Advanced synergistic blend of hindered amine light stabilizers (HALS) and UV absorbers for superior long-term photostability.
Enhanced compatibility with polyolefins, engineering thermoplastics, and elastomers without blooming or plate-out issues.
Low volatility and excellent thermal stability up to 280 °C, supporting high-temperature processing such as injection molding and extrusion.
Improved resistance to color formation and surface cracking under intense UV exposure and cyclic weathering conditions.
Designed for regulatory compliance with major global food-contact and automotive material standards (e.g., FDA 21 CFR, EU 10/2011, OEM specifications).
Automotive exterior components including bumpers, grilles, and trim parts exposed to sunlight and thermal cycling.
Outdoor building & construction materials such as siding, roofing membranes, and window profiles.
Agricultural films requiring extended UV durability for greenhouse covers and mulch films.
Packaging for UV-sensitive consumer goods, including rigid containers and flexible laminates.
Consumer electronics housings and outdoor furniture where aesthetic retention and mechanical integrity are critical.
| Chemical Type | Synergistic HALS/UV absorber blend |
| Product Form | Pellets |
| Appearance | Off-white to light beige free-flowing pellets |
| Primary Applications | Polypropylene (PP), polyethylene (PE), thermoplastic elastomers (TPE), ABS, and PC blends |
| Key Features | High-efficiency UV protection, low extractability, excellent melt stability |
| Benefits | Extended service life, reduced yellowing, improved gloss retention, process robustness |
| Recommended Loading Range | 0.1–0.5 wt% depending on substrate and end-use requirements |
| Storage Conditions | Store in original unopened packaging at <30 °C and <60% RH; protect from moisture and direct sunlight |
Q1: What is the primary function of CYASORB CYNERGY SOLUTIONS A400 in polymer formulations?
A: CYASORB CYNERGY SOLUTIONS A400 is a liquid light stabilizer system designed to provide synergistic UV protection for polymers, combining hindered amine light stabilizers (HALS) and UV absorbers to enhance long-term resistance against photo-oxidative degradation under outdoor exposure.
Q2: Which polymer types is A400 most commonly used in?
A: It is widely applied in polyolefins (e.g., PP and HDPE), engineering thermoplastics (such as ABS and PC blends), and elastomers where high processing stability and uniform dispersion are required—particularly in thin-walled or highly pigmented applications where conventional solid stabilizers may exhibit migration or blooming issues.
Q3: How does the liquid format of A400 benefit manufacturing processes?
A: As a ready-to-use liquid solution, A400 enables simplified handling, improved dosing accuracy, and excellent compatibility with masterbatch and direct-compounding processes—eliminating dust generation, reducing mixing time, and supporting consistent distribution even at low loadings.
Q4: Is A400 suitable for applications requiring regulatory compliance for food contact or sensitive consumer goods?
A: While A400 is formulated for high-performance industrial and durable goods applications, its suitability for regulated end-uses—including food contact—must be confirmed case-by-case based on final formulation, processing conditions, and applicable regional requirements. Solvay recommends conducting full regulatory assessment and migration testing when targeting such applications.
Q5: What storage and handling precautions should be observed for A400?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and strong oxidizing agents. Avoid prolonged exposure to elevated temperatures or moisture ingress, and follow standard industrial hygiene practices during handling to ensure optimal shelf life and performance consistency.
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