---
title: "Polyester Lump Drop Rates (CN server)"
description: "Polyester Lump drop rates on the CN server: 14-9 4.77% (7,339 samples), 14-9 4.76% (11,493), 12-18 4.31% (10,182); 16 stages in total. Updated 2026-10-24. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: CN
item_id: "30034"
as_of: 2026-10-23T18:51:03Z
time_zone: UTC+8
rows: 16
rows_total: 16
canonical: "https://penguin-stats.io/en/result/cn/item/30034"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=CN&itemFilter=30034&show_closed_zones=true"
license: CC BY-NC 4.0
license_url: https://creativecommons.org/licenses/by-nc/4.0/
attribution: "Data: Penguin Statistics (penguin-stats.io), CC BY-NC 4.0"
---

# Polyester Lump Drop Rates (CN server)

Server: **CN server** · [US server](https://penguin-stats.io/en/result/us/item/30034.md) · [JP server](https://penguin-stats.io/en/result/jp/item/30034.md) · [KR server](https://penguin-stats.io/en/result/kr/item/30034.md)

Drops of Polyester Lump by stage on the CN server, by percentage, highest first: 16 of 16 stages

| Stage | ID | Loots | Samples | Percentage | Sanity Required Per Item | Sanity | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | ---: | --- |
| [14-9](https://penguin-stats.io/en/result/cn/stage/main_14/main_14-08.md) Episode 14 (Standard) | `main_14-08` | 350 | 7339 | 4.77% | 503.25 | 24 | 2024-05-15 until now |
| [14-9](https://penguin-stats.io/en/result/cn/stage/main_14_tough/tough_14-08.md) Episode 14 (Tough) | `tough_14-08` | 547 | 11493 | 4.76% | 504.31 | 24 | 2024-05-15 until now |
| [12-18](https://penguin-stats.io/en/result/cn/stage/main_12/main_12-16.md) Episode 12 (Standard) | `main_12-16` | 439 | 10182 | 4.31% | 487.01 | 21 | 2023-04-06 until now |
| [13-12](https://penguin-stats.io/en/result/cn/stage/main_13/main_13-10.md) Episode 13 (Standard) | `main_13-10` | 122 | 2860 | 4.27% | 492.26 | 21 | 2023-10-08 until now |
| [12-18](https://penguin-stats.io/en/result/cn/stage/main_12_tough/tough_12-16.md) Episode 12 (Tough) | `tough_12-16` | 975 | 23974 | 4.07% | 516.35 | 21 | 2023-04-06 until now |
| [15-6](https://penguin-stats.io/en/result/cn/stage/main_15/main_15-05.md) Episode 15 | `main_15-05` | 286 | 7099 | 4.03% | 521.22 | 21 | 2025-04-21 until now |
| [16-4](https://penguin-stats.io/en/result/cn/stage/main_16/main_16-03.md) Episode 16 | `main_16-03` | 689 | 17850 | 3.86% | 544.04 | 21 | 2025-10-09 until now |
| [DV-6](https://penguin-stats.io/en/result/cn/stage/permanent_sidestory_15_zone1/act19side_06_perm.md) Dorothy's Vision - Side Story | `act19side_06_perm` | 125 | 3528 | 3.54% | 592.72 | 21 | 2023-08-01 until now |
| [13-12](https://penguin-stats.io/en/result/cn/stage/main_13_tough/tough_13-10.md) Episode 13 (Tough) | `tough_13-10` | 280 | 8236 | 3.40% | 617.65 | 21 | 2023-10-08 until now |
| [9-7](https://penguin-stats.io/en/result/cn/stage/main_9/main_09-06.md) Episode 9 | `main_09-06` | 569 | 17758 | 3.20% | 561.80 | 18 | 2021-09-17 until now |
| [3-8](https://penguin-stats.io/en/result/cn/stage/main_3/main_03-08.md) Episode 3 | `main_03-08` | 3915 | 124963 | 3.13% | 574.53 | 18 | 2019-05-01 until now |
| [6-4](https://penguin-stats.io/en/result/cn/stage/main_6/main_06-04.md) Episode 6 | `main_06-04` | 1388 | 45606 | 3.04% | 591.52 | 18 | 2019-12-24 until now |
| [MN-7](https://penguin-stats.io/en/result/cn/stage/permanent_sidestory_6_zone1/act13d5_07_perm.md) Maria Nearl - Side Story | `act13d5_07_perm` | 32 | 1078 | 2.97% | 606.47 | 18 | 2021-10-15 until now |
| [RI-9](https://penguin-stats.io/en/result/cn/stage/permanent_sidestory_5_zone1/act12d0_09_perm.md) The Great Chief Returns - Side Story | `act12d0_09_perm` | 94 | 3258 | 2.89% | 623.92 | 18 | 2021-08-03 until now |
| [WR-9](https://penguin-stats.io/en/result/cn/stage/permanent_sidestory_8_zone1/act16d5_09_perm.md) Who Is Real - Side Story | `act16d5_09_perm` | 231 | 8101 | 2.85% | 631.36 | 18 | 2022-01-24 until now |
| [BI-7](https://penguin-stats.io/en/result/cn/stage/permanent_sidestory_11_zone1/act14side_07_perm.md) Break The Ice - Side Story | `act14side_07_perm` | 853 | 31000 | 2.75% | 654.07 | 18 | 2022-12-15 until now |

Samples: runs of the stage reported in the time range. Loots: total number of the item dropped in those runs. Percentage = Loots ÷ Samples, the expected number dropped per run, which can exceed 100%. Sanity Required Per Item = Sanity ÷ Percentage. Time Range: since the drop table of the stage last changed.

Updated 2026-10-24 02:51 (UTC+8). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=CN&itemFilter=30034&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)

## Related Items

- [Polyester Pack](https://penguin-stats.io/en/result/cn/item/30033.md) `30033`
- [Polyester](https://penguin-stats.io/en/result/cn/item/30032.md) `30032`
- [Ester](https://penguin-stats.io/en/result/cn/item/30031.md) `30031`