Speciality Chemicals

Light Stabilizer 3346

  • CAS No.82451-48-7
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-performance polymerized hindered amine light stabilizer designed for polyolefins. Offers superior thermal stability and low coloration.

Request a Quote & Full COA

Product Technical Details

Product Overview

Light Stabilizer 3346 represents a advanced class of polymerized hindered amine light stabilizers (HALS) engineered for demanding industrial applications. This high molecular weight compound incorporates a triazine group within its molecular structure, distinguishing it from conventional stabilizers. The unique chemical architecture provides exceptional resistance to extraction and volatility, ensuring long-term protection for polymer matrices against ultraviolet radiation and thermal degradation.

Designed specifically for compatibility with polyolefin systems, this stabilizer minimizes color stain while maximizing service life. It is an ideal solution for manufacturers seeking to enhance the durability of plastic products exposed to harsh environmental conditions without compromising aesthetic quality or mechanical integrity.

Key Performance Advantages

  • Superior compatibility with polypropylene and polyethylene matrices
  • Exceptional thermal stability during high-temperature processing
  • Low coloration profile ensures minimal impact on final product appearance
  • High molecular weight reduces migration and extraction losses
  • Extended service life for outdoor applications and agricultural films

Technical Specifications

ParameterSpecification
AppearanceLight yellow powder
Purity Content≥99%
Melting Point100.00-125.00℃
Thermal Weight Loss343℃ (10% loss)
Loss on Drying≤0.80%
Packing Standard25KG carton

Industrial Applications

This stabilizer is extensively utilized in the stabilization of polyolefins including PP, PE, and EVA copolymers. Its robust performance makes it suitable for automotive components, agricultural greenhouse films, and outdoor construction materials. The triazine functionality provides a synergistic effect that complements other additive systems, allowing formulators to achieve higher performance benchmarks with lower loading rates.

Due to its polymerized nature, Light Stabilizer 3346 exhibits reduced volatility compared to low molecular weight alternatives. This characteristic is critical for applications involving high-temperature extrusion or molding processes where additive loss can lead to premature failure. The product serves as a reliable drop-in replacement for equivalent legacy stabilizers, offering improved cost-efficiency and supply chain stability.

Storage and Handling

To maintain optimal quality, this product should be stored in a cool, dry, and well-ventilated facility. Protection from moisture and direct heat sources is essential during transportation and warehousing. The material demonstrates good storage stability under recommended conditions. Users are advised to follow standard industrial hygiene practices when handling chemical powders. For detailed safety information and certificate of analysis (COA), please contact our technical support team.