---
product_id: 130735273
title: "50ml Plastic Centrifuge Tubes with Screw Cap, CertBuy 50 Pack Self-Standing Plastic 50ml Test Tube Polypropylene Conical Tubes with Cap, Graduated Marks"
brand: "certbuy"
price: "€ 110.44"
currency: EUR
in_stock: true
reviews_count: 10
category: "Cert Buy"
url: https://www.desertcart.com.cy/products/130735273-50ml-plastic-centrifuge-tubes-with-screw-cap-certbuy-50-pack
store_origin: CY
region: Cyprus
---

# Graduated marks every 2.5-5ml for precise measurement 50ml capacity for versatile sample sizes Low-temp resistant for long-term freezing 50ml Plastic Centrifuge Tubes with Screw Cap, CertBuy 50 Pack Self-Standing Plastic 50ml Test Tube Polypropylene Conical Tubes with Cap, Graduated Marks

**Brand:** certbuy
**Price:** € 110.44
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your sample game with precision and durability that professionals trust!

## Quick Answers

- **What is this?** 50ml Plastic Centrifuge Tubes with Screw Cap, CertBuy 50 Pack Self-Standing Plastic 50ml Test Tube Polypropylene Conical Tubes with Cap, Graduated Marks by certbuy
- **How much does it cost?** € 110.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/130735273-50ml-plastic-centrifuge-tubes-with-screw-cap-certbuy-50-pack)

## Best For

- certbuy enthusiasts

## Why This Product

- Trusted certbuy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Versatile:** Made from premium polypropylene, these tubes withstand freezing temperatures and rough handling.
- • **Multipurpose Mastery:** Ideal for powders, seeds, pills, and liquids—perfect for lab, industrial, or creative uses.
- • **Self-Standing Design:** Conical bottom with flat base allows stable, hands-free operation and easy storage.
- • **Leak-Proof Confidence:** Snap-on blue HDPE screw caps provide a secure seal, eliminating spills and contamination.
- • **Precision in Every Drop:** Graduated markings in 2.5ml increments ensure lab-grade accuracy for your samples.

## Overview

The CertBuy 50 Pack 50ml polypropylene centrifuge tubes feature a self-standing conical design with clear graduated markings every 2.5 to 5ml. Equipped with leak-resistant blue HDPE screw caps, these tubes are built for secure sample storage, including low-temperature freezing. Measuring 25mm in diameter and 114mm in length, they are ideal for handling solids, powders, and liquids in laboratory or industrial settings.

## Description

CertBuy 50 Pack Flat Screw Cap Premium Quality Conical Centrifuge Tubes, 50 mL Self-Standing Tubes Plastic Frozen Test Tubes Vial Seal Cap ContainerFeatures: Free-standing conical design. Highly visible white volume graduations. Low temperature, long - term freezing. Snap cap design,not easy to leak. Ideal for sample handling and storage. Features molded graduations in 2.5mL increments from 5 to 10mL and 5mL increments from 10 to 50mL. Supplied with blue HDPE (high density polyethylene) plug-seal srew caps.Specification: Diameter Outside: 25mm / 1.0inch Length: 114mm/4.5inch Closure Color: Blue Capacity: 50ml / 1.69 oz. Material: PP (Polypropylene) Shape: Freestanding with conical bottom Type: Centrifuge Tube

Review: Well built - Outstanding little bottle. We use them for small machine screws and things like that. They hold up well.
Review: Useful fo so many different things. - I am using these in a rather strange way. So I have a bunch of disposable ice gel packs that came with my medication. I didn't want to throw them away and reusing them wasn't idea since they ripped so easily. I wanted to reuse them. I wanted something small and durable that wouldn't break as easily to fill with ice gel. I tested out 20 vials and put them in my cooler and so far so good. Unlike typical ice gel packs, these are small and fill up crevices of my cooler pretty well.

## Features

- Material: PP ( Polypropylene )
- Capacity: 50 ML, Graduated every 5ml and 2.5ml
- Dimension: 1.0 x 4.5inch / 25 x 114mm(DxL)
- Package Included: 50pcs 50ml Plastic Tubes
- Apply to loading solid, powder, seeds, pills, granular objects etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RS8VL7R |
| Best Sellers Rank | #25,097 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in High-Speed Centrifuge Lab Tubes |
| Date First Available | May 9, 2019 |
| Item Weight | 1.68 pounds |
| Manufacturer | CBTONE |
| Package Dimensions | 10.98 x 8.11 x 5.79 inches |

## Images

![50ml Plastic Centrifuge Tubes with Screw Cap, CertBuy 50 Pack Self-Standing Plastic 50ml Test Tube Polypropylene Conical Tubes with Cap, Graduated Marks - Image 1](https://m.media-amazon.com/images/I/61dT2POzYaL.jpg)

## Questions & Answers

**Q: are these tubes leak proof when filled with liquids?**
A: They're screw cap and pretty leak proof. I used them to collect 50 water samples locally, kept them in ziplocs with their respective collection survey, and nothing spilled.

**Q: How accurate is the graduation of these tubes?**
A: Maybe the supplier has specs, but I suspect the precision is one of several more appropriate questions. It's not advertised as measuring liquids for quantitative analysis, just "solid, powder, seeds, pills, granular objects" but the volume is given to 1/10th of a milliliter. Being precise about the volume of a seed seems like an oxymoron, whereas powders are not. It will be interesting what answers you get!

**Q: Is the tube and cap pp5? I'm wondering if both can withstand an autoclave.**
A: The description states the blue cap is HDPE and not PP.  HDPE will not withstand the heat in an autoclave.

**Q: Is there a tube rack on amazon available for these tubes?**
A: No specific idea, sorry, but rack is mentioned a lot on the product page. They do stand upright on their own.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well built
*by C***. on October 13, 2025*

Outstanding little bottle. We use them for small machine screws and things like that. They hold up well.

### ⭐⭐⭐⭐⭐ Useful fo so many different things.
*by D***M on June 6, 2021*

I am using these in a rather strange way. So I have a bunch of disposable ice gel packs that came with my medication. I didn't want to throw them away and reusing them wasn't idea since they ripped so easily. I wanted to reuse them. I wanted something small and durable that wouldn't break as easily to fill with ice gel. I tested out 20 vials and put them in my cooler and so far so good. Unlike typical ice gel packs, these are small and fill up crevices of my cooler pretty well.

### ⭐⭐⭐⭐⭐ Great way to store coffee beans
*by A***R on September 4, 2025*

Great cost effective way to store coffee beans. I have used the for a few months now without any negative issues. Stores between 15-18g of beans depending on the bean. I have airtight canister and fill it with pre measured doses so I can just grind and make without lots of measuring.

## Frequently Bought Together

- 50ml Plastic Centrifuge Tubes with Screw Cap, CertBuy 50 Pack Self-Standing Plastic 50ml Test Tube Polypropylene Conical Tubes with Cap, Graduated Marks
- SimPure Centrifuge Tubes 15mL, Conical Tubes Sterile 50 PCS, Polypropylene, Leak-Proof Screw Caps, Plastic Container with Graduated and Write Marks, Non-pyrogenic, DNase/RNase Free, Human DNA-Free
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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-06*