Are these tubes 40ul?

They are standard capillary tubes

Is it the 'receptacle' that has one open end or the tubes themselves that each have an open end? Or is it both??

The tubes themselves have only one open end and the the vial they come in has a hole in the top

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Eisco Borosilicate Glass Melting Point Capillary Tubes, 4", 0.05", 100 Pack | Accurate Melting Point Determination, One Tube Dispensing Lid, Heat & Chemical Resistant Borosilicate, For Chemistry Labs

Product ID: 21374489

📏4" length, 0.05" diameter precision

📦100 tubes per pack, bulk supply

🔥Heat resistant up to 820°C

SAR 58

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Description

🔥 Elevate your lab game with precision and heat resistance!

THERMAL TOUGHNESS - Withstands extreme heat up to 820°C without compromising integrity
PRECISION PERFECTED - Exact 4-inch length and 0.05-inch diameter for flawless melting point tests
BULK READY FOR ACTION - 100-pack ensures you never run out during critical experiments or teaching sessions
STREAMLINED DISPENSING - Innovative lid releases one tube at a time to keep your lab clutter-free
CHEMICAL RESISTANT DURABILITY - Premium borosilicate glass resists harsh chemicals for versatile lab use

Eisco’s Borosilicate Glass Melting Point Capillary Tubes offer professional-grade precision with 4" length and 0.05" diameter, engineered to endure temperatures up to 820°C. Packaged in a convenient dispenser with 100 tubes, these chemically resistant borosilicate tubes are essential for consistent, accurate melting point determination in research and educational labs.

Specifications

ASIN	B017OARJIE
Best Sellers Rank	#65,251 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Capillary Lab Tubes
Brand Name	EISCO
Customer Reviews	4.5 out of 5 stars 29 Reviews
Included Components	Product
Item Dimensions	6 x 4 x 4 inches
Item Weight	22.68 g
Manufacturer	Eisco
Material Type	Borosilicate Glass, Glass
Model Number	CH0882B
Number of Items	1
Part Number	CH0882B
UPC	849230062460

Reviews

W**H

One end sealed capillary tubes.

These are the perfect outer diameter for my melting point device.

11.07.2026

J**T

Great for showing my granddaughter about capillary action.

On time, very good quality. Easy to dispense.

25.02.2026

J**C

Packed well and ready to get just one

These are easy to get out and we can control the dispenser to get just one. They also snap cleanly so it conserves them. I will definitely rebut when we need more.

18.02.2025

J**.

As they're described

Perfect for what I needed!

5.06.2024

S**O

Five Stars

This is an excellent product and at a great price.

7.06.2017

B**R

I ordered three containers of capillary tubes with one closed ...

I ordered three containers of capillary tubes with one closed end. I revived one closed and containers with both ends open. Additional they were mailed in three separate envelopes over about a 5 day period.

2.10.2017

A**S

Nice

Does their job

25.12.2018

D**0

As described.

Does the job. good quality

8.09.2016

C**R

I love these capillary tubes

One end closed. Will order again when needed.

19.06.2019

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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1 month ago

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SAR 58

Duties & taxes included

In stock

Sold byAmazon KSADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to KSA.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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