| Product name | Twain 81 (T81) |
| Chemical Name | Polyoxyethylene (5) sorbitan monooleate |
| Category | Tween series |
| CAS No. | |
| Appearance | A light yellow to amber oily liquid at room temperature. |
| Acid esters（mgKOH/g） | ≤ 2.0 |
| Saponification value（mgKOH/g） | 95~105 |
| Hydroxyl value（mgKOH/g） | 135~165 |
| HLB value（mgKOH/g） | 10 |
| Packaging | 25 kg/barrel, 200 kg/barrel |
| Performance | Soluble in ethanol, ethyl acetate, and methanol, slightly soluble in mineral oil and vegetable oil, and can be dispersed in water. It has emulsifying and stabilizing properties and belongs to the o/w type emulsifier; |
| Application | Soluble in ethanol, ethyl acetate, and methanol, slightly soluble in mineral oil and vegetable oil, and can be dispersed in water. It has emulsifying and stabilizing properties and belongs to the o/w type emulsifier; |
| Brand | 益利 |
| Quality guarantee period | 1 year |
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