Manufacturing
Process Control
Every release of a grade against the customer specification and against Sun Ace's own action limits, the moment QC closes the batch.
Newest release
B26-0364 SAK-CZP 40 · Ca/Zn one pack, sewer & drainage pipe · 11,858 kg made 19 Jul 2026 PassClosed by Priya Raman at 10:27am · 15 days ago · WO-2026-0364
Releases plotted
20
13 Aug 2025 to 19 Jul 2026
Peak temperature · published grade
Inside spec, outside our limits
0
Every release sat inside the action limits
Nothing to check
Outside the customer spec
0
No release broke the specification
Clean
The line
No comparison
Only 1 release in the last week of production
Widen the window
Every measure on the release
Pick one to open it below. Bands as drawn on the big chart.
SAK-CZP 40 · Ca/Zn one pack, sewer & drainage pipe · Peak temperature
Customer specification 128.0 to 142.0°C from the QP-ONEPACK plan. Action limits 130.8 to 139.2, the middle 60% of the customer window, measured out from target.
20 releases of SAK-CZP40 · 0 inside the customer specification but outside the action limits · 0 outside the specification · widest reading 137.2°C, narrowest 133.0°C.
Worth a look
Releases outside the action limits, newest first, with what is still on the rack.
Every release of SAK-CZP40 sat inside the action limits on Peak temperature.
Is the line getting skinnier
How much of the customer window the releases occupy, measured back from the last run on 19 Jul 2026.
| Window | Releases | Lowest | Highest | Window used |
|---|---|---|---|---|
| Last week of production | 1 | 135.3 | 135.3 | Too few |
| Last month | 5 | 133.7 | 137.2 | 25%
|
| Last two months | 7 | 133.7 | 137.2 | 25%
|
Too few releases in the last week of production to read against the two-month baseline.
The readings
The charts above as numbers, newest first. ◆ past our action limits, ■ outside the customer specification.
| Batch | Made | Yield % | Peak temperature °C | Fusion time s | Torque, peak Nm | Colour, initial ΔE | Bulk density g/L | Moisture % | Verdict |
|---|---|---|---|---|---|---|---|---|---|
| B26-0364 | 19 Jul 2026 | 99.03 | 135.3 | 54.1 | 41.7 | 2.02 | 300 | 0.72 | Pass |
| B26-0388 | 07 Jul 2026 | 99.28 | 137.2 | 53.6 | 42.0 | 1.96 | 328 | 0.57 | Concession |
| B26-0387 | 02 Jul 2026 | 99.66 | 135.3 | 53.9 | 42.1 | 1.28 | 306 | 0.61 | Pass |
| B26-0345 | 02 Jul 2026 | 99.38 | 133.7 | 53.5 | 42.4 | 1.70 | 316 | 0.41 | Pass |
| B26-0298 | 20 Jun 2026 | 99.52 | 136.6 | 53.8 | 42.3 | 1.99 | 332 | 0.58 | Pass |
| B26-0329 | 17 Jun 2026 | 99.06 | 136.9 | 53.8 | 41.6 | 1.22 | 331 | 0.79 | Pass |
| B26-0316 | 13 Jun 2026 | 99.54 | 134.1 | 54.4 | 41.8 | 1.79 | 330 | 0.82 | Pass |
| B26-0133 | 23 Feb 2026 | 99.17 | 135.0 | 54.3 | 42.0 | 1.67 | 309 | 0.82 | Pass |
| B26-0148 | 21 Feb 2026 | 99.15 | 135.0 | 53.5 | 42.4 | 1.70 | 315 | 0.66 | Pass |
| B26-0114 | 18 Feb 2026 | 99.25 | 133.7 | 53.7 | 41.9 | 1.88 | 332 | 0.79 | Pass |
| B26-0141 | 05 Feb 2026 | 99.41 | 135.5 | 54.2 | 41.6 | 1.67 | 341 | 0.67 | Pass |
| B25-0919 | 01 Dec 2025 | 99.68 | 136.9 | 54.4 | 41.9 | 1.11 | 306 | 0.51 | Pass |
| B25-0840 | 19 Oct 2025 | 99.54 | 133.6 | 53.7 | 42.0 | 1.09 | 308 | 0.75 | Pass |
| B25-0824 | 14 Oct 2025 | 99.79 ◆ | 134.9 | 53.8 | 42.3 | 1.10 | 341 | 0.56 | Pass |
| B25-0780 | 25 Sep 2025 | 99.61 | 135.8 | 54.3 | 42.1 | 1.94 | 315 | 0.76 | Pass |
| B25-0758 | 20 Sep 2025 | 99.38 | 134.8 | 54.3 | 41.9 | 1.91 | 327 | 0.74 | Pass |
| B25-0783 | 18 Sep 2025 | 99.10 | 133.8 | 53.8 | 41.8 | 1.06 | 316 | 0.72 | Pass |
| B25-0785 | 17 Sep 2025 | 99.24 | 137.1 | 53.9 | 41.6 | 1.92 | 337 | 0.66 | Pass |
| B25-0770 | 12 Sep 2025 | 99.03 | 134.5 | 54.0 | 41.6 | 1.08 | 304 | 0.55 | Pass |
| B25-0746 | 13 Aug 2025 | 99.10 | 133.0 | 54.3 | 42.0 | 1.62 | 313 | 0.51 | Pass |