Clear Silicone Tubing – Flexible High-Temp Silicone Hose, 2mm–50mm ID

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Clear Silicone Tubing – Flexible High-Temp Silicone Hose, 2mm–50mm ID

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By HomeDIYer®

Diameter: 2mm ID x 4mm OD

Length: 10m

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$7.63 USD

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In stock (500 units), ready to be shipped

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Clear Silicone Tubing That Handles Heat, Chemicals, and Tight Spaces — Without Cracking or Kinking

If you've ever had a rubber or PVC hose crack under heat, stiffen in cold weather, or leave a chemical taste in your brew line, you already know the frustration. DIYers, homebrewers, lab technicians, and automotive enthusiasts who need a reliable flexible hose solution turn to clear silicone tubing because it stays pliable across a wide temperature range and doesn't degrade the way standard rubber does.

Each piece of clear silicone tubing is cut from food-grade silicone rubber stock. Inner diameters range from 2mm (≈5/64") up to 50mm (≈1-31/32"), with outer diameters sized to give wall thicknesses typically between 1mm and 5mm depending on the variant. Lengths are available in 1m (≈3.3 ft), 5m (≈16.4 ft), and 10m (≈32.8 ft) cuts. A small number of variants feature a flat (Flat) cross-section profile suited for peristaltic pump and space-constrained routing applications. One grey-tinted variant (3.5mm ID x 7mm OD) is also available for applications where color coding is useful.

Typical use cases include homebrewing and winemaking transfer lines, aquarium and pond pump connections, automotive coolant overflow hose replacement, laboratory fluid handling, and DIY air compressor or vacuum line routing — all situations where a flexible high-temp silicone hose that won't impart odor or taste is the right call.

🔗 Compatibility Note: Select your Inner Diameter (ID) to match the outer diameter of your barb fitting or nipple. The tubing stretches slightly, so a snug fit is normal. Flat profile variants are labeled "(Flat)" in the size selector — confirm your application suits a non-round cross-section before ordering.

✅ Key Features of These Clear Silicone Hose Tubes

🌡️Wide Temperature Tolerance — Rated for continuous use from approximately -60°C to 200°C (-76°F to 392°F), making this flexible high-temp silicone hose suitable for hot-water lines, engine coolant overflow, and steam-adjacent applications.
🔍Full Transparency — The clear silicone construction lets you visually monitor flow, detect air bubbles, and confirm liquid color — a practical advantage in brewing, lab, and medical-adjacent setups.
🍺Food-Grade Silicone Material — Made from silicone rubber that is generally BPA-free and odor-neutral, this clear silicone food-grade tubing won't impart taste or smell to beer, wine, juice, or other consumables.
⚗️Chemical Resistance — Silicone resists dilute acids, alkalis, and many solvents better than standard rubber tubing, making it a dependable choice for laboratory fluid transfer and chemical dosing lines.
📐Broad Size Range — 2mm to 50mm ID — With over 80 diameter-and-length combinations, you can find the exact silicone tube size for aquarium pumps, air lines, coolant hoses, or large-bore industrial fittings without adapters.
✂️Easy to Cut and Install — Soft, flexible silicone cuts cleanly with a utility knife and slides onto barb fittings without tools. No adhesive or special primer needed for push-on connections.

📐 Technical Specifications — Clear Silicone Rubber Tubing

Material	Clear silicone rubber (food-grade grade silicone)
Color	Clear (transparent); one grey variant: 3.5mm ID x 7mm OD
Inner Diameter (ID) Range	2mm (≈5/64") – 50mm (≈1-31/32")
Outer Diameter (OD) Range	4mm (≈5/32") – 58mm (≈2-9/32")
Wall Thickness	Typically 1mm – 5mm depending on variant (see variant options)
Available Lengths	1m (≈3.3 ft), 5m (≈16.4 ft), 10m (≈32.8 ft)
Cross-Section Profile	Round (standard); Flat profile available on select large-bore sizes
Temperature Rating	Typically -60°C to 200°C (-76°F to 392°F) continuous
Pressure Rating	See variant options / Contact us to confirm for your application
Hardness (Shore A)	Typically 40–60 Shore A (soft and flexible)
UV / Ozone Resistance	Good — suitable for moderate outdoor exposure
Food Safety	Generally food-grade; contact us to confirm certification for your size
Country of Origin	China

⚠️ Size Tip: The ID listed is the inner bore diameter — this is the dimension that must match your fitting's barb OD. If you are unsure which size to order, measure your fitting with calipers and contact us before purchasing.

❓ Frequently Asked Questions

How do I choose the right inner diameter (ID) for my application?

Measure the outer diameter of the fitting or barb you plan to insert into the tube. The tubing ID should match or be very slightly smaller than that fitting OD for a snug, leak-resistant seal. For example, a 6mm barb fitting typically pairs with 6mm ID silicone tubing. When in doubt, size down — silicone stretches to accommodate fittings up to about 20% larger than the nominal ID.

What temperature range can this silicone tubing handle?

Clear silicone tubing generally withstands continuous temperatures from approximately -60°C (-76°F) up to 200°C (392°F), making it suitable for most hot-water, steam, and engine-cooling applications. Short-term peak exposure is typically rated slightly higher. Always verify your specific operating conditions before use in critical systems.

Is this silicone tubing safe for food and beverage contact?

Silicone is generally recognized as food-safe and is widely used in brewing, winemaking, and food processing. This tubing is made from clear silicone rubber that is typically free of BPA and phthalates. If your application requires FDA or NSF certification, please contact us to confirm compliance for your specific size.

Can I use this tubing outdoors or in UV-exposed environments?

Silicone rubber has good UV and ozone resistance compared to standard rubber or PVC tubing, making it a reasonable choice for outdoor use. However, prolonged direct UV exposure over many years may cause gradual surface degradation. For long-term outdoor installations, consider shielding the tubing or using an opaque silicone variant.

What fittings or hose clamps are compatible with this tubing?

This tubing is compatible with standard barb fittings (push-on style) in matching ID sizes. Worm-drive hose clamps or T-bolt clamps can be used for secure connections under pressure. For the Flat profile variants, confirm the clamp style suits the cross-section. Standard metric and imperial barb fittings both work — just match the barb OD to the tubing ID.

How do I cut silicone tubing cleanly to length?

Use a sharp utility knife or dedicated tubing cutter for the cleanest cut. Avoid scissors, which can compress and distort the tube wall. For larger diameters (20mm ID and above), a miter box or straight-edge guide helps ensure a square cut. Silicone does not fray or crack when cut correctly.

What is the difference between the standard round and Flat profile variants?

The standard round variants have a circular cross-section and are used for fluid transfer, pneumatics, and general hose applications. The Flat profile variants (e.g., 32mm ID x 38mm OD Flat) have a flattened wall geometry that allows them to collapse when not pressurized, which is useful in peristaltic pump applications or where space-saving routing is needed.

🛒 Select your diameter and length above, then add to cart — ships from our US warehouse.

Clear Silicone Tubing – Flexible High-Temp Silicone Hose, 2mm–50mm ID

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Description

Clear Silicone Tubing That Handles Heat, Chemicals, and Tight Spaces — Without Cracking or Kinking

✅ Key Features of These Clear Silicone Hose Tubes

📐 Technical Specifications — Clear Silicone Rubber Tubing

❓ Frequently Asked Questions

Clear Silicone Tubing – Flexible High-Temp Silicone Hose, 2mm–50mm ID

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