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Chemical Name : Butanedioic acid, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
Struture :
Molecular Formular : C15n+1H25n+4O4n+1N n
Molecular Weight : Mn=3100~4000
CAS NO : 65447-77-0
The sale code name : YS 622
Physical and Chemical Properties:
Appearance and behavior : white to slightly yellow powder , odorless
Loss on drying(%) : ≤0.5
Transmittance : 425nm ≥95.0 ; 500nm ≥98.0
Clarity : transparent solution
PH-Value (1% suspension in water 20~25℃) : 6.3
Melting/Freezing temperature : 50~70℃(softening range)
Density(20℃) : ca 1.22g/cm3
Flash Point : >250℃
Ignition temperature : 370℃
Ash : ≤0.1%
Softening point : 55~70℃
Water solubility (20℃) : ca 1.6mg/L
Vapor pressure (20℃) : 2.5E-6 Pa
Partition coefficient (Log Pow, 20~25℃) : 5.2

Introduction :
YS 622 is the low volatility and minimal migration , because of its oligomeric structure with high molecular weight. Furthermore YS 622 is effective as antioxidant and contributes significantly to the long term heat stability of polyolefins and tackifier resins.

Application :
YS 622 areas of application include polyolefins(PP , PE) , olefin copolymers such as EVA as well as blends of polypropylene with elastomers. In addition YS 622 is highly effective in polyacetals , polyamides and polyurethane applications.
The effectiveness of YS 622 surpasses significantly that of UV absorbers , particularly in pigmented systems.

Guidelines for use :
Thick sections UV stabilization of HDPE , LLDPE , LDPE and PP 0.15~0.5%
Films UV stabilization of LLDPE and LDPE 0.1~1.2%
Tapes UV stabilization of HDPE and PP 0.2~0.8%
Fibers UV stabilization of PP fibers 0.1~1.0%

Handling and Safety :
In accordance with good industrial practice , handle care and prevent contamination of the environment. Avoid dust formation and ignition sources .For more detailed information please refer to the material safety data sheet.


Posted by Elly Cheng
e-MailContact company
Yantai Yusheng Chemical Co.,Ltd.
Address No12 Chunhui Road Laishan District,Yantai city,China
City & ZIP
For registered Members only.
For registered Members only.
Key Customers / Clientele Overseas
Company Profile We are professional in the manufacturing polymer additive such as plastic additive ,PU additive. Our strong fields are light stabilizer 770/light stabilizer 622 which monthly production ability is over 200tons . We have built up good technical relationships with Shandong University, Nanjing Teachers University, Qingdao University ,Yantai University and Sichuan United University . With the spirit of honesty , diligence ,cooperation ,high-efficiency ,innovation and civilization , Yusheng Chemical is engaged in the chemical field domestically and internationally with its high-tech products . It will boot in China and server for the world with more professional technology and more perfect support to reach the new glory.
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Keywords (seperated by comma)light stabilizer
Product SpecificationsLight stabilizer YS-622
Industry Categoryplastic additives
Quality/Safety Certifications
Delivery Lead Timeas per order amount
Payment & Price TermsT/T
My OffersAs per order amount
Product Portfolio / Other Products
Detailed Company Introduction
FOB Price & Portas per order amount
Packaging Details25kg carton or paper barrel(PE plastic inside)
Our TeamYusheng
Web SiteFor registered Members only.

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 Product Details
 Product id  373901
 Visits   1905
 Date  2014.07.25

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