Polystyrene Marsh Plastics Inc 4043 Maple Rd, Amherst NY 14226 716/834-6500 fax 716/834-0306
| Property | Test Methods | High Impact | General Purpose | |
| Density, gms/cc | D 792 | 1.04 | 1.04 | |
| Melt Flow g/10min | D 1238 | 6.0-8.0 | 6.0-10.0 | |
| Notched Izod Impact, ft-lb/in 1/8" bar | D 790 | 1.8-2.0 | .3-.4 | |
| Processing Temp | 375o-500oF | 375o-500oF | ||
| Mold Shrinkage, in/in | D 955 | .002-.008 | .002-.008 | |