SASO Adds Corrosion Report Rule for Cooling Towers

On June 26, 2026, Saudi Arabia’s standards authority SASO issued an urgent technical notice through the GCC customs system that changes the market-entry documentation for closed-circuit and evaporative cooling towers. From September 1, 2026, products entering the Saudi market must be accompanied by an ASTM G102 corrosion rate assessment report issued by a SASO-recognized laboratory. This is worth close attention for exporters, EPC procurement teams, manufacturers, testing partners, and delivery coordinators because the change affects not only product compliance, but also bidding readiness, document completeness, and shipment planning for projects tied to hot and humid operating conditions.

What the Notice Requires

The confirmed facts are limited but clear. SASO pushed an urgent technical communication to the GCC customs system on June 26, 2026, under reference SASO/TC/CT/2026/089. The notice states that all closed-circuit and evaporative cooling towers entering the Saudi market must include a corrosion rate evaluation report based on ASTM G102. The report must be issued by a laboratory recognized by SASO, and the requirement takes effect on September 1, 2026. The stated focus of the measure is equipment life and water quality safety under high-temperature and high-humidity service conditions. The development is also described as relevant to procurement decisions in Middle East EPC projects.

Where the Immediate Pressure Will Appear

Export shipments now depend on an added document checkpoint

From an industry perspective, exporters and direct trading companies are likely to feel the change first because the rule adds a specific third-party report to the shipment documentation set for the Saudi market. The immediate impact is not only technical compliance, but document timing: without the required ASTM G102 assessment from a SASO-recognized laboratory, shipment preparation, customs-facing documentation, and market entry arrangements may all require closer review.

Manufacturers may need to adjust technical file preparation

For cooling tower manufacturers, the issue is likely to move upstream into product file management and bid support materials. Analysis shows that product teams will need to confirm whether existing technical documents already align with this added corrosion-rate reporting requirement, and whether documentation packages prepared for customers or project tenders need to be updated before the September 1 implementation date.

Procurement teams face a specification and timing issue

For procurement sides, especially project-based buyers and EPC-related sourcing teams, the notice matters because it can affect supplier qualification and technical bid alignment. What deserves closer attention is whether purchase specifications, tender schedules, and supplier document checklists now need to explicitly require a SASO-recognized laboratory report under ASTM G102 for cooling towers intended for Saudi delivery.

Testing and compliance service providers may become a key bottleneck

Testing partners, certification support firms, and compliance coordinators may also be affected because the new requirement is tied to reports issued only by SASO-recognized laboratories. Observably, this creates a narrower compliance path than a general self-declared technical statement, which means laboratory recognition status and report acceptance are likely to become practical checkpoints in export and delivery workflows.

What Companies Should Review Now

Check whether current Saudi-bound files are complete

Analysis shows that companies with active or planned Saudi shipments should review whether closed-circuit and evaporative cooling towers in scope already have the required ASTM G102 corrosion rate assessment report from a SASO-recognized laboratory. If not, the main issue is not yet a proven enforcement outcome, but a clear pre-shipment compliance gap that deserves immediate attention.

Revisit tender and purchase document language

Where projects are still at bidding or procurement stage, companies should review technical specifications, vendor qualification sheets, and contract appendices to determine whether this new report must be added as an explicit documentary requirement. This is especially relevant where procurement decisions depend on full technical file submission rather than post-award supplementation.

Track implementation wording and acceptance practice

The notice provides a defined requirement and an effective date, but it does not, in the provided information, set out fuller operational details such as review sequences, document formatting expectations, or any additional supporting paperwork. It is more appropriate to understand this as a rule change with a visible compliance signal, while continuing to monitor how the requirement is expressed in official practice, customs-facing checks, and project documentation.

Review delivery schedules against the September 1 date

Companies managing exports, project delivery, or supplier coordination should examine whether shipment timing intersects with the September 1, 2026 effective date. Observably, any transaction close to that date may require tighter coordination between laboratory reporting, document issuance, procurement approval, and shipment release in order to avoid file mismatch during delivery.

Why This Looks Like More Than a Routine Filing Update

Analysis shows that this development is not merely an administrative adjustment to a form set. By linking Saudi market entry for certain cooling towers to a corrosion rate evaluation under ASTM G102 and requiring a SASO-recognized laboratory, the notice points to a more specific compliance expectation around durability and water-related operating safety in demanding service conditions. At the same time, it would be premature to treat every downstream enforcement detail as settled fact, because the input does not provide broader implementation guidance, market feedback, or confirmed acceptance practice beyond the stated requirement and effective date.

How the Market Should Read the Signal

At this stage, it is more appropriate to understand the notice as an implemented compliance signal with immediate practical consequences for documentation, procurement review, and shipment preparation, rather than as a fully mapped execution framework. The rule change is concrete enough to affect current planning, but the way it will be reflected in tender language, supplier screening, and day-to-day acceptance practice still merits continued observation. For companies exposed to Saudi-bound cooling tower trade or EPC procurement, the prudent reading is that the compliance threshold has become more specific and more document-dependent.

Basis of This Article

This article is based on the user-provided news title, event date, and event summary concerning the SASO urgent notice issued on June 26, 2026. For developments of this kind, commonly relevant source types may include official notices, releases from regulatory or standards authorities, customs or trade administration updates, industry association communications, standards organization documents, and reporting by established trade media. No specific official source link was provided in the input, so the exact official publication path still requires follow-up verification. What should continue to be monitored includes any further policy detail, certification and report acceptance wording, changes in tender documentation, market feedback, and how companies implement the requirement in actual export and delivery processes.