Published date: 2019-03-23 15:47:52
CAS number: 3147-75-9
Name: UV Absorber UV-329
Price:
$Inquiry/1kg
Purity: 99.0%
Stocking period: Inquiry
Stock: Inquiry
Detail Product Information:
Chemical name: 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
CAS No.：3147-75-9
Molecular formular：C20H25N3O
Molecular weight：323
Molecular structure
Specification
Appearance: White powder
Melting point，℃：103-105
Assay (HPLC), %: ≥99
Ash, %: ≤0.1
Loss on drying, %: ≤0.3
Transmittance 450nm≥98%
500nm≥99%
Solubility (20℃, g/100ml solvent)
Acetone:9 Benzene:32 Chloroform:37 Ethyl acetate:15 n-Hexane:6
Methanol:0.6 Methylene chloride:38 Water＜0.01
Application
UV ABSORBER HOSORB-329 is excellent benzotriazole ultraviolet absorbent with effective absorption of ultraviolet radiation in 270-380 nm region. It is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin etc. It is particularly suitable for the protection of polycarbonates. In transparent products and high temperature processing of engineering plastics, its effect is excellent. It can also be used for polyolefin.
Packing
25kg/fiber drum; 25kg/carton, or as per customer’s request.
Storage
Containers should be kept tightly closed when not in use. Store it in a dry, cool, well-ventilated shady place.
Recommended Dosage
Unsaturated Polyester : 0.2-0.5%
Rigid PVC : 0.2-0.5%
Plasticized PVC : 0.1-0.3%
Polyurethane : 0.2-1.0%
Polyamide : 0.2-0.5%
Name: Guangzhou Chengshuai New Material Co.,Ltd.
Chemsrc Level: Unverified
Product #: 30
Tel: 86-2034708468
Address: No.10,Jiqingxiang,Shiyicun,Shilou Town,Panyu Dist.,Guangzhou, China
Area: China(Mainland)
Contact: David
Contact Phone #: +862034708468
Email: info@hhochem.com
Website: http://www.hhochem.com
Major Market: North America, South America, Asia, Europe
Detail introduction:
Guangzhou Chengshuai Co., LTD., is a specialized company for fine chemicals located in Guangzhou, China. We are dedicated to the development and sales of polymer additives including antioxidants, UV absorbers and light stabilizers for plastic and rubber industry, paints, printing inks, oils etc.
Our production base was set up in 2010, mainly producing rubber and plastic additives. We possess a strong production capacity of 2500mt annually. With the experienced technicians and complete inspection equipment, the quality of our products is excellent. Our products are highly praised by our customers. We focus on the needs of the customers and market trends, respond with real-time services and offer our customers a wide range of products and various solutions.
We have a young, dynamic and experienced team with strong responsibility. Promptness and professional are the core competencies to satisfy our clients at home and abroad. Coordinating and growing with our customers is our main purpose. It is our will and determination to make every effort to help our customers to succeed.
Our principle is “Quality, Innovation and Service”. We have established the reliable long term business relationship with customers all over the world. Our products are exported to EU, North America, South America, Middle East , Asia etc. Welcome to join us. We are looking forward to the cooperation with you now.
Name: Shanghai Jizhi Biochemical Technology Co., Ltd
Area: China
Price:
$Inquiry/1kg
Contact: Liu jia
Product Detail: UV Absorber UV-329
Name: Dayang Chem (Hangzhou) Co., Ltd.
Area: China
Price:
$Inquiry/1kg
Contact: Ms Wang
Product Detail: 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole
Name: Henan Tianfu Chemical Co., Ltd.
Area: China
Price:
$Inquiry/1kg
Contact: Anson
Product Detail: Octrizole
Get all suppliers by the below link:
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