Styrobeck » Insulation

By: Styrobeck Plastics  06-Dec-2011

Styrobeck » Insulation

Polystyrene (EPS) is a lightweight organic cellular plastic insulation material . This microcellular closed cell construction provides EPS with excellent insulating and shock absorbing characteristics with a  high strength to weight ratio. Sheet EPS is cut from a primary block measuring 5.025m x 1.225m x .525m thick. EPS is an inert, organic material that will not rot. EPS is dimensionally stable after kiln drying and will not shrink or sag over time. EPS will last the life of buildings without physical damage. It has been used throughout the world for over 50 years.

For our standard sheet size we offer 2500 x 1200 x thickness required. An option of 2400 x 1200 x thickness, or any length of sheet, can be supplied up to 5 metres (5000mm)

Properties of Various Classes of EPS. AS1366. Part3,1992.
Density. kg/cu.m. 12 15 20 24 28
Compressive Stress at 10% deformation. (min.) Kpa 70 85 105 135 165 AS 2498.3
Cross-breaking strength. (min.) Kpa 135 165 200 260 320 AS 2498.4
Rate of water vapour transmission (max) measured to rise at 23° c. mg/m2s 630 580 520 460 400 AS 2498.6
Dimensional stability of lgth, width, th.(max) at 70’c dry condition.7 days % 1 1 1 1 1 AS 2464.5
m2.K/w 1.25 1.32 1.35 1.39 1.42 AS 2122.1
Flame Propagation Characteristics: s 2 2 2 2 2
Medium flame duration. (max.) s 3 3 3 3 3
Eighth value. (max.) % 18 22 30 40 50
Median volume retained. % 15 19 27 37 47
Eighth value. (min.)

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