Uvasorb HA29 is a monomeric Hindered Amine Light Stabilizer (HALS).
It is particularly effective as light stabilizer for coatings.
The tetramethylpiperidinyl group is responsible for the stabilization effect.
It functions mainly as free radical scavengers, especially with peroxy radicals. Because of its liquid form UvasorbÂ® HA29 can be added directly to the product.
Uvasorb Â®HA29 has such desirable characteristics as: