SUNACE
SUNACE
Certificate of analysis B25-0876 SAK-OTM 70 · methyl tin mercaptide, bottle & sheet
July 2026 close · posted live Mon 3 Aug 2026

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-25-0876

Product

SAK-OTM70

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

Organotin stabilisers

Batch

B25-0876

Manufactured
18 Nov 2025
Best before
18 Nov 2027
Quantity made
2,962 kg
Works order
WO-2025-0876

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 Polyflor Australia Pty Ltd · Welvic Australia Pty Ltd

Test Specification Result Off target Outcome
Yield 97.50 to 100.00 % 99.59 % — Pass
Peak temperature 128.0 to 142.0 °C 134.3 °C — Pass
Torque, peak 42.0 Nm ±3% 41.6 Nm -0.95% Pass
Tin content 17.50 to 19.50 % 18.70 % — Pass
Viscosity 25°C 180 to 340 mPa·s 267 mPa·s — Pass
Colour, initial ΔE 0.00 to 3.50 ΔE 1.39 ΔE — Pass
Appearance vs standard 1 to 1 pass Conforms — Pass

Part batches supplied to Welvic Australia Pty Ltd

Nothing off this run has been despatched. 1,056 kg is still on the floor.

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

Priya Raman

19 Nov 2025 at 10:52am

Made on RX-02 by Malcolm Rees

Despatched against

  • Polyflor Australia Pty Ltd SO-01044 · 874 kg
  • Welvic Australia Pty Ltd SO-01046 · 640 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