MFG TRAY'S new line of versatile utility, high-strength fiber-reinforced polymer composite metal parts wash-boxes whose composite material construction costs approximately 1/3 the cost of traditional stainless steel counterparts. Designed to handle heavy payloads (150 lbs. capacity), the stackable design wash-box's composition is engineered to withstand small-part washing system chemicals and provides continuous operation at temperatures at 350°F.