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Dangerous Goods Test China | UN38.3, MSDS, Transport Certification & DG Testing Services

Professional dangerous goods test China services for all hazard classes. We provide UN38.3 battery testing, MSDS preparation (Material Safety Data Sheet), dangerous goods transport certification, classification and identification testing for air, sea, rail, and road transport. Our CNAS-accredited laboratory reports comply with IATA DGR, IMDG Code, ADR, and China GAC regulations. Whether you need testing for lithium batteries, chemicals, aerosols, flammable liquids, corrosive substances, or any DG Class 1-9 — we deliver fast, reliable, globally recognized dangerous goods test reports. Ensure safe transport, avoid shipping delays, and meet all regulatory requirements.

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What is Dangerous Goods Testing? Why Is It Required?

Dangerous goods testing (危险品测试) is mandatory for shipping hazardous materials by air, sea, rail, or road. Carriers (airlines, shipping lines, railways) and customs authorities require certified test reports proving that dangerous goods are properly classified, packaged, and safe for transport. Without valid dangerous goods transport certification, shipments will be rejected by carriers, delayed at ports, or subject to heavy fines. Key regulations include:

  • IATA DGR (International Air Transport Association Dangerous Goods Regulations) – for air freight.
  • IMDG Code (International Maritime Dangerous Goods Code) – for sea freight.
  • ADR (European Agreement concerning the International Carriage of Dangerous Goods by Road) – for road transport.
  • China GAC & MOT regulations – for imports/exports through Chinese ports.
  • UN38.3 – specific testing standard for lithium batteries and cells.
⚠️ Critical: Shipping dangerous goods without proper test reports and documentation is illegal. Penalties include shipment confiscation, fines up to $50,000+, and criminal liability for serious incidents. Always obtain certified dangerous goods testing before shipping.

Our Dangerous Goods Testing Services – All DG Classes

UN38.3 Battery Testing

Mandatory for all lithium batteries and cells shipped by air or sea. Tests include: altitude simulation, thermal test, vibration, shock, external short circuit, impact, overcharge, forced discharge. UN38.3 test report required for all battery shipments.

UN38.3

MSDS Preparation & SDS Compliance

Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) for chemicals, batteries, and hazardous substances. Compliant with GHS, CLP, China GB standards. Required for customs clearance and carrier acceptance.

MSDS

Dangerous Goods Classification & Identification

Determination of proper shipping name, UN number, hazard class (1-9), packing group, and transport category. Essential for correct documentation and packaging selection.

Classification

Transport Certification – Air, Sea, Rail, Road

Issue dangerous goods transport certificates recognized by IATA, IMDG, ADR, and China authorities. Includes shipper's declaration for dangerous goods.

Transport Cert

Flammable Liquid & Gas Testing

Flash point, boiling point, flammability range testing for Class 3 dangerous goods. Required for paints, solvents, adhesives, fuels, aerosol products.

Flammable

Corrosive Substance Testing

pH value, corrosion rate testing for Class 8 dangerous goods. For acids, alkalis, cleaning agents, industrial chemicals.

Corrosive

Oxidizing Substances & Organic Peroxides Testing

Class 5 dangerous goods testing for oxidizers and organic peroxides.

Oxidizer

Toxic & Infectious Substances Testing

Class 6 dangerous goods testing for toxic chemicals, pesticides, biological materials.

