Features:
Antioxidant 168 is one kind of phosphite Antioxidant , odorless, involatile, non-polluted, non-inflammable, non-explosive, excellent water absorption and hydrolytic stability.
Antioxidant 168 can be used in PP, LDPE, PVC, ABS resin and PU.
Antioxidant 168 can be used easily and safely, it can be added directly, without diluted agent.
Standard: Q/320112JX02-2004
Item |
Index |
Top-grade |
First grade |
Appearance |
white crystal or powder |
white, off white crystal or powder |
Melting point, °C |
183.0-186.5 |
182.0-186.5 |
Volatile matter, %≤ |
0.30 |
0.50 |
Solubility |
clear |
clear |
Light transmittance |
425nm, %≥ |
98.0 |
97.0 |
500nm, %≥ |
98.0 |
98.0 |
2,4-dibert butyl phenol, %≤ |
0.2 |
0.4 |
Main assay, %≥ |
99.0 |
99.0 |
Acid value, mgKOH/g≤ |
0.30 |
- |
Hydrolysis time , h≥ |
14 |
- |
|