SRD 65
PRODUCT DESCRIPTION:
SRD 65 is a medium viscosity, economical and easy to
handle two component urethane compound. This system cures relatively fast at
room temperature producing tough, impact resistant castings. SRD 65 is
recommended in applications where a resilient surface hardness is desired while
maintaining good flexibility.
PHYSICAL
PROPERTIES
| Hardness, ASTM D-2240 |
65 |
| Specific Gravity, ASTM D-792 cured |
1.15 |
| Displacement (cu.in./lb) |
24 |
| Elongation(%) ASTM D-638 |
70 |
| Tensile Strength (at Break) psi, ASTM D-638 |
2475 |
| Tensile Modulus, (psi) ASTM D-638 |
45,000 |
| Tear Strength (pli) ASTM D-624 |
585 |
| Linear Shrinkage (in./in.) |
0.002 |
| (16" length X 1/2" thickness) |
0.0035 |
HANDLING PROPERTIES
| Mixed Viscosity (Brookfield) @ 750F (cps) |
1400 |
| Work Life @ 770F(250C), 1 lb.mass |
10 minutes |
| Demold Time 770F(250C) |
3 hour minimum, 1/2" thick sections 2 hour or
less in mass cast |
| Cure @ 770F(250C) |
3 days |
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