Clear Round Acrylic Tube — OD 8–20mm × 250mm | Perspex Hollow Pipe for Candles & DIY

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Sale price$2.28 USD
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In stock (500 units), ready to be shipped

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Description

Clear Round Acrylic Tube — Gloss Transparent Hollow Pipe for Candles, Crafts & DIY Displays

Whether you're casting pillar candles, building a display stand, or prototyping a custom enclosure, finding a tube that's truly clear — not hazy, not scratched — makes all the difference. These clear round acrylic tubes are made from PMMA (polymethyl methacrylate), the same material used in optical-grade displays, giving you a glass-like transparency without the weight or fragility of actual glass. DIYers, crafters, and small-batch candle makers who need a reliable, consistent hollow tube will find these a practical go-to.

Each tube measures 250mm (≈9.8") in length with an outer diameter (OD) ranging from 8mm (≈5/16") to 20mm (≈25/32"), available in seven sizes. The gloss finish is smooth on the exterior and interior. Wall thickness varies by diameter — contact us to confirm before ordering if your project requires a specific inner diameter. Quantities are available in 1, 2, 5, 10, or 20 pieces per order.

Typical use cases include: clear acrylic candle molds for pillar and column candles, transparent display tubes for jewelry or small collectibles, lightweight structural spacers in model-making and robotics, and protective sleeves for LED strip lighting in craft and signage projects.

ℹ️ Compatibility Note: These tubes use metric OD sizing (8 mm – 20 mm). Verify your required inner diameter before ordering, as wall thickness varies by size. Not rated for pressure or structural load-bearing applications.
⚠️ Candle Making: Do not pour wax exceeding approximately 80 °C (176 °F) directly into the tube. Allow wax to cool slightly before pouring to protect the acrylic surface.

✅ Key Features of These Clear Round Acrylic Tubes

  • 🔍Optical-Grade Clarity — PMMA material delivers glass-like transparency, making these tubes ideal for clear acrylic candle molds and display applications where visibility matters.
  • 📏Seven OD Options in One Listing — Choose from 8 mm through 20 mm outer diameters, all cut to a consistent 250 mm (≈9.8") length, so you can match the exact size your project calls for.
  • ✂️Easy to Cut & Shape — Acrylic scores and cuts cleanly with a fine-tooth saw or scoring knife, letting you trim to custom lengths without specialist tools.
  • ⚖️Lightweight & Shatter-Resistant vs. Glass — Significantly lighter than borosilicate glass tubes of the same diameter, reducing shipping weight and handling risk in workshop and craft environments.
  • Gloss Exterior Finish — The smooth, polished outer surface requires no additional finishing for decorative hollow plastic pipe applications such as floral arrangements, LED diffusers, or retail display props.
  • 📦Flexible Quantity Tiers — Order as few as 1 piece to test fit, or buy in packs of 2, 5, 10, or 20 for batch candle production or multi-unit craft projects — no minimum order commitment.

📐 Technical Specifications — Clear Round Acrylic Hollow Tube

Material PMMA Acrylic (Perspex-type)
Finish Gloss / High-Polish Transparent
Color Crystal Clear
Outer Diameter (OD) 8 mm (≈5/16"), 10 mm (≈3/8"), 12 mm (≈15/32"), 14 mm (≈9/16"), 16 mm (≈5/8"), 18 mm (≈23/32"), 20 mm (≈25/32")
Length 250 mm (≈9.8")
Wall Thickness See variant options — contact us to confirm
Inner Diameter (ID) See variant options — contact us to confirm
Max Recommended Temp. Typically up to ~80 °C (176 °F) for short-term exposure
UV Resistance Moderate — suitable for indoor use; outdoor use may require UV coating
Quantity Options 1 / 2 / 5 / 10 / 20 pcs per order
Application Candle molds, display tubes, LED diffusers, model-making, craft projects
Load Rating Light-duty decorative use only — contact us to confirm

❓ Frequently Asked Questions

How do I choose the right outer diameter for my project?

Measure the opening or cavity your tube needs to fit into, then select an OD that is slightly smaller. For candle molds, the OD typically determines the finished candle diameter. Available sizes range from 8 mm (≈5/16") to 20 mm (≈25/32") in this listing. When in doubt, order one piece first to test the fit before buying in bulk.

What is the wall thickness of these acrylic tubes?

Wall thickness is not printed on the listing because it varies by diameter. Acrylic round tubes in this OD range typically have walls of 1–2 mm. Please contact us to confirm the exact wall thickness for your chosen size before ordering.

Can these tubes be used outdoors?

Acrylic (PMMA) is generally UV-resistant and handles moderate outdoor exposure well. However, prolonged direct sunlight may cause slight yellowing over time. For long-term outdoor installations, consider adding a UV-protective coating.

How do I cut these tubes to a shorter length?

A fine-tooth saw, acrylic scoring knife, or pipe cutter designed for plastic works well. Score slowly and support the tube on both sides of the cut to prevent cracking. Sanding the cut edge with 400-grit sandpaper will produce a smooth, clear finish.

Are these tubes compatible with standard candle wicks and wax?

Yes, in most cases. These clear acrylic tubes are commonly used as candle molds. They are compatible with soy wax, paraffin, and beeswax at typical pouring temperatures (generally below 80 °C / 176 °F). Avoid pouring wax that exceeds the safe temperature threshold for acrylic.

What is the load-bearing or pressure capacity of these tubes?

These tubes are intended for light-duty decorative and craft applications, not structural or pressure-bearing use. Acrylic tubing in this size range can typically support light static loads, but specific load ratings depend on wall thickness and application. Contact us if you need load specifications for your project.

Can I glue or bond these tubes to other materials?

Yes. Acrylic cement (solvent-based adhesive) creates the strongest bond between acrylic pieces. For bonding to other materials such as wood or metal, a clear epoxy or cyanoacrylate (super glue) generally works well. Avoid acetone-based products that may cloud the surface.

🛒 Select your OD size and quantity above, then add to cart — ships from our US warehouse.

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