Best Borosilicate Tube

20PCS 40ml Glass Test Tubes with Cork Stoppers,20×180mm Round Bottom Test Tube for Scientific Tests,Candy,Bath Salt,Cultivated Plants

Product Content:20pcs 40ml cork stopper round bottom glass test tubes..
Capacity:40ml.Tube size:20×180mm.Clear test tube length:17.8cm/7in.The INNER diameter of tube is 0.7in..
Usage:Glass test tube can be used to store candy,granular food materials,liquid,sample,powder or cultivated plants.The transparent test tube is suitable for various scientific tests..
Material:Glass test tubes can be heated.Test tubes are made of borosilicate glass..
Features:The cork has a good seal and the cork stopper test tubes can be used repeatedly after cleaning..

Liebig condenser used for distillation applications has straight inner tube that increases surface area for cooling the condensed liquid for high-speed condensing.
Borosilicate glass for clarity, strength, and heat- and chemical-resistance.
Inlet and outlet tubes are on opposite sides of the tube.

GLASS CENTRIFUGE TUBE: These PYREX borosilicate glass tubes are convenient lab equipment for centrifugation up to 3,000 RCF and are supplied with screw caps..
REUSABLE TEST TUBE: Offering exceptional clarity, the glass test tubes offer good thermal and chemical resistance, and are ideal scientific culture tubes for biology, chemistry and industrial use..
SCREW CAP: The centrifuge tube is finished with a round bottom and a threaded phenolic cap with durable white rubber liner, giving a secure seal..
EASY TO CLEAN: The reusable glass tube with cap is easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal lab glassware for busy environments..
PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years..

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 30 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..
STAINLESS STEEL CLAMP - The included stainless steel clamp will keep your filter securely in place so you can pack your tube with material and no worry about the filter coming loose. [ DO NOT OVER TIGHTEN CLAMP - IT CAN SHATTER THE TUBE ].
SATISFACTION GUARANTEE - Love your tube or we will buy it back from you - Simple as that..

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 12 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..
STAINLESS STEEL CLAMP - The included stainless steel clamp will keep your filter securely in place so you can pack your tube with material and no worry about the filter coming loose. [ DO NOT OVER TIGHTEN CLAMP - IT CAN SHATTER THE TUBE ].
SATISFACTION GUARANTEE - Love your tube or we will buy it back from you - Simple as that..

COLOR VARIETY: Includes yellow, green, blue, gray, pink, white, teal, black, orange and clear.
MATERIAL: Borosilicate glass with COE of 33.

PRODUCT SPECIFICATIONS: height 8.5in x diameter 2.55 in, Includes Built-In Hygrometer, Round Humidifier, and Dropper, Capacity: holding 4 to 5 cigars-Designed with high borosilicate glass, solid wood sealed lid, hygrometer mounted on top of the lid and a humidifier High borosilicate glass is easy to clean and Washed..
PRODUCT STRUCTURE: composed of high borosilicate glass tube + diving material tote bag + hygrometer + solid wood sealing cover + humidifie..
WONDERFUL GIFT:Gift box + safe packaging Perfect Gift , Any Cigar Lovers,conveniently to carry by small size,keep your cigars fresh when traveling-Great gift for all cigar lovers for Father's Day, Birthday, Anniversary, Retirement, Wedding, Valentine's Day , Christmas, Thanksgiving, New Year and other Holidays.
CIGAR MOISTURIZING ADVICE:observe the hygrometer reading.
load the cigar when the hygrometer reading is between 65~75%.store the humidor in adry space away from direct sunlight or heat..
AFTER-SAES SERVICE: there is any problem or dissatisfaction with the product quality. We support the refund return service.

51 expansion borosilicate glass offers excellent chemical resistance against sodium leaching, a factor common in soda lime glass products.
Tubes are packed in convenient trays for ease of use on bench tops and in drawers.
The 6x50mm size is often referred to as a "Durham tube".
Trays are shrink-wrapped in plastic film, with tubes remaining in constant alignment for protection against in-transit breakage and contamination.
Manufactured from 51 expansion borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class B requirements.

FLAT GLASS TEST TUBE : 12pcs 115ml clear glass test tube with screw aluminum caps..
TUBE CAPACITY: 115ml. TUBE SIZE: 30×180mm/1.18" × 7.08".
TUBE MATERIAL:Made of high quality borosilicate glass.SCREW CAPS MATERIAL:aluminum..
Multi-Purpose: Great for daily use, Halloween, wedding, party decoration as well as lab using and confections for Christmas gifts and scientific themed kids birthday party supplies..
AFTER SALES SERVICE: JODIO is a professional manufacturer of mini glass bottles. It can be seen from the video and pictures that we are tightly packed to ensure that the goods you receive are complete. If the product does not meet your requirements, we will refund the products full amount unconditionally within 30 days..