Toxic

Dangerous Goods Classes – UN Classification System

ClassDescriptionExamples
Class 1ExplosivesFireworks, ammunition, detonators
Class 2Gases (flammable, non-flammable, toxic)Aerosols, propane, oxygen, chlorine
Class 3Flammable LiquidsPaint, solvents, gasoline, alcohol, adhesives
Class 4Flammable Solids; Spontaneously Combustible; Dangerous When WetSulfur, activated carbon, magnesium, sodium
Class 5Oxidizing Substances & Organic PeroxidesHydrogen peroxide, ammonium nitrate, bleach
Class 6Toxic & Infectious SubstancesPesticides, arsenic, medical waste, biological samples
Class 7Radioactive MaterialsMedical isotopes, industrial gauges
Class 8Corrosive SubstancesSulfuric acid, sodium hydroxide, battery acid
Class 9Miscellaneous Dangerous GoodsLithium batteries, dry ice, asbestos, environmentally hazardous substances

Lithium Battery UN38.3 Testing – Complete Guide

UN38.3 testing is mandatory for all lithium batteries and cells shipped by air or sea. The test includes 8 specific tests:

  • T1 – Altitude Simulation – Simulates low pressure during air transport.
  • T2 – Thermal Test – Assesses battery stability under temperature extremes (-40°C to +75°C).
  • T3 – Vibration Test – Simulates vibration during transport.
  • T4 – Shock Test – Tests battery resilience against mechanical shock.
  • T5 – External Short Circuit – Tests battery response to external short circuit.
  • T6 – Impact Test / Crush Test – For cells: impact test; for batteries: crush test.
  • T7 – Overcharge Test (for rechargeable batteries) – Tests overcharge protection.
  • T8 – Forced Discharge Test (for cells) – Tests forced discharge behavior.
📌 UN38.3 Test Report Validity: UN38.3 test reports have no expiration date but must match the specific battery model. Any change in cell chemistry, capacity, or construction requires new testing. Airlines and shipping lines may require reports less than 1-2 years old.

MSDS (Material Safety Data Sheet) Preparation Service

MSDS (Material Safety Data Sheet) or SDS (Safety Data Sheet) is a critical document for shipping hazardous materials. It provides information on chemical properties, hazards, handling, storage, and emergency response. Our MSDS preparation service includes:

  • 16-section GHS-compliant MSDS (sections 1-16).
  • Compliance with China GB/T 16483 and GB/T 17519 standards.
  • Regulatory compliance: IATA DGR, IMDG Code, CLP, REACH, China Hazardous Chemicals Regulations.
  • MSDS translation between Chinese and English.
  • Revision updates when regulations or product formulations change.

All MSDS reports are prepared by certified toxicologists and dangerous goods safety advisors.

Dangerous Goods Transport Certification Process

  • Step 1 – Sample Submission – Send product samples (batteries, chemicals, or other DG) to our CNAS-accredited lab.
  • Step 2 – Classification & Hazard Identification – Lab determines UN number, proper shipping name, hazard class, and packing group.
  • Step 3 – Testing per Applicable Standards – Conduct required tests: UN38.3 for batteries, flash point for flammables, pH/corrosion for corrosives, etc.
  • Step 4 – Report Preparation – Issue CNAS-certified dangerous goods test report and transport certificate.
  • Step 5 – MSDS/SDS Preparation (if needed) – Prepare compliant MSDS in Chinese and English.
  • Step 6 – Documentation for Carrier/Customs – Provide complete documentation package for shipping line, airline, or customs clearance.

Testing Standards & Regulatory Compliance

Our dangerous goods testing complies with:

  • UN Manual of Tests and Criteria (UN38.3) – Lithium batteries.
  • IATA Dangerous Goods Regulations (DGR) – Air transport worldwide.
  • IMDG Code – Sea transport (international and domestic China).
  • ADR – Road transport (Europe and many countries).
  • GB standards (China) – GB 6944, GB 12268, GB 13690 for hazardous materials classification.
  • GHS (Globally Harmonized System) – MSDS and labeling.
🏅 CNAS Accreditation: Our testing laboratory holds CNAS (China National Accreditation Service for Conformity Assessment) accreditation – reports are accepted by all Chinese customs ports, airlines, and shipping lines.

