On May 10, 2026, Vietnam’s Ministry of Industry and Trade (MOIT) issued an urgent notice (No. 87/MOIT-TCNL), mandating new biocompatibility testing requirements for nanoscale filter media used in imported industrial air filters—effective July 1, 2026. This development directly affects exporters of PPE and air purification equipment from China, especially those supplying medical cleanrooms and semiconductor fabrication facilities.

Event Overview

On May 10, 2026, the Vietnamese Ministry of Industry and Trade (MOIT) published Notice No. 87/MOIT-TCNL. It stipulates that, starting July 1, 2026, all imported industrial-grade air filters—including HEPA/ULPA modules, Fan Filter Units (FFUs), and cleanroom filter panels—must use nanoscale filter media accompanied by dual biocompatibility test reports: ISO 10993-5:2026 (cytotoxicity) and ISO 10993-10:2026 (sensitization). The notice is publicly available and applies exclusively to imported products entering Vietnam’s market.

Industries Affected

Direct Exporters (PPE & Air Purification Equipment Manufacturers)

These enterprises supply finished air filtration systems to Vietnamese end users or distributors. They are affected because compliance now requires upstream validation of filter media—not just final product certification. Impact includes delayed customs clearance, potential shipment rejection, and increased pre-shipment verification costs.

Filter Media Suppliers & Raw Material Procurement Firms

Companies sourcing or producing nanoscale filter media (e.g., electrospun nanofibers, nanoweb composites) must now ensure their materials carry valid ISO 10993-5:2026 and ISO 10993-10:2026 reports. Since these standards were updated in 2026, legacy test reports issued under earlier versions (e.g., ISO 10993-5:2019) are not accepted.

OEM/ODM Manufacturers Serving Global Brands

Firms assembling air filtration units for international brands—even if branded overseas—must verify that filter media embedded in their products meet the new Vietnamese requirement. Contract manufacturers cannot rely on client-provided declarations alone; MOIT requires test reports traceable to the actual material lot supplied into Vietnam.

Distribution & Logistics Service Providers

Import agents, customs brokers, and freight forwarders handling air filter shipments into Vietnam must now validate biocompatibility documentation prior to filing import declarations. Absence of compliant reports may trigger mandatory laboratory retesting at the importer’s expense—or outright denial of entry.

What Enterprises Should Monitor and Do Now

Track official MOIT clarifications and implementation guidance

Notice No. 87/MOIT-TCNL does not specify whether third-party lab accreditation (e.g., ISO/IEC 17025) is required for the biocompatibility tests, nor whether reports must be issued by Vietnamese-recognized labs. Enterprises should monitor MOIT’s Technical Standards Department (TCNL) for follow-up circulars or Q&A documents expected before July 2026.

Identify high-risk product categories and supply chain nodes

Products destined for healthcare or semiconductor applications—where regulatory scrutiny is highest—are most likely to face pre-clearance review. Companies should map which filter media batches (including supplier names, production dates, and material specifications) feed into shipments bound for Vietnam, and prioritize retesting where documentation is incomplete or outdated.

Distinguish between policy signal and operational impact

This notice reflects a targeted regulatory upgrade—not a broad trade restriction. It applies only to nanoscale filter media used in industrial air filtration, not general HVAC filters or consumer-grade purifiers. Enterprises should avoid overgeneralizing the scope; non-nano or non-industrial products remain unaffected unless explicitly covered in future amendments.

Prepare documentation, communication, and contingency plans with suppliers

Exporters should request updated ISO 10993-5:2026 and ISO 10993-10:2026 reports from filter media suppliers *now*, confirm report validity (including test method alignment and sample traceability), and update internal technical files accordingly. Where gaps exist, initiate retesting with accredited labs—and allocate buffer time for reporting delays.

Editorial Perspective / Industry Observation

Observably, this notice signals Vietnam’s incremental alignment with medical-device adjacent regulatory expectations—extending biocompatibility logic from direct-contact medical products to filtration components operating in controlled environments. Analysis shows it is not yet a full-scale regulatory regime shift, but rather a narrowly scoped technical barrier introduced via administrative notice. From an industry perspective, its significance lies less in immediate disruption and more in its precedent: it introduces biocompatibility as a verifiable criterion for non-medical industrial components in Vietnam’s import control framework. Continued monitoring is warranted—not only for possible expansion to other filtration categories (e.g., liquid or gas filters), but also for how Vietnamese authorities interpret ‘nanoscale’ in enforcement (e.g., pore size threshold, fiber diameter definition).

In summary, MOIT’s new requirement represents a procedural tightening—not a market closure—but one that elevates technical documentation rigor for a defined subset of air filtration imports. It underscores a growing trend where downstream regulatory expectations increasingly cascade upstream into material-level compliance. For affected enterprises, the current priority is verification, not speculation: confirming report validity, mapping supply chain exposure, and aligning documentation timelines with the July 1, 2026, effective date.

Source: Vietnam Ministry of Industry and Trade (MOIT), Official Notice No. 87/MOIT-TCNL, dated May 10, 2026.
Note: Clarifications regarding lab accreditation requirements, definitions of ‘nanoscale’, and enforcement protocols remain pending and are subject to further official updates.