Linde Polymer Tec Co.,Ltd

Introduction to watch O-rings

Jan 23, 2025 Leave a message

watch O-rings Description

 

Watch O-ring (O-ring) is a kind of sealing ring with a circular cross-section, which is mainly used for the waterproof and dustproof function of the watch. Here's a closer look at watch o-rings:

 

Function

Waterproof sealing: The O-ring is installed on the crown, glass, case back and other parts of the watch, and is sealed by compression deformation to prevent moisture from entering the inside of the watch.

Dust sealing: In addition to being waterproof, O-rings can effectively block dust and other fine particles from entering the inside of the watch, protecting the normal operation of the movement.

 

Material

The material of the watch o-ring usually needs to have good elasticity, aging resistance, and temperature resistance. Common materials include:

Natural rubber (NR): Good elasticity, but poor oil and heat resistance.

Nitrile rubber (NBR): has good oil resistance and abrasion resistance, and is suitable for a variety of environments.

Silicone rubber (VMQ): Excellent temperature resistance, suitable for high or low-temperature environments.

Fluoroelastomer (FKM): High temperature and chemical resistance, suitable for high-end watches.

 

Watch-O-rings

 

Common brands

Taiwan WKF Taifu: A brand specializing in the production of o-rings, products covering a variety of materials and standards.

NOK: Known for its high-quality seals, it is widely used in electronic equipment and high-end machinery.

DuPont USA: Its Kalrez brand o-rings are known for their high temperature and chemical resistance.

Linde Polymer: Specializing in high-precision seals, providing high-end sealing solutions for the automotive and mechanical engineering industries.

 

Maintenance & Replacement

O-rings can deteriorate or deform due to long-term use, resulting in a decrease in sealing performance. It is advisable to check and replace the O-rings regularly to ensure the waterproof performance of the watch.

When replacing an O-ring, it is important to choose the appropriate material and size to avoid seal failure due to improper installation.

If you need to know more about the specific material or brand of the watch O-ring, you can choose according to the use environment and needs of the watch.