SUNACE

Australia · Leading through quality

Sun Ace Australia Pty Ltd
32-38 Remington Drive, Dandenong South VIC 3175
ABN 52 006 388 102 · +61 3 9702 9444 · sunace@sunace.com.au

Certificate of Analysis

COA-26-0234

Product

SAK-OTM70

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

Organotin stabilisers

Batch

B26-0234

Manufactured: 05 Apr 2026
Best before: 04 Apr 2028
Quantity made: 2,986 kg
Works order: WO-2026-0234

Organotin release

QP-TIN

Conforms to specification

Mercaptide grades. Tin assay against specification before drumming.

Tested against

The published specification for SAK-OTM70, released under QP-TIN.

This batch went to 2 customers. Issue the certificate for Welvic Australia Pty Ltd · Integrated Packaging Group Pty Ltd

Test	Specification	Result	Off target	Outcome
Yield	97.50 to 100.00 %	99.35 %	—	Pass
Peak temperature	128.0 to 142.0 °C	135.8 °C	—	Pass
Torque, peak	42.0 Nm ±3%	41.7 Nm	-0.71%	Pass
Tin content	17.50 to 19.50 %	18.31 %	—	Pass
Viscosity 25°C	180 to 340 mPa·s	264 mPa·s	—	Pass
Colour, initial ΔE	0.00 to 3.50 ΔE	1.41 ΔE	—	Pass
Appearance vs standard	1 to 1 pass	Conforms	—	Pass

Part batches supplied to Welvic Australia Pty Ltd

SO-01046 18 Jul 2026 · 1,524 kg · 1 pallet

B26-0234-P02

4 pallets came off this run. Each carries its own label, so a claim can be answered against the pallets that were delivered rather than the whole batch.

Released by

Karen Doust

06 Apr 2026 at 10:22am

Made on RX-02 by Malcolm Rees

Despatched against

Welvic Australia Pty Ltd SO-01046 · 1,524 kg
Integrated Packaging Group Pty Ltd SO-01020 · 249 kg

The goods described were manufactured under a quality system certified to ISO 9001:2015.
A retained sample of this batch is held for the shelf life of the product.

Sun Ace Australia Pty Ltd, ABN 52 006 388 102. Results of testing carried out on the batch named above under quality plan QP-TIN. Results relate only to the batch tested. COA-GENERAL