Heat-cured epoxy coating is unaffected by organic solvents, salts, weak acids and weak alkalis.00Research or further manufacturing use only, not for food or drug use. Rack Dimensions (inches): 6 1/8 x 5 7/8 x 3 5/8 16 Places Holds 25-30mm Tubes Temperature range -223ºC (-369ºF) to 121ºC (250ºF) AutoclavableShipping Weight: 0.