In any condition …
An impo r tant aspec t being relevant to the correct approach to be kept aimed to the best castor’s choice is the detailed knowledge of the environment in which the system to be moved will be located. Precise and accurate definitions of thechemical agents being present at the work areas, of the possible interactions among these, of the materials which castors are made from and the changeability of physical factors as humidity and temperature will enable to define the best possible solutions about the polymeric mixtures being used for the castors manufacturing.
This way and in phase of planning choice, it will be possible to head casual and untimely damages concerning corrosion, degradation and load resistance losses off.
The table here aside can represent a valid working tool and can be used as your first approach guide.
The table found at this link is a valuable business tool and is to be used as guide first approach.