The following chart will assist in selecting what base material to specify for trench drain systems. The combination of temperature, chemicals and chemical concentration determines resistance of channel material to the applications.

Y - Indicates the material is resistant to the particular chemical.

N - Indicates the material is insufficiently resistant to the particular chemical and its use is not recommended.

“-” - Indicates this particular chemical has not been tested and no recommendation is being made for it.

F - Temperature is rated for maximum exposure in Fahrenheit.

**Chem-Calk 900 approved for channel joint sealant.
Channel Joint Sealing Requirements