product name: t40 - polyoxyethylene (20) sorbitan monopalmitate
1. appearance yellow clear oily liquid.
2. other names tween 40; polysorbate 40
3. hlb value 15.6
4. technical specification (according to gb 29222-2012)
parameters |
unit |
standard value |
acid value |
mg koh/g |
≤2.0 |
saponification value |
mg koh/g |
41~52 |
hydroxyl value |
mg koh/g |
90~107 |
moisture |
w/% |
≤3.0 |
residue on ignition |
w/% |
≤0.25 |
pb |
mg/kg |
≤2 |
oxyethylene |
w/% |
66.0~70.5 |
5. packaging
25kg, 220kg/ plastic drum net weight. (other packages are available upon request.)
6. storage and preservation
preserved dry at room temperature, avoid sunlight.
7. shelf life 2 years