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HS Code |
400074 |
| Chemical Name | 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol |
| Cas Number | 25973-55-1 |
| Appearance | Light yellow powder |
| Molecular Formula | C22H29N3O |
| Molecular Weight | 351.49 g/mol |
| Melting Point | 80-86 °C |
| Solubility | Soluble in organic solvents, insoluble in water |
| Uv Absorption Max | 342 nm |
| Specific Gravity | 1.17 g/cm³ |
| Product Type | Hindered amine light stabilizer (HALS); UV absorber |
| Use Level | 0.1-1.0% by weight in polymers |
| Thermal Stability | Up to 300 °C |
| Applications | Polyolefins, PVC, styrenics, engineering plastics |
| Color | Yellowish |
| Odor | Odorless |
As an accredited Tinuvin 328 UV Absorbers factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tinuvin 328 UV Absorber is packaged in 25 kg fiber drums, lined with polyethylene bags for moisture protection and secure transport. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Tinuvin 328 UV Absorbers typically holds 8,000–10,000 kg, packed in 25 kg fiber drums. |
| Shipping | Tinuvin 328 UV Absorbers are typically shipped in sealed, fiber drums or plastic containers to ensure product stability and prevent moisture or contamination. Containers should be clearly labeled and kept upright. During transit, maintain dry, cool conditions and comply with local and international regulations for handling and transport of chemical substances. |
| Storage | Tinuvin 328 UV Absorber should be stored in its original, tightly closed container, in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. Keep it away from acids, oxidizing agents, and foodstuffs. Ensure the storage area is equipped with appropriate containment to prevent environmental contamination and is accessible only to trained personnel. |
| Shelf Life | Tinuvin 328 UV Absorber typically has a shelf life of 2 years when stored in original, unopened containers at room temperature. |
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Purity 99%: Tinuvin 328 UV Absorbers with purity 99% is used in automotive coatings, where enhanced long-term UV resistance preserves the gloss and color of exterior finishes. Molecular Weight 358 g/mol: Tinuvin 328 UV Absorbers at molecular weight 358 g/mol is used in industrial wood finishes, where stable molecular structure ensures sustained UV protection. Melting Point 81°C: Tinuvin 328 UV Absorbers with a melting point of 81°C is used in thermoplastic polyolefins, where easy processability leads to uniform UV stabilization. Particle Size <10 µm: Tinuvin 328 UV Absorbers with particle size below 10 µm is used in transparent plastic films, where fine dispersion ensures optimal optical clarity and UV protection. Thermal Stability 240°C: Tinuvin 328 UV Absorbers with thermal stability up to 240°C is used in high-temperature extrusion processes, where consistent performance avoids degradation during manufacturing. Solubility in Organic Solvents: Tinuvin 328 UV Absorbers with high solubility in organic solvents is used in solvent-based polyurethane systems, where efficient incorporation guarantees uniform UV filtering. Lightfastness Grade 8: Tinuvin 328 UV Absorbers with lightfastness grade 8 is used in exterior architectural coatings, where maximum color retention is achieved under prolonged sunlight exposure. Viscosity 50 mPa·s: Tinuvin 328 UV Absorbers with viscosity of 50 mPa·s is used in liquid inks, where optimal flow characteristics enable precise application and superior UV protection. |
Competitive Tinuvin 328 UV Absorbers prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
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