---
product_id: 648811450
title: "ONiLAB Conical Centrifuge Tubes 50mL, 25pcs EO Sterile Polypropylene Leak-Proof Screw Caps with Graduated and Write Marks Lab Test Container,Non-Pyrogenic, DN/RNase Free,18900756"
brand: "onilab"
price: "S$42"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/648811450-onilab-conical-centrifuge-tubes-50ml-25pcs-eo-sterile-polypropylene-leak
store_origin: SG
region: Singapore
---

# Leak-proof screw caps prevent sample loss Max RCF 9,400 for powerful centrifugation Autoclavable at 121℃ & freeze-safe to -80℃ ONiLAB Conical Centrifuge Tubes 50mL, 25pcs EO Sterile Polypropylene Leak-Proof Screw Caps with Graduated and Write Marks Lab Test Container,Non-Pyrogenic, DN/RNase Free,18900756

**Brand:** onilab
**Price:** S$42
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your lab game with leak-proof precision and sterile confidence!

## Quick Answers

- **What is this?** ONiLAB Conical Centrifuge Tubes 50mL, 25pcs EO Sterile Polypropylene Leak-Proof Screw Caps with Graduated and Write Marks Lab Test Container,Non-Pyrogenic, DN/RNase Free,18900756 by onilab
- **How much does it cost?** S$42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/648811450-onilab-conical-centrifuge-tubes-50ml-25pcs-eo-sterile-polypropylene-leak)

## Best For

- onilab enthusiasts

## Why This Product

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

## Key Features

- • **Sterile & Safe:** EO sterilized, DNase/RNase free, and non-pyrogenic to ensure contamination-free results every time.
- • **Leak-Proof Confidence:** Extended length screw caps with smooth inner surfaces guarantee zero sample leakage or residue.
- • **Precision You Can Trust:** Graduated markings with ±2% accuracy and clear 2.5mL increments for flawless measurements.
- • **Write & Record Effortlessly:** Large, chloroform-resistant white writing area for clear, permanent labeling that keeps your workflow seamless.
- • **Durability Meets Convenience:** High-purity polypropylene construction withstands autoclaving and ultra-low freezing without cracking.

## Overview

ONiLAB 50mL Conical Centrifuge Tubes come in a pack of 25, crafted from high-purity polypropylene that tolerates autoclaving at 121℃ and freezing down to -80℃. Featuring EO sterilization, DNase/RNase-free and non-pyrogenic certification, these tubes ensure contamination-free sample handling. Their leak-proof screw caps and easy-to-read graduations with a large writable area make them ideal for precise, reliable lab work or secure sample storage.

## Description

Conical Centrifuge Tubes 50mL, 25pcs EO Sterile Polypropylene Leak-Proof Screw Caps with Graduated and Write Marks Lab Test Container,Non-Pyrogenic, DN/RNase Free,18900756

## Features

- HIGH QUALITY MATERIAL - 50mL Conical Centrifuge Tube with High purity PP Material and Max.RCF: 9,400,it can Autoclavable at 121℃ and freezable to -80℃
- LEAK-PROOF - 50mL centrifuge tubes have longer length screw caps, which is used to prevent sample leakage and it smooth, flat inner surface, no residual solution.
- STERILIZED - Centrifuge tubes 50mL is EO sterilized, non- pyrogenic, DNase/RNase free.
- EASY READ - 50mL centrifuge tubes sterile with easy-to-read black graduations are accurate to ±2%, 2.5mL increments, with a large white marking spot.
- WRITING AREA - 50mL conical tubes With a large unerasable frosting white printed writing area provide easy and legible mark, and both the graduations and writing areas are chloroform-resistant.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ONiLAB |
| Part number | 13900018 |
| Item Weight | 322 g |
| Package Dimensions | 36.7 x 21.31 x 8.79 cm; 322 g |
| Item model number | 13900018 |
| Size | 50ml-25pcs |
| Material | Polypropylene |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![ONiLAB Conical Centrifuge Tubes 50mL, 25pcs EO Sterile Polypropylene Leak-Proof Screw Caps with Graduated and Write Marks Lab Test Container,Non-Pyrogenic, DN/RNase Free,18900756 - Image 1](https://m.media-amazon.com/images/I/71zy38B2f8L.jpg)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-08*