Physical properties
| Properties | Test Methods | Direction | Unit | Value | ||||
|---|---|---|---|---|---|---|---|---|
| Q05 | Q15 | Q25 A25 G25 |
Q35 A35 |
B45 | ||||
| Density | ASTM D 3575 (Suffix W, Method B) |
N/A | kg/m3 (pcf) |
100 (6.2) |
70 (4.4) |
40 (2.5) |
35 (2.2) |
28 (1.7) |
| Compression set | ASTM D 3575, Suffix B | Vertical | % | 9 | 11 | 12 | 14 | 14 |
| Compressive creep | ASTM D 3575, Suffix BB @static stress※1x24hr |
Vertical | % | 2 | 2 | 2 | 2 | 2 |
| Compression deflection | ASTM D 3575, Suffix D @25% compression |
Average | kPa (psi) |
209 (30) |
120 (17) |
70 (10) |
57 (8) |
48 (7) |
| Thermal conductivity | ASTM D 3575, Suffix V, Method B (→ASTM C 518) @mean temp 24℃(75℉) |
Vertical | W/m・K ((BTU・in)/ (hr・ft2℉)) |
0.062 (0.43) |
0.056 (0.39) |
0.058 (0.40) |
0.062 (0.43) |
0.062 (0.43) |
| Buoyancy | ASTM D 3575, Suffix AA | N/A | kg/m3 (pcf) |
900 (56) |
925 (58) |
960 (60) |
965 (60) |
970 (61) |
| Tensile strength | ASTM D 3575, Suffix T (→ASTM D 412) |
Average (P & H) |
kPa (psi) |
592 (86) |
474 (69) |
348 (50) |
312 (45) |
291 (42) |
| Tensile elongation | ASTM D 3575, Suffix T (→ASTM D 412) |
Average (P & H) |
% | 39 | 61 | 62 | 63 | 59 |
| Tear strength | ASTM D 3575, Suffix G (→ASTM D 624) |
Average (P & H) |
N/mm (lb/in) |
4.4 (25) |
3.5 (20) |
2.5 (14) |
2.2 (13) |
2.1 (12) |
| Surface resistivity※2 | EIA 541; ASTM D 257 | Skin surface | Ω | - | - | 1×109～ 5×1011 |
1×109～ 5×1011 |
1×1010～ 5×1012 |
| Sliced surface | - | - | 5×109～ 1×1012 |
5×109～ 1×1012 |
1×1011～ 5×1013 |
|||
| Static decay rate※2 | EIA 514; US federal test standard 101C (Method 4046.1) |
Skin surface | sec | - | - | < 2 | < 2 | < 2 |
| Sliced surface | - | - | < 2 | < 2 | < 2 | |||
※1 Static stress: <05>19.6kPa (2.8psi), <15>14.7kPa (2.1psi), <25>9.8kPa (1.4psi), <35>6.9kPa (1.0psi), <45>6.2kPa (0.9psi)
※2 Vaule of anti-static type: <A25>, <A35>, <B45>
Note: All values shown in this table are given as typical laboratory averages, intended to serve only as approximate guides and not as specifications.