TOPTAPE®-Expanded Polystyrene-06
Expanded Polystyrene (EPS) is a versatile material known for its lightweight, insulating, and shock-absorbent properties. It is widely used in thermal insulation for buildings, protective packaging for fragile items, construction components like composite panels and moldings, and transportation applications such as automotive parts and flotation devices.
EPS is also popular in crafts and hobbies due to its ease of shaping and cutting. Additionally, it serves as a material for disposable food service products like coffee cups and packing peanuts, showcasing its broad utility across multiple industries.
The advantages of Expanded Polystyrene
Expanded Polystyrene (EPS) offers several advantages that make it a popular choice across various applications:
Lightweight: EPS is extremely light, which makes it easy to handle and transport. This characteristic is particularly beneficial in packaging and construction industries where reducing weight can lower costs and improve efficiency.
Thermal Insulation: EPS has excellent thermal insulating properties, making it an ideal material for building insulation and protecting temperature-sensitive products during transportation.
Shock Absorption: Its ability to absorb impact makes EPS perfect for protective packaging, safeguarding fragile items from damage during shipping and handling.
Versatility: EPS can be easily cut, shaped, and molded into various forms, which allows for its use in a wide range of applications, from disposable food service products to complex architectural elements.
Cost-Effective: The production of EPS is relatively inexpensive compared to other materials with similar properties, making it a cost-effective solution for many uses.
Durability: Despite being lightweight, EPS is durable and resistant to moisture, making it suitable for both indoor and outdoor applications.
Recyclability: EPS is recyclable and can be repurposed into new products, contributing to sustainability efforts.
These advantages make Expanded Polystyrene a valuable material in various fields, including construction, packaging, crafts, and more.
Product Details
Here is a table summarizing the key parameters of Expanded Polystyrene (EPS):
| Parameter | Description | Unit | Range |
|---|---|---|---|
| Density | The mass per unit volume | lbs/ft³ or kg/m³ | 0.5 to 3 lbs/ft³ (0.016 to 0.48 kg/m³) |
| Flexural Modulus | Resistance to bending | psi or MPa | 50,000 to 1,000,000 psi (345 to 7,000 MPa) |
| Thickness | The dimension through which material extends | inches or mm | 1/2 inch to several feet (12.7 mm to hundreds of mm) |
| Thermal Conductivity | Ability to conduct heat | BTU·in/(h·ft²·°F) or W/(m·K) | Typically very low |
| Compressive Strength | Ability to withstand loads | psi or Pa | Varies depending on density and formulation |
| Water Absorption | Ability to absorb water | % | Low |
| Recyclability | Ability to be recycled | N/A | Yes |
| Chemical Resistance | Resistance to chemicals | N/A | Generally resistant to most chemicals |
| Moisture Resistance | Resistance to moisture | N/A | High |
| Fire Resistance | Resistance to fire | N/A | Requires treatment for improved resistance |
This table provides a comprehensive overview of the key properties and specifications of Expanded Polystyrene, making it easier to understand its suitability for various applications.
Product Gallery
The manufacturing process of Polystyrene was Expanded
Expanded Polystyrene (EPS) is produced through a series of manufacturing processes that involve the preparation of polystyrene beads, pre-expansion, aging, molding, and finishing. Here are the key steps involved in the production of EPS:
Polymerization
- Bead Formation: Styrene monomer is polymerized to form polystyrene, which is then suspended in water with a blowing agent (commonly pentane or butane), along with other additives such as fire retardants and plasticizers.
- Suspension Polymerization: The mixture is heated and stirred until the polystyrene beads harden. These beads are then filtered, washed, and dried to produce expandable polystyrene beads.
Pre-expansion
- Heating: The polystyrene beads are heated, usually with steam, allowing them to expand up to several times their original size. This step creates a cellular structure within each bead.
- Aging: After pre-expansion, the beads are left to age for a period, typically 24 hours, to stabilize their cellular structure and prepare them for final molding.
Molding
- Filling Molds: The aged, pre-expanded beads are filled into molds of the desired shape and size. These molds can be made from aluminum, steel, or other materials depending on the application.
- Final Expansion: The beads are subjected to steam or hot air at controlled temperatures (usually between 115°C to 120°C), causing them to fuse together and expand to fill the mold completely, forming the final EPS product.
Finishing
- Trimming: Once the EPS has cooled and solidified, it is removed from the mold and any excess material is trimmed away to achieve the final dimensions.
- Surface Treatment: Depending on the application, the surface of the EPS may be treated with coatings or adhesives to improve its properties or compatibility with other materials.
These processes ensure that EPS products have consistent quality and meet the specific requirements for thermal insulation, packaging, construction, and other applications.
TOPTAPE®-Expanded Polystyrene-06
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Transform your packaging into a lightweight powerhouse with our Expanded Polystyrene – the eco-friendly, shock-absorbing solution that keeps your products safe and sound.
Specifications
Density: has a density range of approximately 0.5 to 3 pounds per cubic foot (pcf)
Hardness: The flexural modulus of EPS typically ranges from about 50,000 to 1,000,000 pounds per square inch (psi)
Color: Can be black, gray, or any color depending on the additives used
Thickness: EPS sheets used for insulation and packaging purposes range from about 1/2 inch (12.7 millimeters) to 4 inches (101.6 millimeters) in thickness.
Packaging and delivery
Packaging Details: Protective packaging｜Boxes and cartons｜Pallets
Port: Shanghai
Supply Ability: 10000 Square Meters/Square Meters per Week
Place of Origin: China
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