Overview
EPS-35-3.3 is a type of expanded polystyrene foam characterized by its low density (35 kg/m³) and excellent thermal insulation properties. It is widely used in industries requiring lightweight, durable, and cost-effective materials for insulation and protective packaging. The material is produced by expanding polystyrene beads with steam, resulting in a closed-cell structure that provides superior thermal resistance and shock absorption. Its versatility makes it suitable for a range of applications, from construction to consumer goods packaging.
Physical and Chemical Properties
EPS-35-3.3 exhibits a density of approximately 35 kg/m³, making it one of the lighter insulation materials available. Its closed-cell structure ensures low thermal conductivity, typically around 0.033 W/m·K, which is ideal for energy-efficient applications. The material is chemically inert, resistant to moisture, and does not support microbial growth. However, it is flammable and should be handled with care around open flames or high temperatures. It is also soluble in organic solvents like acetone, which can be useful in certain manufacturing processes.
Main Applications
EPS-35-3.3 is extensively used in the packaging industry for protecting fragile items during shipping due to its shock-absorbing properties. It is also a popular choice in construction for insulating walls, roofs, and floors, contributing to energy efficiency in buildings. In industrial settings, EPS-35-3.3 is employed for manufacturing lightweight molds, floats, and even disposable food containers. Its ease of shaping and cost-effectiveness make it a preferred material for custom packaging solutions.
Safety and Storage
When handling EPS-35-3.3, it is important to avoid inhaling dust particles, which can irritate the respiratory system. The material should be stored in a cool, dry environment, away from direct sunlight and heat sources to prevent degradation. Due to its flammability, EPS-35-3.3 must be kept away from open flames and sparks. Proper ventilation is recommended during cutting or shaping to minimize dust accumulation. Disposal should follow local regulations, as EPS is not biodegradable and requires specialized recycling processes.
B2B Procurement Guide
When procuring EPS-35-3.3, businesses should prioritize suppliers with certifications such as ISO 9001 to ensure consistent quality. Key specifications to verify include density, thermal conductivity, and compressive strength, which vary depending on the intended application. Bulk purchases often attract discounts, but it’s advisable to request samples for testing before committing to large orders. Additionally, consider the supplier’s logistics capabilities, as EPS foam is bulky and may require specialized transportation to avoid damage.
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