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As I am unable to draw a chart directly, I will provide you with a textual description of the chart.

The compatibility chart for the VITON O-ring seal should be as follows:

Material type, working temperature (℃), oil resistance, chemical resistance, suitable medium

Natural rubber (NR) ordinary type -40~120 ℃, medium oil resistance, alkali resistance, medium acid resistance, oxidant water resistance, hydrocarbon solvents, weak alkali and strong oxidant aqueous solution

Chloroprene rubber (CR) ordinary type -40~130 ℃ oil resistance, alkali resistance, good aging resistance, halogen resistance, salt spray resistance, and heat resistance. Water, hydrocarbon solvents, salt spray solutions, low concentration acid alkali aqueous solutions, steam, low-level alcohol and ester solvents

Butyl rubber (IIR) ordinary type has good aging resistance at -50~150 ℃, good heat resistance, low water absorption, good electrical insulation, good airtightness, oil resistance, poor acid and alkali resistance and oxidant performance. Water, hydrocarbon solvents, salt spray solutions, steam, low-grade alcohol and ester solvents, ester solvents such as ethyl acetate, and dilute acid and alkali solutions.

This chart shows the compatibility of VITON O-ring seals on several common materials. Based on this chart, you can choose suitable materials and types based on actual application scenarios and requirements. Please note that these data are for reference only and need to be evaluated based on specific circumstances in actual use.