What am I?

[steve.ledger]

Yes it is expensive stuff, but is does go a long way. The CPU die should only have the thinnest coating, using more TP doesn't result in better cooling.
I easily get up to 6 applications from a single tube.

Here's a screen-shot of what I pay 'dealer' prices for the various types.
So add 10% GST and a fair markup for retail pricing