Chemical Blog

What is HALS 770, and what is its role in UV stabilization? Understanding the composition of HALS 770 Hindered Amine Light Stabilizers (HALS), 770 is a non-yellowing, chemically structured compound, mainly composed of poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidinyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidinyl)imino]] known for its superior UV stabilization properties. This compound boasts a unique molecular structure that allows it to absorb and dissipate […]

Perkacit MBTS, technically known as Mercaptobenzothiazole Disulfide, is a widely used accelerator in the rubber industry. It is an organic compound, specifically a thiazole, renowned for its robust efficiency in the rubber vulcanization process. This guide aims to delve into the intricacies of Perkacit MBTS – its composition, benefits, applications, and trends that we can

What is UV 531 Absorber? —— UV 531, otherwise known as 2-Hydroxy-4-n-octoxybenzophenone, is a benzophenone-based ultraviolet light absorber (UVA). As a chemical compound, it has a distinct property of absorbing and dissipating UV radiation. This ability to protect materials from the damaging effects of sunlight makes UV 531 a valuable additive in various industries. It

What is Light Stabilizer 622? Light Stabilizer 622, scientifically known as Bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate, is a hindered amine light stabilizer (HALS) that is widely used to protect polymers from degradation caused by exposure to light and heat. Often employed in thin-section applications, this stabilizer is characterized by its excellent light stability and resistance to extraction. It

Updated June 2026 · Reviewed by the Nanjing Wellt Chemicals technical team Benzophenone-3 – also written benzophenone 3, and known as oxybenzone, BP-3, or UV-9 – is an organic UV absorber built around the benzophenone ring system. It’s widely used for two jobs that rarely get discussed together: it filters ultraviolet light in sunscreens and

Perkacit MBT, also known as Mercaptobenzothiazole, is a highly versatile chemical substance extensively used as an accelerator in the rubber industry. This compound plays a crucial role in promoting the vulcanization process, which enhances the physical properties of rubber, making it more resilient, flexible, and heat resistant. As we delve into this comprehensive guide, we

What is Tinuvin 328 and its application? —— Tinuvin 328, also known as UV-328, is a highly effective ultraviolet light absorber used predominantly in the plastics industry. It is characterized by its strong absorbance in the 300-400 nm range, making it particularly suitable for applications requiring improved weatherability. The compound’s primary function is to absorb

What is Tinuvin 292 and How Does It Work? Exploring the Chemical Composition of Tinuvin 292 Tinuvin 292, a hindered amine light stabilizer (HALS), possesses a unique chemical structure that contributes to its effective light-stabilizing properties. Composed of bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, it exhibits superior performance in preventing the degradation and loss of physical properties that polymers

What is Tinuvin P and its Application? —— Tinuvin P is a chemical compound known for its impressive ultraviolet light-absorbing capabilities, making it an essential component in various applications. This compound, which belongs to the family of hydroxyphenyl benzotriazoles, is widely used as a UV stabilizer in plastics and other materials to enhance their durability

Sulfur ester antioxidants, chemically known as thioesters, play a crucial role in inhibiting the oxidation process in a wide range of materials, particularly in polymers. These antioxidants work by neutralizing free radicals, thus preventing polymer degradation and extending the lifespan of the material. The molecular structure of sulfur ester antioxidants – characterized by the presence