|
| |
| Average Physical
Properties of R-Cast® Material |
| Physical Property |
Test Criteria |
English Units |
SI Units |
|
Physical Property |
Test Criteria |
English Units |
SI Units |
| Mechanical |
ASTM |
|
|
|
Thermal |
|
|
|
| Specific Gravity |
D-792 |
1.19 |
1.19 |
|
Thermal
Expansion |
|
|
|
| Tensile Strength |
|
|
|
|
-22° F to 60° F |
D-696 |
3.0(in/in°Fx10-5) |
54(mM/MM°C) |
| (a)Ultimate Strength |
D-638 |
10,500 PSI |
72.4 Mpa |
|
-22°F to 80°F |
D-696 |
3.2(in/in°Fx10-5) |
57.6(mM/MM°C) |
| (b) Elongation at
Break |
D-638 |
4.0% |
4.0% |
|
-22°F to 100°F |
D-696 |
3.7(in/in°Fx10-5) |
57.6(mM/MM°C) |
| (c)Modulus of
Elasticity |
D-638 |
480,000 PSI |
3.01Gpa |
|
Deflection Temp of
Plastics Under Flexure |
D-648 |
210°F |
99°C |
| Ultimate Flexure
Strength |
D-790 |
16,000 PSI |
110.3 MPa |
|
Optical Properties |
|
|
|
| Compressive Yield
Strength |
D-695 |
17,500 PSI |
120.7 MPa |
|
Refractive Index |
D-542 |
1.49 |
1.49 |
| Compressive Modulus |
D-695 |
480,000 PSI |
3.01 GPa |
|
U.V. Light
Transmittance
(290-330nm) |
E-308 |
1% |
1% |
Compressive
deformation under load
(4,000 Lbs/in-122°F-24 hrs) |
D-621 |
0.45% |
0.45% |
|
Luminous Transmittance |
D-1003 |
91.0% |
91.0% |
| Shear, Ultimate
Strength |
D-732 |
10,000 PSI |
68.9 Mpa |
|
Visual Clarity |
D-702 |
Passed |
Passed |
| IZOD Impact Strength |
D-256 |
.32 FT lb/in |
17.1J/m |
|
Other
R-Cast® material is crossed-linked and UVA stabilized unless otherwise
requested |
| Rockwell "M"
Hardness |
D-785 |
103 "M" |
103 "M" |
|
| Water Absorption (24
hr) |
D-570 |
0.11% |
0.11% |
|
| |
|
