optical Brightner OB-1 393:2.2’-(4.4’-diphenol vinyl) dibenzoxazol
C.I No.:Optical Brightner OB 184:184
Optical Brightner OB-1 393:393
CAS No.:Optical Brightner OB 184:7128-64-5
Optical Brightner OB-1 393:1533-45-5
Molecular Formula:Optical Brightner OB 184:C28H18N2O2
Optical Brightner OB-1 393:C26H26N2O2N2
Molecular Weight:Optical Brightner OB 184:414
Optical Brightner OB-1 393:430
Technical Index differences between Optical Brightner OB 184 and OB-1 393:
Optical Brightner OB 184 technical Index:
Appearance:yellowish green powder
Melting Point:357~359°C
Purity:≥99%
Optical Brightner OB-1 393 technical Index:
Appearance:slight greenish yellow powder
Melting Point:200-202°C
Purity:≥99%
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Name: Omar time:2022-01-13 14:49:50
High quality optical brightner and fast shipping. Customer service was awesome.
Name: W. Friesen time:2021-12-30 14:59:04
Works great, arrived quickly.
Name: Elvis Williams time:2021-12-27 10:19:10
I am happy with the quality and price of your optical brightner.
Name: Marvin time:2021-12-24 14:00:34
The Optical Brightner did everything it claimed to do. It is so great!