Product Description
Optical brightener OB
Main ingredients: 2, 5 - double (5 - tertiary butyl - 2 - benzene and the evil imidazolyl thiophene Characteristics
Appearance: light yellow or ivory powder
Structure: benzoxazole type compound
melting point: 200-202 ºC.
solubility: it is hard soluble in water, soluble in alkane, mineral oil and ordinary organic solvent.
Performance Features:
Pale green powder, tasteless, dissolvable in paraffin, fuorecent brightener OB spectrum can
absorb the maximum wavelength of 375nm with the maximum transmitted length of 435nm (in
ethanol).
Good brightening effects and weathering resistance requires a small quantity
Technical index
| appearance |
light yellow powder |
| melting point |
201-202ºC |
| purity |
≥99.0% |
| volatile matter |
≤0.2% |
| light transmittance |
450nm≥96% |
| light transmittance |
500nm≥97% |
Applications
optical brightener OB is widely used in the brightening of thermoplastics,Such as PVC, PE,
PP, PS, ABS, PMMA, POM and thermosetting plastic, polyester fiber, ,paint, ink and oil soluble
coatings.
Aplication Methods:
Polyvinyl chloride brightening: 0.01~0.05% Increase radiance: 0.0001~0.001% Polystyrene
0.0001~0.05%
ABS: 0.01~0.05%
Polyolefin colorless matrix: 0.0005~0.001% White matrix: 0.005~0.05%
Our Advantages
1. Complete and more products to meet customer demand.
We not only produce some PVC additives&PVC chemicals by itself, but also have good work relationship with other Polymer Additives factories, in accordance with product standards and end-user requirements, finally providing one-stop PVC chemicals solution for you.
2. Professional testing group ensure satisfying quality.
We have one professional product development and testing team on PVC chemicals,help its customer ensure that all the products supply from our company meet the technical requirements of applications on PVC industry before shipment.
3. Fast and Flexible shipment.
We have itself big warehouses and many partner factories, which enable us arrange shipment in a fast and flexible way, according to our PVC plastics customer requirement. The delivery time should be 7-10 days.
4. Less investment, more benefit you will get.
Except offering diversified plastic additives , We also provide PVC plastics production formula support for our PVC plastics customers, which will help customer save purchasing cost, time cost, capital cost and risk cost. It is a win-win opportunity and both of us will gain maximum benefits through cooperation.
5. Flexible payment terms.
With an effort to solve customers' payment problems and save payment cost, We have different bank accounts in China, Singapore,and HongKong, TT, LC, DP, and other different payment methods are available.
6. Technical Service Team.
What's the most important is, we have a professional technical service team to offer you professional advice and service, with quite rich experience in the PVC & rubber industry including PVC pipe, PVC fitting,PVC profile, PVC board, PVC sheet, PVC soles,PVC wire or cable compound and etc's production,PVC raw material selection, mix formula, application, production optimization and other aspects. We are here at your service
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