Keton Colloid
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Keton Colloid is an upgrade material in Arknights.
Item description
A large amount of industrial organic compound. Can be used for a variety of upgrades and the synthesis of Polymerization Preparation.
A large amount of unstable Keton preparation. As one of the advanced industrial materials, it is closely monitored by our Engineer Operators. Please be careful when handling.
Usage
The fourth of the Keton-type upgrade materials, this advanced chemical compound is used for many Operators' skill Specialization training and the Elite 2 promotion of 5★ and 6★ Operators.
Its chemical bonding properties also makes the Keton Colloid one of the materials essential for the synthesis of Polymerization Preparation.
How to obtain
Store
Keton Colloids are available in:
- Distinctions Store (sometimes) for 15
. - Headhunting Parametric Model Store for 85
.
Special drops
For the sake of convenience, only operations which have been released in the Global server are listed in the table below.
| Operation | Sanity | Drop rate |
|---|---|---|
| 4-5 | 18 | Very Rare (~3%) |
| 5-8 | 18 | Very Rare (~3%) |
| S9-1 | 18 | Very Rare |
| 12-4 | 21 | Very Rare |
| 12-20 | 24 | Very Rare |
| 13-4 | 21 | Very Rare |
| 14-16 | 21 | Very Rare |
Workshop
| Product | Material | LMD | Morale | Requires |
|---|---|---|---|---|
 1 |
 2  1  1 |
300 | 4 | Level 3 Workshop |