Mr. Lin recently encountered a troublesome matter: a batch of industrial glue worth 200,000 was detained by customs for a full two weeks due to incomplete declaration documents. Meanwhile, Mr. Lin identical goods completed customs clearance in three days through a professional agency, and were successfully delivered to overseas clients. Glue export appears simple, but in reality, it harbors hidden complexities — from HS code classification to dangerous goods certification, from document preparation to transportation plans, every link can become a "sticky" trap for goods.
I. Three "Sticky" Challenges in Glue Export

Unlike ordinary chemical products, glue export faces special challenges:
- Classification Labyrinth: 502 glue and epoxy resin glue have different HS codes; curing speed affects the choice of transportation method.
- Certification Minefield: Solvent-containing glues require MSDS certification; EU REACH regulations require a full set of test reports.
- Packaging Pitfalls: Two-component glues require shock-proof packaging; air pressure changes during air transport can lead to container rupture.
II. Professional Agent's "Unsticking" Secrets
Zhongmaoda Customs Manager revealed that the key to efficient customs clearance lies in:
- Conducting pre-classification services in advance to avoid demurrage charges caused by tariff number modification during customs inspection.
- Establishing a dangerous goods transportation whitelist and signing long-term agreements with shipping companies/airlines.
- Adopting a blockchain traceability system to track cargo status in real-time and automatically alert for anomalies.
III. Common Mistakes in Self-Declaration by Cargo Owners
We have compiled typical cases of glue exports being returned in 2023:
- Erroneously declaring UV glue as "non-dangerous goods," when it actually requires a UN number.
- Failing to label "containing volatile organic compounds," leading to environmental penalties at the port of destination.
- Transportation temperature exceeding 40℃, leading to changes in the properties of hot-melt adhesive.
IV. Future Trends: Breakthroughs in Smart Customs Declaration
With the development of AI technology, smart customs declaration systems can now achieve:
- Automatically matching HS codes through product photos.
- Predicting inspection probabilities based on historical data.
- Generating multilingual compliant labels and documents.
Have you also encountered "sticky" problems in glue export? Feel free to share your experiences, or consult the Zhongmaoda expert team for customized customs clearance solutions. After all, in this era of globalization, having goods "stick" to customers is paramount, not getting "stuck" at customs!

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