LeCOLOR® – OPTICAL BRIGHTENER OB1
Technical Data Sheet
CAS No.: 1533-45-5
C.I. No.: 393
Application/Uses:
- Cotton
- Plastics
- fibers
- Polyester
- Polymers
- Recycled polymers
Key Attributes:
- Colors appear more brilliant
- Environmentally friendly
- Excellent brightening ability
- Produce a bluish tinge, masking yellowness
- Whiter-than-white appearance
Typical Properties:
| Property | Typical Value |
| Appearance | Yellow greenish powder |
| Specific Gravity @ 20℃/20℃ | 1.39 |
| Melting Point | 355-360℃ |
| Assay | 98.5 wt % min |
| Particle Size | Pass 200 mesh |
LeCOLOR – OPTICAL BRIGTHENER OB1
Product Description:
LeCOLOR® – OPTICAL BRIGHTENER OB1 significantly improve the whiteness in both textile fibers and plastics. In polyester and nylon fibers, LeCOLOR® – OPTICAL BRIGHTENER OB1 impart a pleasing whiter-than-white appearance and give more intensity to some colors as well. Because of its excellent brightening ability, good thermal stability, and compatibility with many polymers,
LeCOLOR® OB1 is an effective brightener for many plastics products in india. LeCOLOR® – OB1 provides an excellent white, permanent color since the brightener is dissolved in the polymer or fiber during polymer manufacture. This permanence gives much better brightness retention over time versus other methods such as bleaching or surface treatment with optical brighteners. LeCOLOR® OB1 function by absorbing ultraviolet radiation and re-emitting blue light. The emitted blue light will reduce the yellow color of a polymer and provide the whiter-than-white appearance. LeCOLOR® – OB1 most demanding in india.