Specific Gravity
Theoretical
Measured |
|
D1457 |
2.15
2.08 |
2.16
2.08 |
2.16
2.09 |
2.14
2.12 |
2.12
2.10 |
2.11
2.04 |
2.19
2.16 |
2.17
2.13 |
2.22
2.18 |
2.13
2.10 |
2.11
2.08 |
2.10
2.02 |
2.15
2.11 |
2.17
2.15 |
| Tensile Strength |
MD
CD |
psi |
D1457 |
2500
3300 |
2200
2900 |
1900
2600 |
3000
3600 |
2350
3000 |
1900
2300 |
2100
2700 |
2600
3400 |
2000
2500 |
2750
3450 |
1800
2200 |
1375
1800 |
2500
3000 |
2400
2900 |
| Elongation |
MD
CD |
% |
D1457 |
210
240 |
150
200 |
105
170 |
265
280 |
165
230 |
75
100 |
220
240 |
255
270 |
200
230 |
220
230 |
60
65 |
20
35 |
230
240 |
225
235 |
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
(Modified) |
12.0
12.5
5.8
6.6
20.0
21.0
13.0
13.6 |
10.0
10.5
5.3
6.0
18.0
18.6
11.5
12.0 |
8.4
8.5
4.8
4.9
16.6
17.0
10.2
10.7 |
12.5
12.8
6.0
6.8
20.5
21.3
13.5
14.0 |
8.6
8.8
4.0
4.3
14.6
15.4
8.1
9.2 |
6.7
7.0
3.1
3.6
12.4
13.0
6.7
7.6 |
9.3
12.0
4.8
6.5
17.4
19.8
11.3
13.9 |
9.9
12.6
5.3
6.6
19.3
20.3
13.5
14.2 |
8.5
11.8
4.9
7.6
16.2
18.3
11.0
13.1 |
10.4
11.0
5.0
6.3
17.8
18.1
12.4
12.8 |
6.0
6.3
2.5
2.9
10.2
10.6
5.2
5.6 |
5.5
5.8
2.1
2.6
9.2
9.6
4.6
5.0 |
10.7
12.3
5.0
6.6
16.7
19.6
11.0
12.9 |
8.7
9.2
4.6
5.1
16.1
17.0
9.6
9.9 |
| Flexural Strength
1% Strain
3% Strain |
psi |
D790 |
850
1750 |
900
1800 |
950
1850 |
825
1800 |
1100
2100 |
1175
2300 |
875
1700 |
875
1700 |
1050
1850 |
950
2000 |
1375
2350 |
1425
2400 |
1050
2150 |
1175
2300 |
| Flexural Modulus (x
105) |
psi |
D790 |
1.2 |
1.25 |
1.25 |
1.05 |
1.40 |
1.60 |
1.40 |
1.15 |
1.55 |
1.30 |
1.60 |
180 |
1.40 |
1.35 |
Compressive Strength 0.2%
offset
1% Strain
5% Strain
|
MD
CD
MD
CD
MD
CD |
psi |
D695 |
1300
1350
700
750
1950
2050 |
1450
1525
750
875
2050
2200 |
1600
1700
800
1000
2150
2350 |
1400
1500
700
800
2000
2200 |
1550
1650
800
900
2250
2450 |
1700
1800
900
1000
2550
2750 |
1450
140
800
750
2050
2000 |
1350
1350
750
750
1950
1950 |
1600
1650
900
850
2250
2200 |
1300
1350
700
750
1950
2050 |
1650
1700
850
900
2500
2550 |
1800
1825
900
1000
2700
2750 |
1500
1450
800
750
2100
2100 |
1500
1550
700
750
2000
2100 |
Compressive Modulus
(x 104) |
MD
CD |
psi |
D695 |
6.8
7.6 |
7.1
7.9 |
7.4
8.2 |
7.4
8.0 |
8.0
9.0 |
8.7
10.0 |
7.7
7.3 |
7.5
7.0 |
9.2
9.0 |
6.5
7.4 |
8.3
9.6 |
9.5
10.8 |
7.2
6.8 |
6.6
7.0 |
Hardness - Shore D Initial
15 Secs |
