1. What is EPS?EPS is a lightweight cellular plastics material consisting of small sphericalshaped particles containing about 98% air. This microcellular closed cell construction provides EPS with excellent insulating and shock absorbing characteristics.

2. EPS properties1) Thermal Insulation:
EPS has exceptional insulation properties, with a thermal resistance (R value) of 1.31 per 50mm

of thickness for S class material, as defined by AS 1366 part 3: 1992. This makes it ideal for wall and underfloor insulation and external cladding of buildings. Because of its cellular structure EPS is dimensionally stable, and will not settle over time. EPS used and installed correctly does not deteriorate with age and as such is able to deliver constant R values for the life of the building.
The almost exclusive use of EPS as the insulation material for coolstores and freezers is testament to its insulation ability in the most demanding of all insulation applications. Equally, for the transport of chilled food such as fish, EPS is the ideal material for the boxes used in this application.
2) Shock Absorption:
EPS exhibits excellent shock absorbing characteristics making it the first choice for packaging of a wide range of products including appliances, electronic products, computers and chemicals. Its predictable characteristics enable packaging to be accurately designed to suit each product, and provide cost effective packaging.
3) Durability:
EPS is an inert, organic material, and therefore will not rot and is highly resistant to mildew. It provides no nutritive value to plants, animals, micro organisms or rodents.EPS will last the life of most buildings in which it is used, provided it does not suffer physical damage.
4) Moisture Resistance:
EPS is a closed cell material and does not readily absorb water, unless subjected to prolonged saturation. Even in this situation it maintains its shape, size, structure, physical appearance and approximately 85% of its insulation value. The ability of EPS to resist moisture is exemplified by its widespread use in fishing floats and marinas, involving exposure to water for prolonged periods of time.
5) Light Weight:
EPS is an extremely light weight material. Typically weighing between 12 and 30 kg per cubic metre, EPS has many advantages over other materials in packaging applications. Equally in building situations, this lightweight characteristic is a major advantage in providing structural design economies. Additionally, when shaped to provide intricate architectural features, it allows architects the freedom to create historical, innovative and economic enhancements to buildings while still meeting strength and earthquake codes.
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