Light Stabilizer 508 (HS-508/292)

Product NameHindered Amine Light Stabilizer HS-508 (292)
Chemical NameA mixture of bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate and 1-(methyl)-8-(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate
English NameThe active substance is a mixture of: bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate and 1-(methyl)-8-(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate
CAS NO.41556-26-7
82919-37-7
Molecular FormulaC30H56N2O4
C21H39NO4
Chemical Structure
 Main UsesHindered amine light stabilizer. Mainly used in coatings, inks, polyurethane paints, etc. It effectively prevents coatings from cracking and surface delamination under sunlight exposure, and performs even better in automotive-specific coatings. It has a synergistic effect with benzotriazole-type UV absorbers.
StorageThis product is hygroscopic and must be stored sealed, dry, and protected from light.
Packaging 20 kg fiber drum with inner plastic bag.
Light Stabilizer 508
Light Stabilizer 508 -> HS-508 structural formula
Technical reviewTiangang Technical CenterVersion2014-03-13
Specifications and application notes on this page are compiled from Tiangang's published technical data. Actual values are governed by the COA shipped with each lot and the technical agreement confirmed by both parties.

Certifications

  • National High-Tech Enterprise
  • Vice Chairman Unit, China Plastics Processing Industry Association (CPPIA)
  • Vice Chairman Unit, Agricultural Plastics Branch, China Agricultural Plastics Application Technology Society
  • Member, Ageing Methods Subcommittee, National Technical Committee on Plastics (SAC/TC15/CS5)
  • Member, Society of the Plastics Industry (SPI), USA

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