Silicone will not melt in boiling water since boiling water rarely gets to 500 F or above.
Silicone gloves and silicone tongs are safe to dip into boiling water and will not melt.
Silicone Tongs are also considered safe to use in hot oil that only reaches up to 500 F degrees.
Cooking oil that gets hotter than 500 F degrees can melt the silicone.
However most home cooking fryers only get the cooking oil to a temperature of less than 500 F degrees so it should be no problem using the silicone tongs in your cooking oil.
Silicone Tongs are safe to use for food and will not cause any harm when used.
The silicone Tongs are safe and use the same type of Silicone that are on baby bottle nipples and baby pacifiers as well.
I use silicone tongs all the time and it's never been an issue.
As long as you don't get the silicone tongs hot and melt the silicone tongs on the food then it should be just fine.
The silicone tongs are safe for up to 500 degrees before they start melting.
As long as you don't get the silicone tongs hotter than 500 degrees F then they should not melt.
It's not recommended to dip silicone tongs in hot oil and instead use metal tongs.