The Carbon Stick is a building material in Arknights.
Description
- A carbon stick used for the facility development of Rhodes Island.
- One of the necessary industrial materials, it can be used to produce a variety of polymers.
Usage
This stick of carbon is needed for the production of lightweight polymers for 
Light Building Material needed for the construction of Rhodes Island infrastructure facilities.
A single Carbon Stick is also worth 4 
.
Acquisition
Store
5 Carbon Sticks are sometimes available for purchase at the Credit Store for 160 
.
First clear reward
| Operation | Drop(s) |
|---|---|
 6 |
Regular drops
| Operation | Sanity | Drop(s) | Sanity per drop |
|---|---|---|---|
9 
|
|||
| 10
|
2 |
5
| |
| 15
|
4 |
3.75
| |
| 20
|
1 |
20
|
As seen on the table above, the best operation to farm Carbon Sticks is SK-2.
