Padlock Seal
You Professional Padlock Seal Suppliers!
It is an integrated and high-level enterprise with the ability to research and development, design, produce, and sales; and it has professional factory which produce plastic seals, stopcock, cable seals, meter seals, bolt seals, RFID electronic seals, plastic cable seals, containers, and GPS seals. Yutong is an excellent manufacturer and exporter of security seals in China.
Why Choose Us
Customized Services
We understand that each customer has unique manufacturing needs. That's why we offer customization options to cater to your specific requirements.
Our Certificates
Many of our products have passed ISO 9001, ISO 14001 certification and OHSAS 18001 certification.
Sale Market
Many of our seals enjoy a good reputation both in China and abroad. The products of the YuTong seal have sold well throughout the country and are exported to world markets such as South America, Southeast Asia, the United States, Canada, Australia, Europe and Africa.
Padlock Seal - Overview
Padlock seals provide identification and tamper-evidence for many smaller applications, including key cabinets, airline trolleys, first aid kits and more. Their small and light-weight design, coupled for easy and quick application, makes them ideal for confined spaces such as cabinets and trolleys.
Product Specification
We offer the following Specifications:
|
Body Size(H*W/mm) |
Hook Size(D*W/mm) |
Body Material |
Hook Material |
Printing |
|
19*37.5 |
1.2*23.5mm |
ABS Plastic |
Stainless steel aircraft cable wire |
Laser printing |
|
18*34 |
4*85 |
ABS Plastic |
Galvanized Carbon Steel |
Laser printing |
|
37*25 |
1.2*23.5mm |
ABS Plastic for the wire body, transparent cover is made of AS |
Stainless Steel |
Laser printing |
Advantages of Padlock Seal
Enhancing Security Measures
Padlock seals add an extra layer of security, especially when paired with a robust lock. They act as an immediate visual deterrent, signaling that tampering is not tolerated. This makes them an essential tool in sectors where security is paramount.
Preventing Unauthorized Access
One of the primary functions of padlock seals is to prevent unauthorized access to goods, containers, or facilities. By securing locks, they make it more difficult for intruders to gain entry without detection.
Easy Identification of Tampering
Padlock seals can provide clear signs that tampering has occurred, such as broken seals or damaged locks. This quick identification helps security personnel act swiftly and mitigate potential risks.

Types of Padlock Seal
Plastic padlock seals
Plastic has become the most popular material for making padlock seals due to its strength, durability, and resistance to environmental factors. Plastic sealed padlocks are lightweight and versatile. Many industries also favor them because they can be used on cargo containers and trucks.
Metal padlock seals
While plastic seals are popular, users in high-security environments prefer metal padlock seals. These are often made from steel or aluminum. Unlike their plastic counterparts, metal seals offer increased resistance to tampering, cutting, and harsh environmental conditions.
Heavy-duty Padlock Seals
For situations requiring higher levels of security, heavy-duty padlock seals offer enhanced protection. Made from stronger materials, these seals are more resistant to tampering, making them ideal for securing high-value or sensitive items in challenging environments.
Tamper-evident Padlock Seals
These seals are designed to show clear signs of tampering. Once removed or broken, they leave evidence that the seal has been disturbed, alerting security personnel to potential breaches. Tamper-evident padlock seals are commonly used in high-security applications like government facilities, shipping containers, and military zones.
Material of Padlock Seal
Polypropylene (PP):
Polypropylene is a thermoplastic polymer widely used for its durability and resistance to chemicals. It is commonly used in the manufacturing of plastic padlock seals due to its strength and ability to withstand various environmental conditions.
High-Density Polyethylene (HDPE):
HDPE is another thermoplastic that is known for its strength, rigidity, and resistance to impact. It is often used in the production of plastic seals to enhance their toughness.
Acetal (Polyoxymethylene):
Acetal is a high-performance thermoplastic known for its strength, stiffness, and resistance to wear. It is sometimes used in the construction of plastic padlock seals to provide additional durability.
Nylon:
Nylon is a versatile synthetic polymer that offers good strength and durability. It is resistant to abrasion and impact, making it suitable for certain types of plastic padlock seals.
Polycarbonate:
Polycarbonate is a tough and transparent thermoplastic that provides excellent impact resistance. While it may not be as common as other materials, it is occasionally used for specific applications where transparency is desirable.
Stainless Steel or Galvanized Steel:
While the body of plastic padlock seals is primarily made of plastic, the shackle or locking mechanism may be reinforced with stainless steel or galvanized steel for added strength and resistance to cutting.
Applications of padlock seal
Cargo and transportation
Cargo transporters often use padlock seals to secure shipping containers, trucks, and trailers. This helps them to ensure that the contents are secure and protected from tampering. Additionally, the seals often have heat stamp for tracking purposes during logistics operations.
Oil and gas industry
The oil and gas industries deal with volatile cargo. That is why they use padlock seals to secure valves, pipelines, and equipment. These seals prevent unauthorized access as well as safeguard the safety and integrity of assets. This practice has also made regular valving and pipeline maintenance easier.
Agriculture
Farmers use these seals on grain bins, silos, and other storage facilities. They protect agricultural products like grains and chemicals from theft or contamination. Padlock seals also help maintain quality by ensuring that only authorized personnel can access these critical storage areas.
Pharmaceuticals
For example, in pharmaceuticals, users apply these seals to ensure the integrity of drug shipments and storage. They provide evidence of tampering during transport and storage. No wonder many pharmaceutical companies consider them essential for regulatory compliance.
Event management
Seals help event organizers keep unauthorized access away from restricted areas. They use them on VIP areas, equipment storage, and ticketing controls. This application protects assets and enhances the overall event security framework.
Railroad industry
People in this industry also uses padlock seal containers. They apply them to seal railcars, freight cars, and intermodal containers. The seals prevent unauthorized entry, protect cargo, and promote accountability across the delivery chain. They even help in tracking and tracing shipments.

Packaging
- Standard Packaging: 1,000/Box – 5,000/Carton
- Carton Dimensions: 41" x 14" x 11" (102.5cm x 35cm x 28cm)
- Carton Weight: Gross: 58 lbs (26 kg) Net: 53 lbs (24 kg)
Certificate



FAQ
As one of the leading padlock seal manufacturers and suppliers in China, we warmly welcome you to buy high-grade padlock seal for sale here from our factory. All our products are with high quality and competitive price.
Numbered Security Plastic Padlock Seals, Plastic Padlock Security Seals, Plastic Padlock Wire Seals
