Quoted from robertmee:

So let's break that down:
Aliphatic Hydrocarbons - That's a broad term that classifies many compounds, but most of which are 'enes'...IE, acetylene, ethylene, isooctane. What do these all have in common? Highly flammable solvents as are most hydrocarbons. But aliphatic hydrocarbons have been tested to be milder than aromatic hydrocarbons on plastics, so that's a good thing.
Kerosene - petroleum distillate. Right on the bottle. Kerosene will dissolve many plastics in a matter of a couple of weeks.
Amorphous Silica - Used as an Abrasive....That's where the cleaning benefit comes from coupled with the solvents. But certainly no wax.
Dimethlypolysiloxane - This is silicone. It was used to make silly putty. Now commonly used as a food additive for anti-foaming. A poor wax substitute, and as mentioned previously, don't want it on your playfield if you ever want to clear coat it in the future.
So, save yourself the cost of buying millwax. Just mix some kerosene, acytelene, sand and Pam cooking spray, and you're good to go