Polyethylene Terephthalate (PET) CAS#25038-59-9
Excellent Tensile Strength & Barrier Performance: High-performance polyester raw material with high tensile strength, good rigidity and low permeability to oxygen and water vapor, stable dimensional property, ideal for packaging, fiber and film products.
Good Chemical Resistance & Processability: Chemically stable at ambient temperature, resistant to dilute acid, dilute alkali and most oils; compatible with color masterbatch, nucleating agent and functional additives, available for injection, extrusion, blow molding and spinning grades.
Stable Pellet Form for Convenient Transport: Transparent or off-white solid pellets with uniform texture, stable under sealed dry storage, easy to weigh, convey and automatic feeding for continuous production.
Polyethylene Terephthalate, abbreviated as PET, is a high-volume general engineering polyester raw material. It has balanced mechanical and barrier properties, with wide coverage of industrial and consumer application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 250~260 ℃ |
| Density | 1.37~1.40 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolated from moisture and heat source |
| Solubility | Insoluble in water, resistant to most organic solvents, susceptible to hydrolysis under high temperature & humidity |
| Form | Solid pellets |
| Color | Colorless transparent or milky white |
| Odor | Odorless |
| PH Value | Not applicable (non-aqueous polymer) |
| Hygroscopicity | Slightly hygroscopic |
| Stability | Stable in airtight packaging; hydrolyzes under high temperature and humid condition, decomposes when overheated |
| EINECS No. | 607-508-4 |
| CAS DataBase Reference | 25038-59-9 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Not classified |
| Risk Statements | Not applicable |
| Safety Statements | S22; S24/25; Avoid inhalation of dust |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Combustible solid; dust may form explosive mixture with air |
| HS Code | 39076100 |
Main applications: Beverage bottle & food packaging container, BOPET packaging film, textile fiber & staple fiber, engineering injection parts, solar backsheet, strapping band, cosmetic packaging, monofilament, modified composite material.






