Best Kemtech in 2026

LAB GRADE GLASS - Made with Borosilicate Glass(Pyrex) Annealed at 1050 F Degrees to remove any stress from the glassware. This will make the glass stronger than poorly annealed or stressed glass.

50mm DIAMETER / 2.0 INCH x 8 INCH LONG - The extra wide tube has more volume than other smaller tubes allowing more material to contained inside the tube. This will reduce the amount of runs needed to process all your material.

MADE IN USA - Proudly Hand blown here in Southern California, accept no substitutes. Don't risk your material by saving a few dollars.

12" Borosilicate Glass Blowing Tubing 5 Clear Tubes 12mm OD 2mm Thick Wall Tube

8 In Long 10 Piece Premium Glass Tubes

Great Glass Borosilicate Blowing Tubes.

If you are not satisfied with the product, we can refund your money fully and unconditionally.

10 Devardi Glass Clear COE 33 Boro Tubes.

Lengths - 11 to 12 inches, 8mm OD x 1.5mm Wall, 12mm x 1.5mm, 16 x 1.8mm

Must use propane/oxygen Torch. Will not melt with propane only torch. Not to be mixed with COE 104 (soft glass)

Made in Glass

Model Number: GBT001

Item Package Dimension: 14.5" L x 3.0" W x 2.25" H

Higth Quality Borosilicate Glass Tubes

Open & Fire Polished On Both Ends For Safe Handling

Withstand High Temperature 1,150 Degrees Celsius 2,102 Degrees Fahrenheit

【Superior Material】 This glass tubing is made of borosilicate glass, lead-free, which is glittering and translucent. The heat resistance, water resistance, shatter resistance and other properties are stronger than ordinary glass. 

【High Temperature Resistance】 The glass tube is well-made, which is heat, thermal shock resistant and chemically stable. Also, it can be reused.

【Extended Size】 The package includes 12 glass blowing tubes, 12" length, 8mm OD, 1.1mm wall thickness.

Pack of 10 glass tubing. Borosilicate glass.

Length: 12". Out diameter: 12mm. Wall thickness: 1.1 mm.

Inner diameter: 9.8mm.

Set of 6 uniquely shaped glass delivery tubes

1mm thick borosilicate glass

Internal diameter is 4mm

【STURDY AND DURABLE】-The glass tubes are made of borosilicate glass，strong and unbreakable, eco-friendly, lead-free and stable material.

【HIGH TEMPERATURE RESISTANT】-The industrial glass tubes are higher temperature resistance, reusable, hot and cold Resistance.

【SPECIFICATIONS AND DIMENSIONS】-12Pcs borosilicate glass tubes Length: 12 inch / 30 cm. Out diameter: 3 inch / 8mm. Wall thickness: 1.1mm.

This product is highly durable

Easy to use

This product is manufactured in United States

Package contains: 10pcs 4 inches long 12mm OD 8mm ID 2mm thick wall glass tubes.

Strong and Durable: The glass tubes are made of borosilicate glass, they are strong and unbreakable, eco-friendly, Microwave & Dishwasher Safe.

Withstand High Temperature 1,150 Degrees Celsius, Open & Fire Polished On Both Ends For Safe Handling.

8 Inches Long / 10mm OD / 7mm ID / 1.5mm thickness

12 pieces in total: 2 piece black, 2 piece gray, 2 Piece blue, 2 Piece green, 2 Piece yellow, 2 Piece clear

Made of borosilicate glass, high temperature resistant and unbreakable, surface and both ends very smooth

Pack of 10/20

Borosilicate Glass Blowing Tube

This glass tubing is made of borosilicate glass, lead-free, which is glittering and translucent. The heat resistance, water resistance, shatter resistance and other properties are stronger than ordinary glass. 

10 pack of borosilicate glass tubes

20" length

.25" (6mm) external diameter

[Material]: The glass tube is made of borosilicate glass, the tube ends are fire polished, which is strong and lightweight

[Size]: Length: 4 inches, 12 mm OD 2 mm thick

[Weight]: 2.5 ounces

ASTM E438 type 1 class B glass

Caps included

Wilmad-LabGlass is a leading manufacturer of NMR and EPR sample tubes and accessories, a diverse line of Laboratory Glassware and Scientific Equipment, as well as Precision Engineered Glass, OEM Quartz components and assemblies. Our goal has always been to provide you with superior service, support and technical know-how. In addition, we offer select glass repair services to maximize the life of your laboratory items. Limited 90-day warranty included. Scientists rely on the expertise and artistic skills of Wilmad-LabGlass' engineers and glass specialists to manufacture NMR and EPR consumables and laboratory glassware of the highest quality. Used daily in academia, healthcare and chemical, petroleum and other industrial applications, Wilmad offers 7000+ items as part of their standard catalog as well as custom fabrication for individual glassware, glass repair services and OEM glass parts.

8 Inches Long / 12mm OD / 9mm ID / 1.5mm thickness

12 pieces clear glass tubes

Made of borosilicate glass, high temperature resistant and unbreakable, surface and both ends very smooth

4 Inches Long / 10mm OD / 7mm ID / 1.5mm thickness

12 pieces clear glass tubes

Made of borosilicate glass, high temperature resistant and unbreakable, surface and both ends very smooth

NMR tube washer

For 5 mm NMR tube

24/40 standard taper joint

Camber and concentricity values listed are the total indicator reading (tir)

Designed for routine use in most low to mid field nmr spectrometers

Borosilicate glass hose connecting units are used to connect to apparatus with GL14 or GL18 thread sizes. Complete connecting unit consists of connector - either straight or bent - and cap with hole in center. Limited 90-day warranty included. Scientists rely on the expertise and artistic skills of Wilmad-LabGlass' engineers and glass specialists to manufacture NMR and EPR consumables and laboratory glassware of the highest quality. Used daily in academia, healthcare and chemical, petroleum and other industrial applications, Wilmad offers 7000+ items as part of their standard catalog as well as custom fabrication for individual glassware, glass repair services and OEM glass parts.

100 MHz

Caps included

Economy grade

Beads Lab Boiling Stones, Fine workmanship and appearance ensure its popularity and practicality. round clear glass ball

Clear Glass Beads, made of non- alkaline soda- lime glass material, which has good stability and will not pollute the processed metal. round glass boiling stones

Clear Glass Boiling Stones, Can speeds up the cleaning, while maintaining the processing accuracy of the original object. glass boiling stones beads