GH411OBT Compare
GH411-xxOBT
Is fluorescent white dye that absorbs ultraviolet region. This property makes optical brightener effective at masking any yellowing that may be present in plastics. Depends on the main polymer, OB1 can be applied alone or in a variety of blends and combinations with processing, heat and light stabilizers.
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| Form | Powder |
| Color | Yellow green |
| Percent of inorganic salt (Cl- %) | Max 0.4 |
| Fluorescent strength | 100±3.0 |
| Volatile (%) | %0.3 Max |
| pH value | 7.0-10.0 |
| Assay | ≥ %98 |
| Melting Point(℃) | ≥ 359ºC |
| Application | 1. Goes for the brightening of such chemical fibers of polyester, nylon and polypropylene. 2. Goes for the whitening and brightening of polypropylene plastic. Hard PVC, ABS, EVA, Polystyrene, polycarbonate, etc. 3. Applicable to be added in the general polymerizations of polyester and nylon. |
| Recommended charges | Brightening of OB-1 in every 1000kg raw material: 1. Of 75~200g in EVA, polypropylene, nylon, polycarbonate, and so on. 2. Of 75~300g in terylene fibre. |
| Standard packaging | 25 kg net, in drum. |