RS-3665 – RIGID POLYURETHANE
RS-3665 IS A FLAME RETARDANT RIGID URETHANE MATERIAL THAT HAS THE LOOK AND FEEL OF A THERMOPLASTIC MATERIAL, BUT CAN BE CAST INTO THIN AND THICKWALL PARTS. THIS MATERIAL OFFERS GOOD MECHANICAL PROPERTIES, AS WELL AS MEETS UL94-V-0 FLAMMABILITY REQUIREMENTS. THIS MATERIAL CAN BE PIGMENTED TO ANY COLOR REQUIRED.
TYPICAL CURED PROPERTIES
| DESCRIPTION | ASTM TEST METHOD |
|
| COLOR | HAZY CLEAR | |
| HARDNESS – SHORE – D | D-2240 | 80/85 |
| SPECIFIC GRAVITY | 1.20 | |
| DENSITY | .040 LB/IN3 | |
| TENSILE STRENGTH | D412 | 8000 PSI |
| ELONGATION | D412 | 9% |
| FLEXURAL MODULUS | D790 | 250,000 PSI |
| FLEXURAL STRENGTH | D790 | 9000 PSI |
| NOTCHED IZOD IMPACT STRENGTH |
D265 | .57 FT LB/IN |
| FLAMMABILITY | UL | UL94-V-0 |
| HEAT DISTORTION TEMP |
D648 | 55 oC |
| 1-9-95 | ||
