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SHANDONG HONGKUN IMP.&EXP.CO.,LTD
SHANDONG HONGKUN IMP.&EXP.CO.,LTD Your polymer value added by Hongkun UV Absorber - Grandsorb .
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Tinuvin 328 Lowilite 28 Benzotriazole UV Absorber , CAS No. 25973 - 55 – 1

SHANDONG HONGKUN IMP.&EXP.CO.,LTD
SHANDONG HONGKUN IMP.&EXP.CO.,LTD
City: Qingdao
Province/State: Shandong
Country/Region: China
Tel: 86-532-85030157
Contact Person:
Ms AMILY MEI

Tinuvin 328 Lowilite 28 Benzotriazole UV Absorber , CAS No. 25973 - 55 – 1

Place of Origin : CHINA
Brand Name : GRANDSORB® 328
Certification : Reach pre-registration
Model Number : CAS
MOQ : Negotiable
Price : Negotiable
Packaging Details : 20KG Carton, 20KG drum
Delivery Time : prompt
Payment Terms : Negotiable
Supply Ability : 100mt/year
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Tinuvin 328 Lowilite 28 Benzotriazole UV Absorber , CAS No. 25973 - 55 – 1


Quick Detail :


UV 328 is a UV absorber of the hydroxyphenylbenzotriazole class , which imparts out - standing light stability to plastics and other organic substrates .


Description :

  1. Name : UV328
  2. Chemical name : 2 - ( 2H - Benzotriazol - 2 - yl ) - 4 , 6 - ditertpentylphenol
  3. CAS No. : 25973 - 55 - 1

UV328 exhibits strong absorbance in the 300 - 400nm region and minimum absorption in the visible region ( > 40nm ) of the spectrum . The absorption maximum area is at 306nm and 347nm in chloroform solution .


Applications :

UV 328’s use level ranged between 0.1 and 1.0 % depending on the substrate and performance requirements of the final application . The product can be used alone or in the combination of other additives . It could particularly get a good performance in the combination of hindered amine light stabilizers such as LS 770 , LS 622 , LS 791 and so on .


Specifications :

AppearanceOff-white Powder
Assay (GC)99% min
Melting Point80-82℃
Volatile0.3% max
Ash0.1% max
Transmittance460nm 97.5% min
500nm 98.0% min

Competitive Advantage :


TINUVIN 328 features strong UV absorption , low initial color , excel compatibility in a wide range of substrates , good solubility in plasticizers and monomers and moderately low volatility .

Hongkun is one of the important manufacturers of UV328 in China with the same quality of BASF , and the application effect has been proved by many customers .


Product Tags:

ultraviolet light absorber

      

hindered amine light stabilizer

      
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