Best Kemtech in 2026

Caps included

100 MHz

Economy grade

Roland SP samplers are the bona fide kings of performance-based beatmaking.

Carefully refined through community feedback and extensive research and development, the SP-404MKII is the ultimate SP sampler.

Faster and better than ever, with a vivid OLED display, expressive new pads, expanded effects, fluid sequencing and sampling, and a massive library of authentic sounds to inspire your music.

🧪 TUBE MATERIAL: These 15mL centrifuge tubes are made in high purity PP Material. They are designed to have longer length screw caps with sealing rings to prevent leakage. Pack of 50.

🧪 EASY TO DISTINGUISH: Plastic centrifuge tubes also include a convenient white writing patch for easy marking and identification. The patches are nice for labeling. And the test clear conical tubes with screw caps.

🧪 EASY TO READ: Black graduations of plastic centrifuge tubes are accurate to ±2%, 1mL increments (total 15mL). So these lab centrifuge tubes are better for science experiments.

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.

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

30% Thicker Wall than Any Competitors' Product

ASTM E438 Type 1 Class B Glass

Gurantee Tight Fit in Spinner Turbine

Fits all 5mm O.D. NMR tubes

Assorted colors help track different samples

Colors included, Black, Blue, Green, Orange, Purple, and White

Premium glass tubing cutter

Nickel plated, spring loaded

Fitted with steel wheel

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

<br>Cryovials are made of PP. Can be repeatedly frozen and thawed

<br>Internal thread cap type

<br>DNase & RNase free

NMR tube washer

For 5 mm NMR tube

24/40 standard taper joint

Quantity and Size: you will receive a total of 2000 microcentrifuge vials tubes with snap cover; The capacity of the centrifuge test tubes is about 0.068 oz/ 2 ml, the outer diameter is 0.41 inches, the inner diameter is 0.37 inches, the total length is 1.67 inches, and the outer length of the tube wall is 1.61 inches; The number of small centrifuge tubes is sufficient and the size is small, which can meet your daily experimental needs

Trustworthy Quality: the microcentrifuge vials tubes are made of quality polypropylene material, waterproof, unbreakable, not easy to break or deform, reusable at home or in the laboratory, and can be applied repeatedly for a long time

Thoughtful Design: 2ml microcentrifuge tubes are designed with a round bottom and a cover, convenient to open and close so that it is not easy to leak and drip when you use it, and has good airtightness, the lid can be easily opened even with gloves

Precision 5mm OD NMR Sample Tube with caps, Pack of 100pcs

Concentricity +- 0.010mm, camber +- 0.035mm, wall 0.43 mm

178mm (7") long, MHz rating 300-600, Non-spin MHz

With Caps

7" Length

100 MHz