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UV ABSORBER UV 234 CAS NO.70321-86-7
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    • Price: $ 0.00 Kg / each
    (0 means negotiable)
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    Brand:
    Specifications: Appearance: Light yellow powder Purity, %: ≥ 99 Melting poin
    Type New
    Date: 20-08-2019
    Business type: Manufacturing
    Seller details: See Right Sidebar section
    Quantity: Kg( Stock 0 Kg)

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    Product details

    Chemical name: 2-[2'-hydroxy-3',5'-bis(-dimethyl benzyl)-phenyl]benzotriazole

    CAS No.:70321-86-7                           
    Molecular formula:C30H29N3O  
    Molecular weight: 447.6                        
    Molecular structure 
     
     
    Specification                                                                     
    Appearance: Light yellow powder
    Purity, %: ≥ 99
    Melting point，℃:139.5-141
    Volatile matter, %: ≤ 0.5 
    Ash, %: ≤ 0.05
    Transmittance   450nm≥97%     
    500nm≥98%
     
     
    Application                                                                       
    UV ABSORBER HOSORB-234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class. It has low volatility at high temperatures and high resistance to thermal degradation for compounding and molding applications. It is highly effective for polymers processed at high temperature such as polycarbonate, polyester, polyacetal, PPO, polyamide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers etc.. It is also useful in the light stabilization of powder coatings and solvent-based coatings.  info at hhochem.com
     
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    Seller information
    Guangzhou Chengshuai New Material Co.,Ltd.
    Name David
    Telephone: +862034708468
    Fax: 862084697353
    Mobile:
    Location: Guangzhou Guangdong
    Address: No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou.China
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