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Hindered Amine Light Stabilizers (HALS) are a class of chemical additives designed to protect polymers and coatings from degradation caused by ultraviolet (UV) radiation and environmental exposure. Unlike UV absorbers, which work by absorbing harmful UV light, HALS operate through a radical scavenging mechanism, neutralizing free radicals generated during the photo-oxidation of polymers.
Key Benefits:
Prevents polymer chain scission and loss of mechanical properties
Reduces discoloration, surface cracking, and brittleness
Enhances durability and lifespan of coatings and plastics
Compatible with a wide range of thermoplastics, thermosets, and coatings
Typical Applications:
Coatings, paints, and varnishes exposed to sunlight
Polyolefins, PVC, and engineering plastics
Elastomers and rubber materials for outdoor use
Composite materials requiring long-term UV resistance
Custom Solutions:
Bedford Specialty Sales offers a full selection of HALS. Please contact us with your specific requirements to identify the right grade and performance level for your application.
Hindered Amine Light Stabilizers (HALS) are a class of chemical additives designed to protect polymers and coatings from degradation caused by ultraviolet (UV) radiation and environmental exposure. Unlike UV absorbers, which work by absorbing harmful UV light, HALS operate through a radical scavenging mechanism, neutralizing free radicals generated during the photo-oxidation of polymers.
Key Benefits:
Prevents polymer chain scission and loss of mechanical properties
Reduces discoloration, surface cracking, and brittleness
Enhances durability and lifespan of coatings and plastics
Compatible with a wide range of thermoplastics, thermosets, and coatings
Typical Applications:
Coatings, paints, and varnishes exposed to sunlight
Polyolefins, PVC, and engineering plastics
Elastomers and rubber materials for outdoor use
Composite materials requiring long-term UV resistance
Custom Solutions:
Bedford Specialty Sales offers a full selection of HALS. Please contact us with your specific requirements to identify the right grade and performance level for your application.