What is the maximum cold holding temperature allowed for sliced eggs salad sandwich

You should keep that food around 33-35c

The maximum temperature for slices of egg sandwich salad is 4 ° C (277.15 Kelvin). The minimum temperature is 2 ° C (275.15 Kelvin), that is, between those degrees; 2 ° C (275.15 Kelvin), 4 ° C (277.15 ° Kelvin) can be stored at 80-85% humidity for two to three weeks.

2 ° Celsius = 35.6 ° Fahrenheit

4 ° Celsius = 39.2 ° Fahrenheit