High-efficiency UV absorber UV-360 CAS NO.: 103597-45-1

Ingredients: 2,2'-methylene bis(6-(2H-benzotriazole-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol) Molecular formula:C₄₁H₅₀N₆O₂ Molecular weight:659 CAS NO.: 103597-45-1 Chemical structural formula: Technical index: Appearance: light yellow powder Content: ≥ 99% Melting point: 195°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance: 440nm≥97% 500nm≥98% Introduction: This product is high-efficiency ultraviolet absorbent and widely soluble in many resins. This product is used in polypropylene resin, polycarbonate, polyamide Resin and others. General dosage:. 1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight 2.PVC: Rigid PVC : 0.2-0.5wt% based on polymer weight Plasticized PVC : 0.1-0.3wt% based on polymer weight 3.Polyurethane : 0.2-1.0wt% based on polymer weight 4.Polyamide : 0.2-0.5wt% based on polymer weight Packing and Storage: Package: 25KG/CARTON Storage: Stable in property, keep ventilation and away from water and high temperature