The Polyester Pack is an upgrade material in Arknights.
Description
- A pack of polyester used in industrial production. Can be used for a variety of upgrades and for production in the Factory.
- After a series of processes, it meets the standards and general needs of most products on the market. It can also be used to process some special materials.
Usage
The third of Ester-type upgrade materials, these polymers derived from Polyester comes in greater quantities and have many uses, which includes Operator advanced skill upgrades and Mastery training, and the Elite 2 promotion of 4★ and 5★ Operators.
Acquisition
Store
- Up to 15 Polyester Packs can be purchased at the second tier of the Distinctions Store for 30
each. - Two Polyester Packs are available at the Headhunting Parametric Model Store for 35
.
Regular drops
| Operation | Sanity | Drop rate | Sanity per drop |
|---|---|---|---|
| 2-6 | 12 | Rare (~36%) | ~33 |
| 3-8 | 18 | Rare (~39%) | ~46 |
| 5-3 | 18 | Uncommon (~48%) | ~37 |
| 6-4 | 18 | Rare (~38%) | ~47 |
| 7-4 | 18 | Uncommon (~55%) | ~33 |
| 9-7 | 18 | Rare | – |
| SW-EV-5 | 18 | Uncommon | – |
| SV-5 | 15 | Rare | – |
| MN-7 | 18 | Common | – |
| BH-7 | 15 | Rare | – |
| WR-9 | 18 | Common | – |
| WD-6 | 18 | Uncommon | – |
| BI-7 | 18 | Common | – |
| TB-7 | 18 | Uncommon | – |
| DV-6 | 21 | Common | – |
| BW-7 | 21 | Uncommon | – |
| DC-7 | 21 | Uncommon | – |
Workshop
| Product | Material(s) | LMD | Morale | Requires |
|---|---|---|---|---|
 1 |
 4 |
200 | 2 | Level 2 Workshop |
See also
- Ester – T1 counterpart
- Polyester – T2 counterpart
- Polyester Lump – T4 counterpart