About 98 of expanded polystyrene is air.
Expanded polystyrene insulation properties.
Therefore it is one of the lightest packaging material.
Unique properties of eps make it the ideal sustainable insulating material for many applications.
A versatile building material it works well for a variety of different applications such as road construction bridge abutments slope stabilization building foundations retaining walls stadium and theatre seating fill for.
Foamex polystyrene building products make a major contribution to the quality.
Astm c578 standard specification for rigid cellular polystyrene thermal insulation addresses the physical properties and performance characteristics of eps foam as it relates to thermal insulation in construction applications.
Polystyrene is a colorless transparent thermoplastic which is commonly used to make foam board or beadboard insulation and a type of loose fill insulation consisting of small.
This makes the transport costs minimum.
Expanded polystyrene is widely used in building and construction as its inherent strength durability and thermal insulation properties make it an ideal choice for energy efficient buildings.
Carl munters and john gudbrand tandberg of sweden received a us patent for polystyrene foam as an insulation product in 1935 usa patent number 2 023 204.
Ps foams also exhibit good damping properties therefore it is used widely in packaging.
The most favourable properties of this polymer material include excellent thermal insulation damping properties and extreme lightweight.
Insulation for buildings coldrooms pipes and vessels sagex has more than 50 years experience in the manufacture of eps and introduced the product into the south african market.
The expanded version of polystyrene is about forty times the volume of the original polystyrene granule.
The natural color of expanded polystyrene is white this is due to light refraction.
The graphs below show the values achieved on these properties depending on the apparent density of expanded polystyrene materials.
Uses of polystyrene polystyrene foams are used for a variety of applications because of its excellent set of properties including good thermal insulation good damping properties and being extremely light weight.
Generally polystyrene is a synthetic aromatic polymer made from the monomer styrene which is derived from benzene and ethylene both petroleum products polystyrene can be solid or foamed.
Grey polystyrene foam incorporating graphite has superior insulation properties.
It provides an overview of the facts on fire safe constructions using eps building products.
The purpose of this document is to clarify the performance of expanded polystyrene foam eps when used as insulation material.
Expanded polystyrene or eps geofoam is a cost efficient insulation material used in the construction industry.
Expanded polystyrene eps.