Manufacturer Optical Brightener Ob Light Green Powder
The purchaser fulfillment is our primary focus on. We uphold a consistent level of professionalism, high quality, credibility and service for Manufacturer Optical Brightener Ob Light Green Powder, Our products enjoy good popularity among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
The purchaser fulfillment is our primary focus on. We uphold a consistent level of professionalism, high quality, credibility and service for Plastic Additives and Optical Brightener Ob, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound solutions with good logistics service and economical cost. Depending on this, our solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene is yellow-green powder. The melting point is 200 ~ 201℃, and the decomposition temperature is greater than 220℃. Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and common organic solvents.
| Product Name | Optical brightener OB (C.I. 184 / C.I.28 ) | |
| MF | C26H26N2O2S | |
| EINECS No | 230-426-4 | |
| CAS No | 7128-64-5, | |
| Chemical Name | 2,5-bis(5-tert-butyl benzoxazoly-2’-)thiophene | |
| Appearance | Light green powder | |
| Purity | ≥98% | |
| Melting point | 198~202 °C | |
| Volatile: | <0.5% | |
| Package | 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers’ requirements. | |
| Applications:It is widely used in thermoplastic such as PVC, PE, PP, ABS, PS, and unsaturated resin and paint, ink and oil soluble coatings. | ||
| Properties:The product is light green or green powder, non-toxic and tasteless, can dissolve in
alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol). |
||
| Dosage:PVC whitening: 0.01~0.05%; Polystyrene :0001~0.001%;
Polyolefin matrix: 0.0005~0.001% |
to improve the light intensity: 0.0001~0.001% ABS:0.01~0.05%;
White matrix: 0.005~0.05% |
|
Optical Brighter OB used for brightening polyvinyl chloride, polystyrene, ABS resin, polyolefin and polyester, also used for acetate fiber, polymethyl methacrylate, foam leather whitening. Also used in varnishes, paints, UV-curable coatings, printing inks, fats, oils, packaging materials. It can be used as anti-counterfeiting mark in printing ink. In photography, it can be used to improve the whiteness of the non-image area of the photo, which can be converted into fluorescence when the photo is irradiated by ultraviolet light. Produce brightening effect.
25kg/bag
The purchaser fulfillment is our primary focus on. We uphold a consistent level of professionalism, high quality, credibility and service for OEM/ODM Manufacturer Optical Brightener Ob Light Green Powder, Our products enjoy good popularity among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
OEM/ODM Manufacturer Plastic Additives and Optical Brightener Ob, Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound solutions with good logistics service and economical cost. Depending on this, our solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia.
