PriceList for Fluorescent Whitening AgentPF - Optical Brightener OB – Subang
PriceList for Fluorescent Whitening AgentPF - Optical Brightener OB – Subang Detail:
Structural formula
Product Name: Optical brightener OB
Chemical Name: 2,5-thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
C.I.:184
CAS NO.:7128-64-5
Specifications
Molecular formula: C26H26N2O2S
molecular weight: 430
Appearance: light yellow powder
Tone: blue
Melting point: 196-203℃
Purity: ≥99.0%
Ash: ≤0.1%
Particle size: Pass 200 mesh
Maximum absorption wavelength: 375nm(Ethanol)
Maximum emission wavelength: 435nm(Ethanol)
Properties
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.
Application
Optical brightener OB is one of the best brighteners widely used in plastics and fibers and has the same whitening effect as Tinopal OB. It can be used in thermoplastics, polyvinyl chloride, polystyrene, polyethylene, polypropylene, ABS, acetate, and it can also be used in varnishes, paints, white enamels, coatings, and inks.It also has a very good whitening effect on synthetic fibers.It has the advantages of heat resistance, weather resistance, non-yellowing, and good color tone.It can be added to the monomer or prepolymerized material before or during polymerization, condensation, addition polymerization, or added in the form of powder or pellets (i.e masterbatch) before or during the formation of plastics and synthetic fibers.
Reference usage:
1 PVC:
For soft or rigid PVC:
Whitening: 0.01-0.05% (10-50g/100KG material)
Transparent: 0.0001-0.001%(0.1g-1g/100kg material)
2 PS:
Whitening: 0.001% (1g/100kg material)
Transparent: 0.0001-0.001 (0.1-1g/100kg material)
3 ABS:
Adding 0.01-0.05% to ABS can effectively eliminate the original yellow color and achieve a good whitening effect.
4 Polyolefin:
Good whitening effect in polyethylene and polypropylene:
Transparent: 0.0005-0.001%(0.5-1g/100kg material)
Whitening: 0.005-0.05%(5-50g/100kg material)
Package
25kg fiber drum,with PE bag inside or as customer’s request.
Product detail pictures:
Related Product Guide:
High-quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is constantly observed and pursued by our business for PriceList for Fluorescent Whitening AgentPF - Optical Brightener OB – Subang , The product will supply to all over the world, such as: Cancun, Uzbekistan, belarus, Taking the core concept of "to be the Responsible". We'll redound up on society for high quality merchandise and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
By Donna from Accra - 2018.06.30 17:29
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
By Michelle from Bolivia - 2017.02.14 13:19