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Molex sets the standard for high-purity capillary tubing, optical fibers and fiber bundle technologies.
By choosing from more than 75 standard Polymicro tubing options with a wide range of internal diameters and tight tolerances, you can customize a complete capillary tubing assembly with uncompromising performance. Molex Polymicro capillary tubing starts with high-purity synthetic fused silica and thermally stable polyimide, resulting in high strength and abrasion resistant products. Molex capillary tubing ensures consistent results, even in harsh applications.

Within our optical fiber space, you can choose from a broad range of fibers covering spectral and power requirements. Our optical fiber delivers dimensional control and tight tolerances that are designed to withstand harsh-temperature, chemical or radiation environments each time they are in use.
Molex Polymicro products have provided solutions for analytical instrumentation and spectroscopy applications, while also serving industrial and medical markets. Discover why Molex is the world leader in capillary tubing, optical fibers and fiber bundle technologies — explore our solutions today.