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An excellent organic phosphorus-based additive that possesses anti-oxidation and thermal stability properties, and is widely used in the processing of polymer materials.
As an organic phosphite compound, its core advantage lies in its ability to capture free radicals, which can effectively prevent the thermal degradation and oxidative aging of high-molecular materials during processing and use. It is commonly used as an antioxidant and heat stabilizer for polyolefins, PVC, and engineering plastics, and can also be used in coatings and adhesives to enhance the product's resistance to yellowing and aging. Moreover, this product has low toxicity (LD50 for rats by oral administration is > 5000 mg/kg), and during operation, only routine dust prevention and contact protection are required.
| Parameter Category | Specific Information |
|---|---|
| Physical Properties | Appearance: White crystalline powder Melting Point: 102-105℃ Density: ~1.25 g/cm³ (25℃) Solubility: Slightly soluble in water, soluble in organic solvents such as toluene and xylene Stability: Stable in cool and dry environment at room temperature; avoid contact with strong acids, alkalis and oxidants |
| Chemical Properties | An organophosphite compound with free radical scavenging ability; prone to hydrolysis under acidic/alkaline conditions; can form coordination complexes with metal ions; decomposes gradually at high temperatures (>200℃) |
| Quality Specifications | Industrial Grade Purity: ≥98% High-end Grade Purity: ≥99% Impurity Content: Heavy metals (as Pb) ≤10ppm; Moisture ≤0.5% |
| Application Fields | 1. Polymer Materials: Antioxidant/heat stabilizer for polyolefins, PVC and engineering plastics, inhibiting thermal degradation during processing 2. Coatings & Adhesives: Improves yellowing resistance and aging resistance of products 3. Synthetic Resins: Performance optimization additive for polyurethane and epoxy resins |
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