China Factory Best Price UV Absorber 320 CAS No. 3846-71-7 Used for Unsaturated Polyester and Other Polymers

• CAS No.: 3846-71-7
• Formula: C20h25n3o
• EINECS: 223-346-6
• Model NO.: 99.0%
• Appearance: Powder
• Usage: Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Leather Auxiliary Agents
• Color: Yellow
• Transport Package: 20kgs/Drum
• Specification: 20kgs/drum
• Trademark: RD
• Origin: China
• HS Code: 2933997500
• Production Capacity: 100mt/Month

Product Description

Item:UV Absorber 320
2-(2'-hydroxy-3',5'-di-t-butyl-phenyl)benzotriazole

UV Absorber 320
CAS NO.	3846-71-7
Molecular Formula	C20H25N3O
Molecular Weight	323.4
EINECS NO.	223-346-6
HS Code	2933997500
Appearance	Yellowish crystalline powder
Specification(%)	Purity % : 99.0 Min. Ash % : 0.1Max. Water(wt),%: 0.5 Max. Transmittance: 460 nm≥97%   500 nm≥98%
Usage	UV-320 is a high-efficient light stabilizer, which has strong ultraviolet absorbing ability and low volatility characteristics. UV-320 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering. It is suitable for PVC, unsaturated polyester and other polymers.
Packing	20kgs/drum or 25kgs/drum

Specification:

ITEM	SPECIFICATION
Appearance	Yellowish crystalline powder
Purity %	99.0 Min.
Water(wt),%	0.5Max.
Ash %	0.1Max.
Transmittance	460 nm≥97%   500 nm≥98%
Package	20KGS/Drum

Application:
UV-320 is a high-efficient light stabilizer, which has strong ultraviolet absorbing ability and low volatility characteristics.
UV-320 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets and fibers during outdoor weathering.
It is suitable for PVC, unsaturated polyester and other polymers.
FAQ:
1.What kind of payment term do you support ?
T/T 30% in advance and 70% before delivery,we will take and show you every process details.
2.What's your terms of delivery?
FOB, CIF etc.
3.How long will your production take ?
Usually  within 10 days finish production, then delivery after confirm the order
4.Do you  support the sample to test?
Sure, we would love to offer you free sample for testing. You only need to pay freight. 
5.How to choose the most suitable products?
Based on your industry and your requirements, we will recommend ones for  you.