High quality of Optical Brighteners (OBA APC)from China at HANGZHOU TONGGE ENERGY TECHNOLOGY CO., LTD. Optical Brighteners (OBA APC) have the molecular formula C40H40N12Na4O16S4. They are used to enhance the brightness of cotton, fibers, viscose fibers, and paper.
Product name:Optical Brighteners (OBA APC)
Other Name:Fluorescent Brightener 220;16470-24-9;Leucophor U;Blankophor BBU;Blancofor BBU;C.I. Fluorescent Brightener 220;
CAS:16470-24-9,115469-16-4, 1222810-19-6, 1434054-62-2, 153796-51-1, 1999502-37-2, 2648222-64-2
| Commodity Name | Testing Item | Standard spec |
| BBU (C.I.220) | Fluorescent intensity | ≥100 |
| Color shade |
Similar to Slightly Different |
|
| Moisture content | ≤5.0% | |
|
Whiteness (equivalent to standard sample) |
≥-3 | |
| water insoluble impurities | ≤0.2 | |
|
the limitation of 10 kinds of heavy metals (mg/kg) |
Conform to the standard GB20814 |
|
|
the limitation of 23 kinds of harmful aromatic amines (mg/kg) |
Conform to the standard GB19601 |
|
| Appearance |
Light yellow uniform powder |
Application:Optical Brighteners (OBA APC) Used for brightening cotton, fiber, viscose fiber and paper
Packing: 1150Kg/IBC，23MTS/20'GP.
Address
Shanshuiyuan, Qingshuiwan Villa, Zhongtai Street, Yuhang District, Hangzhou City, Zhejiang Province, China
Tel