Testing Turnaround Time & Costs

  • UN38.3 Battery Testing: 7-15 business days for complete test series. Expedited service available (5-7 days).
  • MSDS Preparation: 3-5 business days per product.
  • Classification & Identification: 3-5 business days for standard DG classification.
  • Full Dangerous Goods Test Package: 10-20 business days depending on complexity.
  • Cost: Fixed fee per product/test type. Volume discounts for multiple products or ongoing testing programs.

Common Dangerous Goods Shipping Mistakes & How to Avoid Them

  • Mistake #1: No UN38.3 test report for lithium batteries – All lithium battery shipments require UN38.3 test report. Without it, airlines will reject cargo.
  • Mistake #2: Expired or incorrect MSDS – MSDS must match the exact product formulation. Generic MSDS are not accepted by carriers or customs.
  • Mistake #3: Wrong hazard classification – Misclassifying DG leads to incorrect packaging, labeling, and documentation – resulting in fines and shipment refusal.
  • Mistake #4: No dangerous goods transport certificate – Airlines and shipping lines require a signed shipper's declaration for dangerous goods.
  • Mistake #5: Using uncertified packaging – DG must use UN-certified packaging appropriate for the packing group and hazard class.
  • Mistake #6: Failing to declare DG content – Hiding dangerous goods in shipments is illegal and extremely dangerous. Always declare properly.

Frequently Asked Questions About Dangerous Goods Test China

What is UN38.3 testing and who needs it?
UN38.3 testing is mandatory for all lithium batteries and cells shipped by air or sea. It applies to standalone batteries, batteries contained in equipment, or batteries packed with equipment. Manufacturers, exporters, and importers of lithium batteries must obtain UN38.3 test reports for each battery model.
How long is a UN38.3 test report valid?
UN38.3 test reports do not have an official expiration date. However, airlines and shipping lines typically require reports issued within the last 1-2 years. If the battery design, chemistry, or capacity changes, new testing is required. We recommend updating reports annually for commercial shipments.
What is the difference between MSDS and UN38.3?
UN38.3 is a specific test standard for lithium batteries (performance and safety testing). MSDS is a safety data sheet that provides hazard information, handling instructions, and emergency response. Both are required for battery shipments – UN38.3 for test evidence, MSDS for safety documentation.
Can I test dangerous goods outside China for import into China?
Yes, but the test report must be recognized by Chinese authorities. CNAS-accredited labs in China are preferred. For foreign lab reports, we can assist with recognition and translation. For fastest clearance, testing in China is recommended.
How many samples are needed for dangerous goods testing?
For UN38.3 battery testing: typically 20 cells + 10 batteries (or as specified by test standard). For chemical DG testing: 100ml - 1 liter for liquids, 500g - 2kg for solids. We provide specific sample quantity requirements after reviewing your product.
What documentation do I get after dangerous goods testing?
You receive: CNAS-accredited test report, UN38.3 test summary (for batteries), dangerous goods classification certificate, MSDS (if ordered), and shipper's declaration for dangerous goods template. All documents in both Chinese and English.
Is dangerous goods testing required for small battery shipments?
Yes. Even small lithium batteries (button cells, power banks, rechargeable batteries) require UN38.3 testing and proper documentation. There is no small-quantity exemption for UN38.3. However, some air carriers accept smaller batteries under Section II of PI967/PI970 with proper packaging.

Latest News: Dangerous Goods Transport Regulations 2026

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Contact Us – Dangerous Goods Testing China

Describe your product (lithium batteries, chemicals, aerosols, etc.), quantity, shipping method (air/sea/road), and destination. We will provide testing requirements, sample quantity, pricing, and timeline.

Get In Touch

Our dangerous goods testing experts are CNAS-certified with 15+ years experience. We handle all DG classes and transport modes. Fast, reliable, compliant.

  • +86 130 5270 9126
  • info@tekzenvo.com
  • 5-Fa Zhan Building, No.9 Office Area, Kai Fa Qu, Dalian, Liaoning, China
  • Monday - Friday: 9:00 AM - 6:00 PM (GMT+8)
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