UV Absorber UV-327

Short Description:

UV-327 has low volatility and good compatibility with resin. It is suitable for polypropylene, polyethylene, polyformaldehyde and polymethylmethacrylate, especially for polypropylene fiber.

Product Detail

Product Tags

Chemical Name: 2-(3′,5′-di-tert-Butyl-2′-hydroxyphenyl)-5-chloro-2H-benzotriazole
CAS NO.:3864-99-1
Molecular Formula:C20H24ClN3O
Molecular Weight:357.9


Appearance: light yellow powder
Content: ≥ 99%
Melting point: 154-158°C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%
Light transmittance: 440nm ≥ 97%, 500nm ≥ 98%


This product is suitable in Polyolefine, Polyvinyl chloride, organic glass and others. Max absorption wave length range is 270-400nm.
Toxicity: low toxicity,rattus norvegicus oral LD50 =5g/Kg weight.


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

  • Previous:
  • Next:

  • Write your message here and send it to us