SUNOVIN 5591 HALS: Essential Light Stabilizer for Superior Nylon UV Protection
Discover SUNOVIN 5591, the advanced solution protecting your nylon and polymer products from harmful UV light and environmental degradation, ensuring long-lasting performance and aesthetic appeal.
Get a Quote & SampleUnlocking Polymer Longevity with SUNOVIN 5591

SUNOVIN 5591 Hindered Amine Light Stabilizer
SUNOVIN 5591 (CAS 42774-15-2) is a cutting-edge Hindered Amine Light Stabilizer (HALS) that revolutionizes polymer durability. Specifically engineered as an additive for polyamides like nylon, this white crystalline powder delivers unparalleled protection against photodegradation, significantly extending the service life and maintaining the integrity of your materials under challenging environmental conditions.
- Enhance polymer durability: SUNOVIN 5591 is a high-performance UV stabilizer that significantly improves the long-term resistance of polyamides and other polymers against light-induced degradation.
- Prevent light aging: As an advanced light aging protectant for nylon, it actively inhibits the breakdown caused by photo-oxidation, preserving material strength and appearance.
- Cyclic free radical scavenging: Its unique hindered amine light stabilizer (HALS) mechanism continuously and cyclically removes free radicals, ensuring high efficiency and longevity without being consumed.
- Versatile application: Ideal for exterior polymer parts and various plastic and coating applications, providing essential UV stabilization for nylon and other sensitive materials.
Product Advantages in Action
Superior UV & Thermal Stability
SUNOVIN 5591 offers high-performance UV stabilization, crucial for extending the lifespan of outdoor polymer products, ensuring your materials withstand harsh environmental conditions.
Extended Material Lifespan
With its anti-aging properties, this HALS additive ensures long-term durability and color retention for your critical applications, making it an essential polymer anti-aging solution.
Maintains Aesthetic & Mechanical Integrity
By inhibiting polymer photo-oxidation, SUNOVIN 5591 enhances mechanical properties and prevents surface defects like cracking or chalking, preserving the original appearance and strength.
Key Applications
Nylon Products
SUNOVIN 5591 provides crucial UV stabilization for nylon, ensuring textiles and other polyamide-based items maintain their strength and color, proving an effective light aging protectant for polyamides.
Exterior Polymer Parts
As a light aging protectant, it's ideal for enhancing the durability of outdoor plastic and polymer components, facing harsh environmental exposure, offering essential UV stabilization for exterior polymer parts.
Protective Coatings
This advanced HALS is vital in various coatings, offering superior light protection and extending the service life of coated surfaces, contributing to enhanced polymer durability.
Automotive & Industrial Plastics
From automotive components to industrial applications, SUNOVIN 5591 ensures that plastic materials withstand UV degradation and retain their performance characteristics, providing crucial UV protection for plastics.