Specific Gravity
Theoretical
Measured |
gr / cc |
D1457-62 |
2.17
2.14 |
2.19
2.16 |
2.21
2.19 |
2.23
2.21 |
2.24
2.22 |
2.25
2.21 |
2.27
2.22 |
2.51
2.47 |
2.25
2.21 |
2.35
2.30 |
| Tensile Strength |
MD
CD |
psi |
D1457-62 |
2900
3700 |
2600
3400 |
2500
3100 |
2400
2900 |
210
2700 |
1900
2300 |
2100
2800 |
1350
2400 |
2000
2600 |
1850
2550 |
| Elongation
|
MD
CD |
% |
D1457-62 |
320
320 |
315
310 |
300
290 |
280
270 |
270
250 |
250
230 |
250
265 |
60
70 |
240
245 |
230
240 |
Deformation 78°F,
2000 psi, 24 hrs.
Total Def.
Perm Def.
500°F, 600 psi, 24 hrs.
Total Def.
Permanent |
MD
CD
MD
CD
MD
CD
MD
CD |
% |
D621-59
(Modified) |
12.6
15.1
6.5
8.9
23.1
25.2
15.0
17.1 |
11.9
14.8
6.1
8.6
22.3
25.0
14.5
16.8 |
11.0
14.3
5.8
8.3
21.5
24.8
14.0
16.5 |
10.2
14.0
5.3
8.0
20.8
24.4
13.5
16.2 |
9.5
13.6
5.0
7.8
20.0
24.0
13.2
16.0 |
8.6
13.0
4.7
7.5
19.2
23.7
12.8
15.6 |
4.1
7.4
2.7
3.4
16.3
20.1
11.6
13.4 |
4.0
4.4
1.8
1.9
11.3
13.6
5.2
7.0 |
4.0
8.2
3.5
4.2
14.7
19.0
9.8
11.9 |
4.0
8.5
3.7
4.6
15.0
19.2
10.3
13.0 |
| Flexural Strength
1% Strain
3% Strain |
MD
CD |
psi |
D790-59T |
1125
1900 |
1175
1975 |
1225
2025 |
1250
2025 |
1275(*)
1950 |
1200(*)
1750 |
1170
2050 |
1550
2425 |
1350
2235 |
1350
2250 |
| Flexural Modulus(x105) |
CD |
psi |
D790-59T |
1.20 |
1.35 |
1.55 |
1.70 |
1.90(*) |
1.90(*) |
1.32 |
2.10 |
1.72 |
1.53 |
| Compressive Strength
0.2% offset
1% Strain
5% Strain
Modulus 104 |
MD
CD
MD
CD
MD
CD
MD
CD |
psi |
D695-54 |
1320
1150
860
810
2010
1860
8.7
8.3 |
1360
1170
900
840
2060
1890
9.4
8.8 |
1390
1200
930
880
2120
1920
10.0
9.4 |
1430
1220
970
910
2150
1960
10.6
9.8 |
14.6
1240
1000
950
2200
1990
11.2
10.3 |
1500
1270
1040
980
2240
2020
11.9
10.9 |
1540
1460
1020
990
2260
2180
10.2
10.1 |
1600
1850
1075
1350
2625
2920
10.7
14.1 |
1740
1660
1190
1160
2740
2570
12.0
11.8 |
1630
1610
1160
1170
2650
2600
11.8
12.0 |
| Hardness - Shore D
Initial
15 Secs |
MD
CD
MD
CD |
Shore D |
D785-62 |
58
59
54
55 |
59
60
55
55 |
60
61
55
56 |
61
62
56
57 |
62
63
57
57 |
63
64
57
58 |
56
62
53
56 |
67
69
62
64 |
64
65
58
60 |
62
66
56
62 |
Coef. of Thermal Exp.(x
10-5)
78° to 200°F
300°F
400°F
500°F
78° to 200°F
300°F
400°F
500°F |
MD
CD |
in/in/F |
D696-44 |
7.3
7.4
7.7
8.6
6.0
6.1
6.6
7.5 |
6.8
7.0
7.3
8.5
5.5
5.8
6.3
7.2 |
6.7
6.9
7.3
8.4
5.0
5.3
5.7
6.5 |
6.5
6.8
7.2
8.3
4.5
4.7
5.0
5.9 |
6.4
6.7
7.1
8.2
4.1
4.3
4.5
5.2 |
6.3
6.6
7.0
8.1
3.8
3.9
4.2
4.8 |
6.5
6.8
7.2
8.4
4.6
4.8
5.2
5.8 |
5.4
5.6
6.0
6.9
2.9
3.0
3.2
3.8 |
6.4
6.7
7.1
8.2
3.9
4.3
5.2
5.4 |
6.1
6.4
6.8
7.8
3.7
3.9
4.3
5.1 |
| Thermal Conductivity |
BTU/hr/
sq.ft./F/in |
Cenco Fitch |
2.1 |
2.4 |
2.7 |
2.9 |
3.1 |
3.3 |
3.2 |
4.1 |
3.4 |
3.6 |
Limiting PV
10 fpm
100 fpm
1000 fpm
|
psi x ft / min |
LPN Std. |
7,500 CF(1)
10,000 CF
12,500 T(2)
|
7,500 CF
10,000 CF
12,500 T |
8,500 CF
10,000 CF
12,000 T |
10,000 CF
10,500 T
13,000 T |
10,000 CF
10,500 T
13,000 T |
10,000 CF
10,000 T
13,000 T |
12,500 CF
12,500 CF
13,000 T |
15,000 CF
15,000 T
15,000 T |
12,500 CF
12,500 CF
13,500 T |
12,500 CF
15,500 T
15,500 T |
Wear Factor
(K) x 10-10
Equilibrium |
in3-min
lb-ft-hr |
LPN Std. |
8 |
7 |
7 |
6 |
6 |
7 |
6 |
8 |
6 |
6 |
Coefficient of friction
Static @ 33.33 psi
Dynamic @ 33.33 psi 150 fpm |
|
LPN Std. |
0.04
0.06 |
0.04
0.07 |
0.05
0.09 |
0.06
0.11 |
0.07
0.12 |
0.08
0.14 |
0.04
0.06 |
0.09
0.15 |
0.05
0.10 |
0.06
0.09 |
Compression Ratio
Bulk Density |
gr / l |
LPN Std. |
7.2
300 |
7.0
325 |
6.9
350 |
6.8
370 |
6.6
385 |
6.5
400 |
6.7
370 |
5.6
400 |
6.6
385 |
6.7
370 |
Mold
Shrinkage, typical
|
L
W |
% |
LPN Std.
|
.040
.034 |
.035
.031 |
.030
.028 |
.026
.024 |
.023
.021 |
.018
0.16 |
.026
.025 |
.013
.009 |
.021
.020 |
.023
.022 |
