PRODUCT DATA SHEET (TDS)
1. Product Identification
| Item | Details |
| Product Name | Bright Engineering Plastic Grade Polyester Chip (E-IV Type, Viscosity-Enhanced) SP-244 |
| CAS No. | 25038-59-9 (Polyethylene Terephthalate) |
| Appearance | Bright solid chips |
| Note | High-viscosity grade for engineering plastic applications |
2. Typical Specifications
| Analysis Item | Unit | Quality Index | Typical Test Result |
| Intrinsic Viscosity | dl/g | 1.070 ± 0.025 | 1.073 |
| Melting Point | °C | 261 ± 2 | 261 |
| Carboxyl End Group | mol/t | ≤ 30 | 17 |
| Color (b Value) | – | 3 ± 2 | 3 |
| Moisture Content | % | ≤ 0.4 | 0.1 |
| Powder Content | mg/kg | ≤ 100 | < 50 |
| Diethylene Glycol (DEG) Content | % | ≤ 1.20 | 0.79 |
3. Physical & Chemical Properties
- State: Bright solid chips at room temperature
- Material Type: Ultra-high-viscosity (viscosity-enhanced) polyethylene terephthalate resin for engineering plastics
- Key Features: Ultra-high intrinsic viscosity, low moisture content, low carboxyl end group, controlled DEG content, suitable for high-performance engineering plastic processing
4. Applications
- High-performance engineering plastic and specialty polyester applications
- Ultra-high-strength fiber and industrial yarn production
- Rigid packaging and structural components requiring ultra-high viscosity
- Injection molding and extrusion processes requiring enhanced mechanical properties
5. Packaging & Storage
Packaging: 100kg bags
Storage Conditions: Store in a cool, dry, well-ventilated area. Protect from moisture, direct sunlight, and incompatible materials.Handling Precautions: Avoid dust inhalation. Use appropriate personal protective equipment (gloves, goggles) when handling.
