Polystyrene Resin Disposable Cups Non-Toxic Food Grade Raw Material
Polystyrene (PS) is a synthetic plastic polymer made from petroleum-based chemicals. It is a lightweight, rigid thermoplastic that can be easily molded into many shapes and sizes. Polystyrene is an incredibly versatile material, used in a wide variety of consumer products ranging from packaging materials to food containers and even toys.
Polystyrene Applications:
• Packaging materials
• Food containers
• Toys
• Cutlery
• Protective packaging
• Electronics and medical devices
• Outdoor and marine applications
• Insulation materials
• Floor tiles
• Disposable cups and plates
• Car parts
Polystyrene Properties:
• Lightweight and rigid
• Easily molded
• Excellent insulation properties
• Resistant to water
• Durable and resistant to chemicals and abrasion
• Flame-resistant and non-toxic
• Relatively inexpensive
• Versatile for many uses
Polystyrene Specifications
| Feature | Description |
| Chemical composition | A thermoplastic polymer made from styrene monomer |
| Physical form | Solid or foam |
| Color | Usually transparent, white or black |
| Density | 1.04-1.06 g/cm³ (for solid PS) or 0.01-0.05 g/cm³ (for foam PS) |
| Tensile strength | 40-50 MPa (depending on the formulation and processing) |
| Flexural strength | 60-80 MPa (depending on the formulation and processing) |
| Melting point | 240-270 °C (depending on the molecular weight of the polymer) |
| Glass transition temperature (Tg) | 85-105 °C |
| Heat distortion temperature (HDT) | 70-80 °C (for solid PS) or 50-60 °C (for foam PS) |
| Chemical resistance | Resistant to most acids, bases, and alcohols |
| Electrical insulation | Good |
| Flammability | Highly flammable, but can be modified with additives to increase fire resistance |
| Processing methods | Injection molding, extrusion, thermoforming, and more
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