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| Chemical name : | 2-(2H-benzotriazole-2-yl)-4-(1, 1, 3, 3-tetramethylbutyl) phenol |
| CAS number : | 3147-75-9 |
| Formula : | C₂₀H₂₅N₃O |
| M.W. : | 323 |
| Chemical structure : |
|
Appearance |
White to light yellow powder |
|
Purity |
99.0% min |
|
Melting point |
103.0-105.3°C |
|
Volatility |
0.30% max |
|
Ash |
0.10% max |
|
Transmittance |
|
|
@440 nm |
96.0% min |
|
@500 nm |
97.0% min |
Leadstab UV 329 is a strong UV light absorber for use in polyolefin, polyester resins and coatings. Leadstab UV 329 protects polymers from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
The use levels of Leadstab UV 329 range between 0.10 and 1.0%, depending on substrate and performance requirements of the final application. The product can be used alone or in combination with other additives such as light stabilizers (hindered amines), antioxidants, and other functional stabilizers and additives. The use of Leadstab UV 329 in combination with HALS is particularly noteworthy in that a synergistic performance is often observed.
The packaging is net weight 20kg PE bag.
Keep in a dry, cool and well-ventilated place. Keep container tightly closed.
Onelead Co., Ltd.
+86 1021737291
Rm 1625, Taifenghuizhong, No.120 Zhushikou West Street, Xicheng, Beijing, China,100050
