SUNACE
SUNACE
Process Control SAK-OTM70 · Tin content
July 2026 close · posted live Mon 3 Aug 2026

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.

Every grade together
Grade SAK-CZB65 ACE-ZNS10 ACE-CAS10 SAK-CZC70 ACE-ZNS20-C SAK-CZP30 ACEGUARD-HT8 ACE-CAS40-C SAK-CZM15 ACEFEED-CA20 ACE-MGS20-PH SAK-CZP40 SAK-ORP22 ACE-CAS20 SAK-CZH80 INT-CAST70
Against Published grade No customer holds a tighter agreement on this grade.

Newest release

B26-0351 SAK-OTM 70 · methyl tin mercaptide, bottle & sheet · 2,971 kg made 18 Jul 2026 Pass

Closed by Vinh Le at 10:40am · 16 days ago · WO-2026-0351

Yield
99.35 %
Peak temperature
135.6 °C
Torque, peak
41.7 Nm
Tin content
18.71 %
Viscosity 25°C
225 mPa·s
Colour, initial ΔE
1.82
505 kg still on the rack, 2,466 kg already gone to Welvic Australia Pty Ltd.

Releases plotted

15

11 Sep 2025 to 18 Jul 2026

Tin content · 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.

Yield
%
Plan · 97.50 to 100.00
15 releases All inside
Peak temperature
°C
Plan · 128.0 to 142.0
15 releases 1 outside spec
Torque, peak
Nm
Plan · ±3%
15 releases All inside
Tin content
%
Plan · 17.50 to 19.50
15 releases All inside
Viscosity 25°C
mPa·s
Plan · 180 to 340
15 releases All inside
Colour, initial ΔE
Plan · 0.00 to 3.50
15 releases All inside

SAK-OTM 70 · methyl tin mercaptide, bottle & sheet · Tin content

Customer specification 17.50 to 19.50% from the QP-TIN plan. Action limits 17.86 to 19.06, the middle 60% of the customer window, measured out from target.

Inside the action limits Inside the customer spec, outside our limits Outside the customer spec
Reading
17.0 17.5 18.0 18.5 19.0 19.5 20.0 Tin content (%) Customer spec 19.50 Action limit 19.06 Target 18.40 Action limit 17.86 Customer spec 17.50 B25-0788 · 18.28% B25-0842 · 18.49% B25-0860 · 18.31% B25-0851 · 18.39% B25-0863 · 18.09% B25-0876 · 18.70% B26-0178 · 18.45% B26-0234 · 18.31% B26-0244 · 18.25% B26-0207 · 18.20% B26-0212 · 18.54% B26-0214 · 18.39% B26-0268 · 18.50% B26-0321 · 18.46% B26-0351 · 18.71% Sep 25 Oct 25 Nov 25 Mar 26 Apr 26 May 26 Jun 26 Jul 26 Releases in the order they were made, oldest at the left 2 between 18.00 and 18.25% 9 between 18.25 and 18.50% 4 between 18.50 and 18.75% 0 5 10 Releases per 0.25% band

15 releases of SAK-OTM70 · 0 inside the customer specification but outside the action limits · 0 outside the specification · widest reading 18.71%, narrowest 18.09%.

Worth a look

Releases outside the action limits, newest first, with what is still on the rack.

Every release of SAK-OTM70 sat inside the action limits on Tin content.

Is the line getting skinnier

How much of the customer window the releases occupy, measured back from the last run on 18 Jul 2026.

Window Releases Lowest Highest Window used
Last week of production 1 18.71 18.71 Too few
Last month 2 18.46 18.71 Too few
Last two months 2 18.46 18.71 Too few

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.

Download CSV
Batch Made Yield
%
 Peak temperature
°C
 Torque, peak
Nm
 Tin content
%
 Viscosity 25°C
mPa·s
 Colour, initial ΔE
Verdict
B26-0351 18 Jul 2026 99.35 135.6 41.7 18.71 225 1.82 Pass
B26-0321 21 Jun 2026 99.51 134.4 42.0 18.46 242 1.20 Concession
B26-0268 09 May 2026 99.47 134.9 41.9 18.50 251 1.50 Pass
B26-0214 24 Apr 2026 99.08 134.4 41.6 18.39 227 1.23 Pass
B26-0212 08 Apr 2026 99.11 136.1 41.9 18.54 256 2.06 Pass
B26-0207 08 Apr 2026 99.69 144.0 ■ 42.2 18.20 269 1.22 Fail
B26-0244 06 Apr 2026 99.10 136.2 41.7 18.25 238 1.66 Pass
B26-0234 05 Apr 2026 99.35 135.8 41.7 18.31 264 1.41 Pass
B26-0178 25 Mar 2026 99.53 136.9 42.1 18.45 231 1.71 Pass
B25-0876 18 Nov 2025 99.59 134.3 41.6 18.70 267 1.39 Pass
B25-0863 14 Nov 2025 99.03 134.2 42.4 18.09 272 2.06 Pass
B25-0851 12 Nov 2025 99.20 136.5 42.2 18.39 255 1.89 Pass
B25-0860 08 Nov 2025 99.07 133.6 42.3 18.31 225 1.94 Pass
B25-0842 09 Oct 2025 99.53 137.0 41.9 18.49 268 1.33 Pass
B25-0788 11 Sep 2025 99.41 135.8 42.3 18.28 268 1.99 Pass