Updated: 04 Jul 2025

10 Best test tubes 20mms of 2025

Updated: 04 Jul 2025

#1

Best Choice

AcbbMNS 2pcs Acrylic Clear Plastic Tube Round Pipe 20mm OD 2mm Wall 100cm Length

9.9

AcbbMNS

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Main highlights

Specification: Outer diameter 20mm; wall 2mm; length 100cm, package included 2pcs.

High Quality: Acrylic is a lightweight, tough plastic that offers transparency similar to that of glass. Durable acrylic material reused over and over.

Clear Acrylic Tubing: Made from high quality acrylic, great clarity.
#2

Best Value

uxcell PVC Rigid Round Pipe 20mm ID 25mm OD 300mm Transparent High Transparency for Water Pipe,Crafts,Display Racks

9.8

uxcell

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Main highlights

Round pipe, is in size of : 20mm/0.79-inch inner dia, 25mm/0.98-inch outer dia, 0.3 m/12-inch total length

PVC rigid pipes are mainly in water pipes. The pipe is transparent, beautiful and has high visibility. When making a water pipe, it is convenient to clearly observe the flow of liquid in the pipe. The pipes are also widely used in DIY, display racks, lamps, cable sleeves, etc.

PVC material, smooth surface and uniform pipe wall; High impact resistance and easy processing; With good electrical insulation, it can be used as cable sleeve to protect and tidy electrical wires
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#3

uxcell Brass Round Tube 20mm OD 1mm Wall Thickness 200mm Length Pipe Tubing

9.6

uxcell

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Main highlights

[SIZE] - Outer Diameter: 20mm / 0.79-inch; Wall Thickness: 1mm / 0.04-inch; Total Length: 200mm / 7.87-inch.

[MATERIAL] - Made of brass for high strength, weldability, corrosion resistance and long-lasting durability.

[APPLICATIONS] - Commonly used in DIY projects, hobbies, crafts, building models, building decorations, frames, industrial, mechanical components, gardening products and so on.
#4

TEN-HIGH Flexible Silicone Hose Silicone Tube,2M 15mm ID x 20mm OD, Wall Thickness 2.5mm, Water Air Hose Pipe

9.4

TEN-HIGH

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Main highlights

（3）main color: translucent;become white after being stressed

（2）Range of temperature resistance： -60℃to200℃

（1）Product name: silicone tubing; material: silicone; hardness(shore a): 60;
#5

uxcell 1.6m Length 20mm Dia 35mm Flat Width Heat Shrink Tubing Tube Sleeving Wrap Wire

9.3

uxcell

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Main highlights

Temperature Level: 125C; Flat Width: 35mm/1.37"; Detail Images: d01

Shrinkage rate: 2:1; Length (Approx): 1.6m/5.25ft; Diameter: 20mm /0.8inch(Before ) 10mm/0.4inch(After)

Product Name: Heat Shrink Tubing; Country of Manufacture: CHINA; Brand: Assisi
#6

uxcell 1-Pack 300mm Brass Round Tube, 20mm OD 1mm Wall Thickness H62 Brass Seamless Tubing for Construction/Machining/DIY Crafting, Metal Straight Pipe [0.78x0.04x11.81IN]

9.2

uxcell

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Main highlights

[Size & Package] - Length: 300 mm/11.81 inch; Wall Thickness: 1 mm/0.04 inch; Outer Dia.: 20 mm/ 0.78 inch; Package Includes: 1Pcs x Brass Round Tubes

[Multipurpose Use] - Good for industrial applications such as construction, manufacturing, machining, and structural, providing reliability and versatility. This seamless brass pipe is also suited for outdoor gardening, DIY projects, wind chimes, architectural models, etc.

[Durable Brass Tube] - Made from H62 brass with 62% copper and 38% zinc content, this round tube offers high strength, excellent mechanical properties, corrosion resistance, good lubricity, and durability for various applications
#7

uxcell 6063 Aluminum Round Tube 20mm OD 17.6mm Inner Dia 300mm Length Pipe Tubing 2 Pcs

9.1

uxcell

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Main highlights

[T5 Temper] - T5 temper with heat treated and artificially aged for increasing strength and meeting standard mechanical property requirements.

[Seamless Construction] - Smooth surface without a seam and is available in mechanical structural components for precision applications.

