Brazil INMETRO Product Certification Guide (2025 Update)

2025-11-05

1️⃣ Overview of INMETRO Certification

INMETRO (National Institute of Metrology, Standardization and Industrial Quality) is the leading authority responsible for accreditation, testing, and certification in Brazil.
It establishes technical regulations, supervises Certification Bodies (CBs), and ensures product quality and safety compliance.

The INMETRO certification system includes both mandatory and voluntary schemes, covering safety, performance, and energy efficiency — serving as a critical technical barrier to entry into the Brazilian market.



2️⃣ Key INMETRO Certification Information (2025)

1️⃣ Technical Standards:
Products must meet Brazilian standards. Typical mains voltage: AC 127V–220V, 60Hz. Plugs and sockets must comply with ABNT NBR NM 60884-1:2004.

2️⃣ Certification Nature:
Includes mandatory and voluntary certification schemes depending on product category and risk.

3️⃣ Certificate Validity:
Generally 2–5 years, depending on product type (e.g., 3 years for household appliances).

4️⃣ Factory Audit:
Requires initial and annual surveillance audits of both manufacturing plants and importers.

5️⃣ Certificate Holder:
Applications must be submitted via a locally appointed Brazilian representative or agent.



3️⃣ INMETRO Certification Product Scope

Mandatory Certification Products Include:

  • Steel and cast iron pipes

  • Steel ropes, wires, and cables

  • Automotive parts (e.g., tires, wheels, batteries, shock absorbers)

  • Medical electronic equipment

  • Circuit protection devices

  • Explosion-proof electrical equipment

  • Gas system components

  • Plugs, sockets, and switches

  • Household appliances and IT equipment

Voluntary Certification Products:

  • Industrial valves

  • Building materials

Energy Efficiency Labeling Programs:

  • Three-phase electric motors

  • Photovoltaic (solar) modules



4️⃣ INMETRO Certification Process: Step-by-Step

1️⃣ Application Submission:
Submit the certification request to an accredited Certification Body (CB) or recognized laboratory.

2️⃣ Sample Preparation:
Prepare test samples (typically 3 units) and provide all required technical documentation.

3️⃣ Product Testing:
Testing is conducted according to INMETRO-approved standards, followed by issuance of a test report.

4️⃣ Factory Audit:
An audit is conducted at the manufacturing site by certified Brazilian auditors (commonly two auditors).

5️⃣ Report Evaluation:
Both factory audit reports and test reports are reviewed by the CB for compliance verification.

6️⃣ Certificate Issuance:
Once approved, INMETRO issues the certificate of conformity.



5️⃣ Post-Certification Surveillance Requirements

According to Brazilian regulations, certified products are subject to periodic surveillance to maintain compliance:

  • Surveillance frequency: Every 6, 9, or 12 months, depending on product type.

  • May include:

    • Importer inspections

    • Random sample testing

    • Factory re-audits

    • Witness testing and document review

Certificate renewal depends on successful completion of all surveillance activities.



6️⃣ INMETRO Certification Required Documents

1️⃣ Completed product test application form
2️⃣ User manual and installation instructions in Portuguese
3️⃣ Circuit diagrams and detailed technical specifications
4️⃣ List of critical components and their approved suppliers
5️⃣ Comprehensive documentation of technical parameters for all key parts



7️⃣ INMETRO Certification Timeline & Cost Overview

Certification Timeline:

  • Standard products:4 months or more

  • Complex products (e.g., automotive tires): Up to 12 months

  • Voluntary certifications: Around 2 months

Certification Cost Range (2025 Reference):

CategoryEstimated Cost (USD)Equivalent (RMB)
Standard product$11,000 – $12,500¥80,000 – ¥90,000
Complex products (e.g., tires)$20,000 – $28,000+¥140,000 – ¥200,000


8️⃣ Key Tips for Exporters

Plan Early: INMETRO certification often involves multiple audits and tests — start at least 6 months before shipment.

Appoint a Reliable Brazilian Agent: All INMETRO applications require a local representative. Choose an agent experienced in certification management.

Maintain Portuguese Documentation: Ensure all user manuals, labels, and instructions are in Portuguese to comply with national labeling standards.

Monitor Certificate Renewal: Set reminders for annual audits and certificate renewal deadlines to avoid market disruptions.



9️⃣ FAQ: INMETRO Certification (2025 Edition)

Q1: Is INMETRO certification mandatory for all products?
A: No. Only products listed under the mandatory scope must be certified. Other products may pursue voluntary certification for market reputation.

Q2: How long is an INMETRO certificate valid?
A: Typically 2–5 years, depending on the product category and audit frequency.

Q3: Can overseas manufacturers apply directly?
A: No. Applications must go through a Brazilian representative registered with INMETRO.

Q4: Does INMETRO require factory inspections?
A: Yes. Initial and annual factory audits are mandatory for most product categories.

Q5: What language should technical documents be in?
A: All user manuals, labels, and installation guides must be translated into Portuguese.



 Contact BLUEASIA for Expert Assistance

Need help navigating Brazil’s complex certification landscape?
BLUEASIA provides end-to-end support for INMETRO certification — from testing and document preparation to audits and renewals.

king.guo@cblueasia.com
+86 13534225140
www.blueasialabs.com

BLUEASIA – Your Global Partner for Certification Compliance.