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TABLE 1:
Physical properties of EPS, according to AS 1366, Part 3-1992
Physical
Property |
Unit
|
L
|
SL
|
S
|
M
|
H
|
VH
|
Test
Method
|
| Compressive at 10% deformation, min. |
kPa
|
50
|
70
|
85
|
105
|
135
|
165
|
AS 2498.3 |
| Cross-breaking strength, min. |
kPa
|
95
|
135
|
165
|
200
|
260
|
320
|
AS 2498.4 |
| Rate of water vapour transmission (max.) measured parallel to rise at 23°C |
ug/m2s
|
710
|
630
|
580
|
520
|
460
|
400
|
AS 2498.5 |
| Dimensional stability of length (max.) at 70°C dry condition 7 days |
percent |
1 |
1 |
1 |
1 |
1 |
1 |
AS 2498.6 |
| Thermal resistance (min.) at a mean temperature of 23°C (50mm sample) |
m2K/W |
1 |
1.13 |
1.17 |
1.2 |
1.25 |
1.28 |
AS/NZS 4859.1 |
Flame propogation characteristics:
- median flame duration, (max.)
- eighth value (max.)
- median volume retained
- eighth value (min.) |
SD
SD
percent
percent
|
2
3
15
12 |
2
3
18
15 |
2
3
22
19 |
2
3
30
27
|
2
3
40
37 |
2
3
50
47 |
AS 2122.1 |
|
1 W/m.K - 6.93 Btu in/ft2h. °F
|
RESISTANCE OF KOOLFOAM EPS TO CHEMICALS, SOLVENTS, ETC.
| Water, seawater, salt solutions |
+
|
| Lime, gypsum, Portland cement |
+
|
| Caustic soda, caustic potash, strong ammonia, liquid manure, lime wash |
+
|
| Soaps and solutions of wetting agents |
+
|
| Hydrochloric (to 35%), Nitric (to 50%), and Sulphuric (to 95%) acids |
+
|
| Dilute mineral acids and weak acids such as lactic acid, carbonic acid,
or humic acids in peaty soils |
+
|
| Solid salls, eg. wall saltpetre, artificial fertilizer |
+
|
| Bitumen |
+
|
| Bitumen omulsion |
+
|
| Fluxed or cut-back bitument |
-
|
| Tar and products based on tar |
-
|
| Milk |
+
|
| Liquid paraffin, cooking oils, petroleum jelly, fuel oil |
+ -
|
| Silicone oils and greases |
+
|
| Lower alcohols, eg. methylated spirit |
+
|
| Organic solvents, eg acetone, ethyl acetate, xylene, paint thinners, trichlorethylene,
carbon tetrachloride, turpentine |
-
|
| Saturated hydrocarbons, eg white spirit, kerosene |
-
|
| Gasoline |
-
|
| + |
Resistant over long periods |
| + - |
Limited resistance: the cellular material may shrink or suffer surface attack
after prolonged action |
| - |
Non-resistant: the cellular material rapidly collapses or dissolves |
|
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