The secondary antioxidant PS 802 FL is a valuable additive with the following characteristics:

Chemical Properties:

Chemical composition is designed to provide effective antioxidant functionality. While the exact chemical formula is proprietary information, it is known to contain specific compounds that contribute to its antioxidant properties.
 

Physical Properties:

Appearance: Typically a white or off-white powder or granule.

Melting point/softening point: Varies depending on the formulation but is within a specific range that allows for easy handling and incorporation into various materials.

Solubility: May have limited solubility in water but is soluble in certain organic solvents depending on the application requirements.

Performance Features:

Enhanced stability: PS 802 FL is designed to provide excellent secondary antioxidant properties, working in conjunction with primary antioxidants to enhance the overall stability of materials. It helps to prevent degradation caused by heat, light, and oxygen, thereby prolonging the lifespan of the product.

Synergistic effect: Demonstrates a strong synergistic effect when used in combination with other antioxidants and stabilizers. This synergy leads to improved protection against oxidative degradation and better performance of the material.

Low volatility: Has low volatility, ensuring that it remains in the material and continues to provide protection even under high-temperature processing conditions or during long-term use.

Color stability: Helps to maintain the color stability of the material, preventing discoloration and fading over time. This is particularly important for applications where color consistency is crucial.

Compatibility: Compatible with a wide range of materials including plastics, rubbers, and adhesives. It can be easily incorporated into these materials without affecting their physical or mechanical properties.

Applications:

Widely used in the plastics industry for stabilizing polymers such as polyethylene, polypropylene, polystyrene, and engineering plastics. It is added during the manufacturing process to improve the thermal stability and oxidative resistance of the plastic products.

In the rubber industry, PS 802 FL is used to protect rubber compounds from degradation, improving their durability and performance.

Also finds application in adhesives and sealants to enhance their stability and shelf life. It helps to prevent the adhesive from losing its bonding strength due to oxidation.

Can be used in coatings and inks to improve their resistance to oxidation and fading, ensuring long-lasting color and gloss.