Hydex® 202 is a totally rigid polyurethane resin that exhibits a broad range of chemical resistance, as well as superior impact and excellent mechanical properties. It can be used for any mechanical application that requires a combination of toughness, dimensional stability and chemical resistance. It has an ability to withstand chemical attack in a PH range from 2 to 14.
| Properties | Condition | Value | Test Method | ||
|---|---|---|---|---|---|
| Mechanical | Modulus of elasticity (tensile test) | @ 73°F | 240,000 | psi | ASTM D 638 |
| Tensile strength at yield | @ 73°F | 9000 | psi | ASTM D 638 | |
| Tensile strength at break | @ 73°F | 8000 | psi | ASTM D 638 | |
| Elongation at yield | @ 73°F | 9 | % | ASTM D 638 | |
| Elongation at break | @ 73°F | 80 | % | ASTM D 638 | |
| Flexural strength | @ 73°F | 12,000 | psi | ASTM D 790 | |
| Modulus of elasticity (flexural test) | @ 73°F | 280,000 | psi | ASTM D 790 | |
| Impact strength (Izod) | @ 73°F | 10 | ft-lbs/in | ASTM D 256 | |
| Coefficient of friction | Static (vs. steel) | 0.26 | ASTM D 3702 | ||
| Coefficient of friction | Dynamic (vs. steel) | 0.22 | ASTM D 3702 | ||
| Thermal | Vicat softening point | 262 | °F | ASTM D 1525 | |
| Deflection temperature | @ 66 psi | 290 | °F | ASTM D 648 | |
| Deflection temperature | @ 264 psi | 280 | °F | ASTM D 648 | |
| Service temperature | 280 | °F | |||
| Thermal expansion (CLTE) | 3.7*105 | in/in/°F | ASTM D 696 | ||
| Other | Moisture absorption | @ 24 hrs, 73°F | 0.21 | % | ASTM D 570 |
Hydex® 301
Hydex® 301 is clear totally rigid polyurethane resin. It combines excellent clarity when polished with a broad range of chemical resistance and outstanding practical toughness.
| Properties | Condition | Value | Test Method | ||
|---|---|---|---|---|---|
| Mechanical | Modulus of elasticity (tensile test) | @ 73°F | 310,000 | psi | ASTM D 638 |
| Tensile strength at yield | @ 73°F | 10,000 | psi | ASTM D 638 | |
| Tensile strength at break | @ 73°F | 9,000 | psi | ASTM D 638 | |
| Elongation at yield | @ 73°F | 7 | % | ASTM D 638 | |
| Elongation at break | @ 73°F | 140 | % | ASTM D 638 | |
| Flexural strength | @ 73°F | 14,000 | psi | ASTM D 790 | |
| Modulus of elasticity (flexural test) | @ 73°F | 340,000 | psi | ASTM D 790 | |
| Impact strength (Izod) | @ 73°F | 2.4 | ft-lbs/in | ASTM D 256 | |
| Coefficient of friction | Static (vs. steel) | 0.22 | ASTM D 3702 | ||
| Coefficient of friction | Dynamic (vs. steel) | 0.21 | ASTM D 3702 | ||
| Thermal | Vicat softening point | 228 | °F | ASTM D 1525 | |
| Deflection temperature | @ 66 psi | 220 | °F | ASTM D 648 | |
| Deflection temperature | @ 264 psi | 170 | °F | ASTM D 648 | |
| Thermal expansion (CLTE) | 3.4*105 | in/in/°F | ASTM D 696 | ||
| Other | Moisture absorption | @ 24 hrs, 73°F | 0.19 | % | ASTM D 570 |
