UV Absorber UV-P for ABS/PVC/PS/PUR

• CAS No.: 2440-22-4
• Formula: C13h11n3o
• EINECS: 219-470-5
• Color: White to Little Yellow
• Kind: UV Absorber
• Appearance: Powder
• Model NO.: CAS Number 2440-22-4
• Storing: Sealed, Dry and Dark Conditions
• Transport Package: 25kg Carton
• Specification: powder
• Trademark: DEBORN
• Origin: China

Product Description

Chemical Name: (2'-Hydroxy-5mg-methylphenyl) benzotriazole
Synonyms:2-(2-Benzotriazolyl)-4-methylphenol
Molecular Formula  C13H11N3O    
Molecular Weight   225.3   
Structure


CAS Number   2440-22-4

Specification

Appearance	white to light yellow crystal powder
Content	≥ 99%
Melting point	128-130 °C
Loss on drying	≤ 0.5%
Ash	≤ 0.1%
Light transmittance	450nm≥90%
	500nm≥95%

Applications:
This product provides ultraviolet protection in a wide variety of polymers including styrene homo- and copolymers, engineering plastics such as polyesters and acrylic resins, polyvinyl chloride, and other halogen containing polymers and copolymers (e.g. vinylidenes), acetals and cellulose esters. Elastomers, adhesives, polycarbonate blends, polyurethanes, and some cellulose esters and epoxy materials

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

Package and Storage

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

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