[Material] - 6063 aluminum with medium strength, good processing performance, corrosion resistance, high toughness, weldability, long-lasting durability and processing is not easy to deform.
#8

uxcell 6063 Aluminum Round Tube, 300mm Length 20mm OD 16mm Inner Dia Seamless Aluminum Straight Tubing

8.9

uxcell

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Main highlights

[T5 Temper] - T5 temper with heat treated and artificially aged for increasing strength and meeting standard mechanical property requirements.

[Seamless Construction] - Smooth surface without a seam and is available in mechanical structural components for precision applications.

[Material] - 6063 aluminum with medium strength, good processing performance, corrosion resistance, high toughness, weldability, long-lasting durability and processing is not easy to deform.
#9

uxcell Acrylic Pipe Clear Rigid Round Plastic Tube 20mm ID 24mm OD 10" for Lamps and Lanterns, Water Cooling System

8.8

uxcell

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Main highlights

With high transparency, transparent acrylic tube has strong light transmittance when used in lamps and lanterns. When it is used for liquid transportation, the flow of liquid in the tube can also be clearly seen. Transparent PMMA tube is widely used for lamps and lanterns, water cooling system, building materials, handicrafts, DIY, and so on.

The acrylic plastic tubing, is in size of : 20mm/ 0.79 inch inner dia, 24mm/ 0.95 inch outer dia, 25cm/10-inch total length

Round PMMA tube made in PMMA material, durable and long service life; High transparency, high light transmission; Round Tubing has very high impact resistance
#10

Stainless Steel Tube 304 Stainless Steel Precision Tube, Outer Diameter 6~20mm Inner Diameter 4mm~18mm 250mm Long Metal Steel Pipe, 1pcs (Color : Length 250mm, Size : OD15mm x ID10mm)(OD8mm x ID7.5mm)

8.7

WebeRt

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Main highlights

Steel pipe size: Outer diameter: 6mm~20mm(optional); Inner Diameter: 4mm~18mm(optional); Length: 250mm;

Steel pipe material: 304 Stainless steel; 304 Stainless steels with resist corrosion and oxidation, to resist high temperatures, easily clean.

Product use: petroleum, electronics, chemical, pharmaceutical, textile, food, machinery and some home decoration other industries!

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10 Best test tubes 20mms of 2025

AcbbMNS 2pcs Acrylic Clear Plastic Tube Round Pipe 20mm OD 2mm Wall 100cm Length

9.9

Main highlights

uxcell PVC Rigid Round Pipe 20mm ID 25mm OD 300mm Transparent High Transparency for Water Pipe,Crafts,Display Racks

9.8

Main highlights

uxcell Brass Round Tube 20mm OD 1mm Wall Thickness 200mm Length Pipe Tubing

9.6

Main highlights

TEN-HIGH Flexible Silicone Hose Silicone Tube,2M 15mm ID x 20mm OD, Wall Thickness 2.5mm, Water Air Hose Pipe

9.4

Main highlights

uxcell 1.6m Length 20mm Dia 35mm Flat Width Heat Shrink Tubing Tube Sleeving Wrap Wire

9.3

Main highlights

uxcell 1-Pack 300mm Brass Round Tube, 20mm OD 1mm Wall Thickness H62 Brass Seamless Tubing for Construction/Machining/DIY Crafting, Metal Straight Pipe [0.78x0.04x11.81IN]

9.2

Main highlights

uxcell 6063 Aluminum Round Tube 20mm OD 17.6mm Inner Dia 300mm Length Pipe Tubing 2 Pcs

9.1

Main highlights

uxcell 6063 Aluminum Round Tube, 300mm Length 20mm OD 16mm Inner Dia Seamless Aluminum Straight Tubing

8.9

Main highlights

uxcell Acrylic Pipe Clear Rigid Round Plastic Tube 20mm ID 24mm OD 10" for Lamps and Lanterns, Water Cooling System

8.8

Main highlights

Stainless Steel Tube 304 Stainless Steel Precision Tube, Outer Diameter 6~20mm Inner Diameter 4mm~18mm 250mm Long Metal Steel Pipe, 1pcs (Color : Length 250mm, Size : OD15mm x ID10mm)(OD8mm x ID7.5mm)

8.7

Main highlights

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