Sauna General Motors engineers use airtight enclosures to test fuel tank vent emissions. Cars are driven on a chassis dynamometer for warming up then pushed into the hot soak enclosures. Fuel vapors are measured outside the test cell
Equipment A dryer, a calciner, and a cooler engineered and built by Standard Steel are being installed at Southern Clay's Paris, Tenn., plant. The equipment is part of a half-million-dollar expansion that will triple capacity there
Molds Low-cost flexible molds for making urethane furniture panels with a woodlike grain give molded parts with greater stiffness and thickness without added weight. Union Carbide makes the polystyrene and urethane foam materials
76 C&EN OCT. 21, 1968
NEWS FOCUS
Heaters Three quartz-enveloped heaters directed at a tray of silicon wafers dry them in five minutes. Transitron Electronics Corp. uses Sylvania Electric Products' Serpentine air heater to cut drying time of silicon wafer circuits 8 0 %
Foam Precision-cut pieces of Uniroyal's reticulated polyurethane foam (wrapped) are placed next to the fuel cells they fill in the Cessna A-37 attack jet. Foam acts as an explosive suppressant even when an incendiary hits the tank
