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

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
4. Polyamide : 0.2-0.5wt% based on polymer weight

Package and Storage

1. 25kg carton
2. Stored in sealed, dry and dark conditions