What Are Shipping Seals?
Shipping seals are security devices used to secure cargo, containers, trucks, trailers and packaging during transportation. Most are designed for one-time use and must be broken or removed before authorised access is gained.
Unlike a conventional lock, many shipping seals cannot simply be re-locked after opening. This provides a visible indication that the sealed area has been accessed.
Depending on the type, a shipping seal may include a unique identification number, barcode or other security marking. Businesses can record this information before dispatch and check it when goods arrive.
Shipping seals are commonly used for:
- Shipping containers
- Trucks and trailers
- Cargo transportation
- Warehouses
- Distribution centres
- Food and beverage
- Pharmaceutical products
- Chemical transportation
- Manufacturing
- Utility meters
Why Use Shipping Security Seals?
Cargo can be exposed to different security risks while moving through the supply chain. Shipping security seals provide a simple method for monitoring whether a sealed area has been opened.
They can help:
- Deter unauthorised access
- Reduce the risk of cargo theft
- Identify possible tampering
- Improve transportation security
- Protect product integrity
- Support cargo inspection
- Track sealed shipments
- Improve supply chain control
A security seal does not replace physical locks or other security systems. Instead, it provides an additional visual and physical security measure.
How Do Shipping Seals Work?
A shipping seal is fitted to an appropriate access point before the cargo leaves the warehouse or dispatch location.
The seal number or identification code can be recorded on the relevant transport documentation.
When the shipment reaches its destination, the recipient can inspect the seal before opening the cargo area.
The inspection can include:
- Checking whether the seal is intact.
- Comparing the seal number with the recorded number.
- Looking for signs of damage or interference.
- Removing the seal before authorised access.
If the seal is broken or the identification number does not match the records, further investigation may be required.
What Types of Shipping Seals Are Available?
There are several types of shipping security seals available. The right option depends on your application, security requirements and budget.
Plastic Shipping Seals
Plastic security seals are one of the most common options for transportation security. They provide a cost-effective way to secure cargo and identify potential tampering.
Plastic seals are often suitable for applications where a basic level of tamper evidence is required.
They can be useful for:
- Bags
- Containers
- Trucks
- Trolleys
- Storage units
- Transport equipment
If you need an affordable sealing solution for large quantities, plastic shipping seals can be a practical choice.
Cable Seals
Cable seals combine a metal security cable with a locking mechanism. The flexible cable makes them suitable for different sealing points and applications.
They are commonly used where additional flexibility is needed compared with rigid security seals.
Cable seals can provide stronger protection than many basic plastic seals and are suitable for cargo, transportation and industrial applications.
High-Security Seals
High-security seals are designed for applications where a stronger level of protection is required.
They are generally manufactured using metal components and may feature a strong wire or locking mechanism. Certain high-security seals are designed to meet recognised security standards and requirements.
These seals are commonly considered for international cargo, freight and transportation where security is a higher priority.
Bolt Seals
High-security bolt seals are widely used for shipping containers and other high-security cargo applications.
A bolt seal typically consists of a metal locking head and a locking rod. Once fitted, it is designed to provide strong resistance against unauthorised removal.
Container bolt seals are particularly useful for long-distance transportation where cargo may remain sealed for an extended period.
What Are High-Security Shipping Seals?
High-security shipping seals are designed for cargo applications where stronger physical protection and tamper evidence are required.
They are often used for shipping containers, trucks and other transportation equipment carrying valuable or sensitive goods.
When choosing a high-security seal, businesses should consider the required security level, applicable industry standards and the specific transportation environment.
Are Shipping Seals Tamper Evident?
Many shipping seals are tamper evident. Their design makes it difficult to access the sealed area without leaving evidence.
Once the seal has been broken or removed, it should not be reused. This makes it easier for authorised personnel to identify whether access may have occurred during transportation.
For businesses that need clear evidence of interference, selecting a suitable tamper evident shipping seal is important.
How Do I Choose the Right Shipping Seal?
The best shipping seal for cargo depends on your application and required security level.
Consider Your Cargo
Think about the type and value of goods being transported. Higher-value cargo may require a high-security bolt or cable seal.
Consider the Application
Determine whether you need to secure a shipping container, truck, trailer, carton, bag or another item.
Choose the Right Security Level
Basic plastic seals can be suitable for cost-effective applications. Metal, cable and bolt seals can provide additional security where required.
Check Identification Requirements
If you need to track individual shipments, consider seals with unique numbers, barcodes or other identification features.
Consider the Environment
Shipping seals may be exposed to rain, heat, cold and other demanding conditions. Select a seal designed for the environment in which it will be used.
Where Are Shipping Seals Used?
Shipping seals in the UK are used across a wide range of industries.
Food and Beverage
Seals can help protect food shipments from unauthorised access during transportation and distribution.
Pharmaceutical Industry
Pharmaceutical businesses can use security seals to help monitor access to products throughout the supply chain.
Chemical Industry
Chemical transportation requires careful handling and controlled access. Suitable security seals can provide an additional layer of protection.
Logistics and Distribution
Haulage companies, freight operators and distribution centres can use shipping seals to monitor cargo throughout transportation.
Shipping Containers
Shipping container seals are commonly used to secure container doors during road, rail and sea transportation.
Utility Meters
Specialist security seals can also be used to secure gas, water and electricity meters. These seals can help identify unauthorised access or interference.
Shipping Seals vs Container Seals
Shipping seals are a broad category of security products used across different transportation and cargo applications.
Container seals are specifically designed for shipping container doors and are commonly available as high-security bolt seals.
If you need to secure a standard shipping container, a dedicated container seal may provide the appropriate solution. For trucks, bags, meters or other applications, a different type of shipping security seal may be more suitable.
Buy Shipping Seals Online in the UK
Looking to buy shipping seals in the UK? Choose security seals based on your cargo type, application and required level of tamper protection.
From cost-effective plastic seals to cable seals and high-security bolt seals, the right product can help protect your cargo and provide visible evidence of unauthorised access.
Contact us to discuss your shipping security requirements or request information about suitable seals for your business.
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