... 170min40min95 Rockwell B maxHandling hot organic and fatty acids, boat rails and hardware and facades of buildings near the ocean ... , burner parts, refractory supports, retorts and oven linings, fans, tube hangers, baskets and trays to hold small parts; containers ... , burner parts, refractory supports, retorts and oven linings, fans, tube hangers, and baskets and trays to hold small parts. Chemical ...