This Chemical Resistance Chart is intended as a guide to the materials which may be appropriate various conveyants. The Indicated Extend of Resistance refers to the material such. This information is presented as a general guide only. It represents the effects of a given chemical on PTFE and various materials. It is not intended to establish absolute compatibility with GAYTRI Convoflex Metallic hoses, PTFE hoses product, in cases where the choice of material, Is in any doubt whatever, we suggest that our technical department is called into advise.