Your Trusted Manufacturing Partner for Flexible Tubing Solutions

Specialty polymer and heat shrink tubing for manufacturers
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Why Choose Grayline?

01
Exceptional Customer Service
Experience rapid response times and personalized assistance from our dedicated team. At Grayline, you’ll always speak to a human who understands your needs and ensures quick, effective solutions tailored to your projects.
02
Expert Engineering Support
Our knowledgeable engineering team is here to help you align your specific requirements with our capabilities. They offer expert guidance to create custom solutions with extensive size combinations, limitless color options, and a wide range of materials, often making custom sizes almost as economical as stock options.
03
High-Quality, Reliable Products
Quality is at the core of everything we do. With over 50 years of successful supply to the automotive industry and continuous ISO certification for more than 20 years, you can trust Grayline for consistently high-quality products that meet your stringent specifications.
04
Efficient and Agile Manufacturing
Benefit from our streamlined manufacturing processes that ensure short lead times and efficient production. Our operations are focused on delivering value to your company, ensuring your projects stay on schedule and within budget.
A man working on a computer
A man working on a computer and plastic tube
A bunch of plastic tubes
ndustrial machinery with large spools of cable, belts, and levers in a factory setting. The "Grayline Inc." logo is visible on one of the spools.
A man working on a computer
01
Exceptional Customer Service
Experience rapid response times and personalized assistance from our dedicated team. At Grayline, you’ll always speak to a human who understands your needs and ensures quick, effective solutions tailored to your projects.
A man working on a computer and plastic tube
02
Expert Engineering Support
Our knowledgeable engineering team is here to help you align your specific requirements with our capabilities. They offer expert guidance to create custom solutions with extensive size combinations, limitless color options, and a wide range of materials, often making custom sizes almost as economical as stock options.
A bunch of plastic tubes
03
High-Quality, Reliable Products
Quality is at the core of everything we do. With over 50 years of successful supply to the automotive industry and continuous ISO certification for more than 20 years, you can trust Grayline for consistently high-quality products that meet your stringent specifications.
ndustrial machinery with large spools of cable, belts, and levers in a factory setting. The "Grayline Inc." logo is visible on one of the spools.
04
Efficient and Agile Manufacturing
Benefit from our streamlined manufacturing processes that ensure short lead times and efficient production. Our operations are focused on delivering value to your company, ensuring your projects stay on schedule and within budget.

Customized Solutions to Meet Your Specific Requirements

Need a unique solution for your project? Let us create a custom option for you. Our knowledgeable engineering team excels in rapid prototyping, enabling us to quickly develop and test custom solutions. With thousands of size combinations available from .02" ID to 1.6" using in-stock tooling, limitless color options, and hundreds of different materials in stock, we can meet your exact specifications.

Here are ways we can customize your tubing:
Woman cutting rubber tubing
Tube Cutting
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Custom coloring
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Tube printing
A bunch of wire with different colors
Heat-Formed Tubing
A bunch of plastic tubes
ribbed and custom
profile tubing
Bunch of rubber tubing
Thermal tube bonding
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Industries We Serve

Aerospace
Lightweight, heat-resistant tubing to protect critical systems and ensure reliable performance in demanding aerospace environments.
Appliances
Flexible tubing and heat shrink to insulate wires and provide efficient fluid control in appliances, meeting stringent safety standards.
Automotive
Durable tubing and heat shrink solutions built to specifications as required by most major automotive companies.
Industrial/Commercial Equipment
Reliable tubing for efficient operation, supporting fluid and gas transfer in industrial and commercial machinery.
Medical
Medical-grade tubing to deliver precision and sterility, meeting stringent healthcare standards.
Leisure Equipment
Tubing and heat shrink solutions that enhance the durability and aesthetic appeal of leisure equipment while protecting components effectively.
Large aircraft engine with its casing partially open, revealing intricate internal components and machinery.
Washing machines in various stages of assembly moving along a conveyor belt in a factory setting.
Close-up of a shiny chrome Edelbrock carburetor with air filter on top, surrounded by various hoses and wires in a car engine compartment.
Row of large plastic water bottles being filled from a series of faucets on a stainless steel counter.
Hand of a nurse holding a bunch of medical tubes
Assortment of plastic tubes in various colors and sizes, including green, yellow, orange, red, and pink, arranged in a row on a white background.

Industries We Serve

Aerospace
Lightweight, heat-resistant tubing to protect critical systems and ensure reliable performance in demanding aerospace environments.
Large aircraft engine with its casing partially open, revealing intricate internal components and machinery.
Appliances
Flexible tubing and heat shrink to insulate wires and provide efficient fluid control in appliances, meeting stringent safety standards.
Washing machines in various stages of assembly moving along a conveyor belt in a factory setting.
Automotive
Durable tubing and heat shrink solutions built to specifications as required by most major automotive companies.
Close-up of a shiny chrome Edelbrock carburetor with air filter on top, surrounded by various hoses and wires in a car engine compartment.
Industrial/Commercial Equipment
Reliable tubing for efficient operation, supporting fluid and gas transfer in industrial and commercial machinery.
Row of large plastic water bottles being filled from a series of faucets on a stainless steel counter.
Medical
Medical-grade tubing to deliver precision and sterility, meeting stringent healthcare standards.
Hand of a nurse holding a bunch of medical tubes
Leisure Equipment
Tubing and heat shrink solutions that enhance the durability and aesthetic appeal of leisure equipment while protecting components effectively.
Assortment of plastic tubes in various colors and sizes, including green, yellow, orange, red, and pink, arranged in a row on a white background.

Learn More About Tubing

Educational resources and guides
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Tubing Basics

Learn the foundational aspects of tubing selection and application.

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guides

Access in-depth guides for choosing the right tubing solutions.

Learn More
A clear plastic tube curved into a U-shape, resting on top of a chemical diagram with black text on a white background.

About Grayline

Grayline LLC has been your trusted source for specialty flexible tubing for over 50 years. We provide quality tubing with fast delivery and support. Our custom solutions are designed to meet your specific needs, delivering reliable performance that keeps you ahead of the competition.
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FAQs

What types of tubing customization can Grayline provide?
How do I request a quote for custom tubing solutions?
What industries does Grayline serve?
Can Grayline provide samples of custom tubing?
How does Grayline ensure the quality of its tubing products?
Grayline LLC has been your trusted source for specialty flexible tubing for over 50 years. We provide quality tubing with fast delivery and support. Our custom solutions are designed to meet your specific needs, delivering reliable performance that keeps you ahead of the competition.
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