MD
CD
MD
CD |
Shore D |
D785 |
62
57
61
56 |
63
59
62
58 |
64
60
63
59 |
60
55
59
53 |
64
59
63
58 |
65
61
64
60 |
62
57
61
56 |
61
56
60
55 |
63
58
62
57 |
62
57
61
56 |
64
60
63
59 |
66
62
65
61 |
62
57
61
56 |
64
59
65
60 |
Coef. of Thermal Exp.(x 10-5)
78° to 200°F
300°F
400°F
500°F |
MD
CD
MD
CD
MD
CD
MD
CD |
in/in/F |
D696 |
8.3
6.7
8.5
6.8
9.2
7.1
10.0
7.7 |
7.8
5.8
8.0
5.9
9.1
6.2
9.9
6.8 |
7.2
4.8
7.5
5.0
8.9
5.3
9.8
6.0 |
7.6
6.1
7.8
6.4
8.2
6.9
9.2
8.0 |
6.5
4.7
6.7
5.2
7.2
5.7
8.3
7.8 |
5.8
4.5
6.0
4.7
6.5
5.1
8.0
7.2 |
6.8
4.7
7.1
4.9
7.5
5.1
8.5
6.0 |
7.1
5.8
7.3
6.0
7.7
6.5
9.0
7.5 |
6.6
4.5
6.9
4.6
7.3
4.8
8.5
5.5 |
6.5
6.3
6.7
6.5
7.4
6.8
8.4
7.6 |
6.0
4.7
6.3
4.9
7.0
5.3
8.6
6.2 |
4.6
4.0
5.2
4.3
6.0
4.6
7.5
5.4 |
6.9
5.2
7.1
5.5
7.6
6.0
8.7
6.8 |
6.6
4.8
6.8
5.3
7.3
5.8
8.4
6.6 |
| Thermal Conductivity |
BTU/hr/
sq.ft./F/in |
Cenco Fitch |
3.9 |
4.8 |
5.9 |
3.1 |
4.3 |
4.5 |
4.7 |
2.8 |
3.8 |
3.3 |
5.0 |
6.3 |
4.0 |
4.2 |
Limiting PV 10
fpm
100 fpm
1000 fpm |
LPN Std. |
LPN Std. |
12,500(2)
15,000(3)
13,000(3) |
12,500(2)
15,000(3)
13,000(3) |
15,000(3)
22,500(3)
13,000(3) |
15,000(2)
15,000(3)
8,000(3) |
15,000(2)
15,000(3)
8,000(3) |
15,000(2)
17,500(3)
10,500(3) |
10,000(2)
20,000(3)
13,000(3) |
10,000(2)
10,500(3)
13,000(3) |
12,500(2)
13,000(3)
13,500(3) |
12,500(2)
15,500(3)
10,500(3) |
15,000(2)
20,000(3)
12,500(3) |
15,000(2)
20,000(3)
12,500(3) |
10,000(2)
10,500(3)
13,000(3) |
10,000(2)
17,500(3)
13,000(3) |
Wear Factor (K) x
10-10 Equilibrium |
in3-min.
lb-ft-hr |
LPN Std. |
44 |
30 |
11 |
90 |
10 |
8 |
8 |
9 |
6 |
12 |
6 |
10 |
7 |
8 |
Coefficient of friction
Static @ 33.33 psi
Dynamic @ 33.33 psi, 1509 fpm |
|
LPN Std. |
0.05
0.07 |
0.05
0.07 |
0.06
0.08 |
0.05
0.06 |
0.07
0.08 |
0.09
0.11 |
0.06
0.11 |
0.05
0.09 |
0.07
0.012 |
0.06
0.07 |
0.08
0.09 |
0.13
0.16 |
0.05
0.07 |
0.06
0.11 |
Compression Ratio
Bulk Density |
gr/l |
LPN Std. |
6.1
300 |
6.1
310 |
6.2
320 |
6.0
290 |
6.0
285 |
5.9
280 |
6.2
330 |
6.1
310 |
6.3
345 |
6.0
290 |
6.0
285 |
5.9
280 |
6.2
320 |
6.1
31 |
| Mold Shrinkage, typical |
L
W |
in/in |
LPN Std. |
0.034
0.030 |
0.030
0.027 |
0.025
0.023 |
0.035
0.030 |
0.028
0.026 |
0.023
0.021 |
0.022
0.020 |
0.029
0.025 |
0.021
0.019 |
0.033
0.029 |
0.020
0.019 |
0.021
0.018 |
0.032
0.030 |
0.028
0.026 |