Chemical Name: 2,2'-methylene bis(6-(2H-benzotriazole-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol) CAS NO.:103597-45-1 Molecular Formula:C41H50N6O2 Molecular Weight:659 Structural Formula Specification Appearance: light yellow powder Content: ≥ 99% Melting point: 195°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance: 440nm≥97% 500nm≥98%
Application 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. Usage: 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
Other products of the UV Absorber Series, for example:
BP-1 (UV-0)
BP-2
BP-3(UV9)
BP-4
BP-5
BP-6
BP-9
BP-12(UV-531)
BP-P
UV-120
UV-234
UV-320
UV-326
UV-327
UV-328
(UV-5411)
UV-329
UV-571
UV-1084
UV-1164
UV-1577
UV-2908
UV-3030
UV-3039
UV-3638
UV-4050H
UV-5050H
UV-1
UV-2