SRD 50
PRODUCT HIGHLIGHTS:
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Exceptionally tough, abrasion resistant, high impact
material.
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Safe-contains no TDI, MDI, MDA, OR MOCA.
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Easy to handle.
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Room temperature mixing and curing.
PRODUCT DESCRIPTION:
SRD 50 is a two component urethane casting compound that
is specifically formulated for high abrasion and impact resistance. It is
recommended for use in the casting of highly wear-resistant parts and linings.
This product is a safe, easy-to-handle, room temperature mixing and curing
system that does not contain TDI, MDI, MDA, or MOCA. SRD 50 is relatively
insenstive to typical environmental moisture and will make good void-free parts.
Because of this product's exceptional toughness and abrasion resistance, casting
made with TC-8750 A/B are particularly suitable for mining and mineral process
industries.
TYPICAL PRODUCT USES:
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Abrasion-resistant parts and lining
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Foundary patterns and core box liners
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Roller facings and casters
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Potting and encapsulation
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Cutting table tops
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Metal forming die facings
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Troughs, chutes and other equipment contacting any
abrasive materials
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Machinery base pads and gears
PHYSICAL
PROPERTIES
| Hardness |
50±2 |
| Specific Gravity (gm/cc) cured |
1.13 |
| Displacement (cu.in./lb) |
23.5 |
| Color |
Amber |
| Tensile Strength (psi) ASTM D-412 |
3,000 |
| Tear Strength (pli) ASTM D-624 |
600 |
| Elongation(%) ASTM D-624 |
450 |
| Tensile Modulus(psi) |
36,000 |
| Shrinkage (in./in.) |
0.002 |
| Flexural Strength (psi) ASTM D-790 |
970 |
| Flexural Modulus (psi) ASTM D-790 |
25,160 |
HANDLING PROPERTIES
| Mixed Viscosity (cps) @ 750F(240C) |
4,000±500 |
| Work Life @ 750F(240C) |
15 minutes |
| Demold Time |
4-6 hours at ambient temperature; can be reduced to 2-3
hours with moderetely elevated material and /or mold temperatures. |
| Cure Schedule |
3 to 5 days at ambient temperatures or 16 hours 1500F-1600F(660C-820C)
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