UV and Thermal Stabilizer
CAS # Proprietary
Ideally suited for TPU and PVC systems.
SperseStab 4866 is ideally suited for both PVC and TPU systems with strong UV-B absorbance as well as radical trapping ability that does not impart color under UV stability testing.
SperseStab 4867 additionally includes a synergistic UV stabilizer for additional long term UV stability. Can be used in conjunction with other thermal stabilizers and antioxidants.