No.
That's for a one shot synthesis boost.
The one meta alloy is to unlock Farseer as an engineer. a one time affair.
The materials and grades etc can be found here.
https://inara.cz/galaxy-blueprint/2/Materials is found all over the place.
In signal sources, dropped from npc's.
By scanning npc's cruise wakes etc etc.
As well as spelunking around planets.
Learning to use the SRV, cargo scoop and collection limpits will be your friend in this endeavour.
Unlike before you don't have to pick and choose what you collect you can simply grab everything until you fill up.
This will also give you stuff to trade with so you can exchange the bits you need for bits you don't.