---
product_id: 54183864
title: "Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder Shape, 20PCS)"
brand: "bbtcty"
price: "86.18 DT"
currency: TND
in_stock: true
category: "Bbtcty"
url: https://www.desertcart.tn/products/54183864-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm
store_origin: TN
region: Tunisia
---

# Corrosion & chemical resistant Strong magnetic force Temp resistant -196°C to 250°C Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder Shape, 20PCS)

**Brand:** bbtcty
**Price:** 86.18 DT
**Availability:** ✅ In Stock

## Summary

> 🧲 Stir up perfection with magnetic precision!

## Quick Answers

- **What is this?** Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder Shape, 20PCS) by bbtcty
- **How much does it cost?** 86.18 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/54183864-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm)

## Best For

- bbtcty enthusiasts

## Why This Product

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

## Key Features

- • **Chemical & Weather Proof:** PTFE material resists acids, alkalis, solvents, and outdoor exposure
- • **Non-Toxic & Low Friction:** Safe for sensitive environments with ultra-smooth, no-adhesion surface
- • **Unmatched Magnetic Strength:** Powerful magnets ensure consistent, efficient mixing every time
- • **Extreme Temperature Resilience:** Operates flawlessly from cryogenic lows to high heat (−196°C to 250°C)
- • **Precision Engineered Cylinders:** Perfect 3x5mm size for seamless stirring compatibility

## Overview

This set of 20 PTFE magnetic stir bars (3x5mm, cylindrical) offers professional-grade stirring with strong magnets, extreme temperature tolerance, and superior chemical resistance. Engineered for lab and kitchen use, their non-toxic, low-friction design ensures flawless mixing without residue or degradation, making them a must-have for any serious mixer aiming for consistent, clean results.

## Description

1.Size:3 mm x 5 mm (Diameter x length)2.Shape:Cylinder shape ; Quantity: 20pcs 3.High-quality, Strong Magnetic, New & Clean & Cute 4.High temperature: the use of operating temperature up to 250 ℃ 5.Corrosion resistance: for most chemicals and solvents, showing inert, strong acid and alkali resistance, water and a variety of organic solvents6.High lubrication: the lowest coefficient of friction in solid materials 7. Low temperature resistance: good mechanical toughness, even if the temperature dropped to -196 ℃, can also maintain a 5% elongation8.No adhesion: with the smallest surface tension in the solid material, no adhesion to any substance 9.Weather resistance: long-term exposure to the atmosphere, the surface and performance remain unchanged 10.Non-toxic: with physiological inertia, as artificial blood vessels and organs long-term implanted in vivo no adverse reactions

## Features

- Size:3mmx5mm (Diameter * length) ; Quantity: 20pcs
- Material : PTFE (Polytetrafluoroethylene), Shape:Cylinder shape ;Suitable for various stirrers and beakers
- New & Strong Magnetic, High-quality & Precise sizes
- Good Plastic Bag Packing : Clean & Cute , you're worth it.
- Non-toxic,No adhesion,High /Low temperature resistance,Weather resistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B074FVWH1J |
| Best Sellers Rank | #84,857 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Lab Stirrer Bars |
| Brand Name | BBTCTY |
| Color | 3X5mm,20pcs |
| Customer Reviews | 4.6 4.6 out of 5 stars (194) |
| Included Components | no |
| Item Dimensions L x W x Thickness | 0.2"L x 0.12"W x 0.12"Th |
| Item Thickness | 3 millimeters |
| Manufacturer | BBTCTY |
| Material Type | Plastic |
| Model Number | PTFE -Stir |
| Number of Pieces | 20 |
| Part Number | PTFE -Stir |
| Shape | Cylindrical |
| UPC | 723740420043 |

## Product Details

- **Brand:** BBTCTY
- **Color:** 3X5mm,20pcs
- **Material:** Plastic
- **Product Dimensions:** 0.2"L x 0.12"W x 0.12"Th
- **Shape:** Cylindrical

## Images

![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder Shape, 20PCS) - Image 1](https://m.media-amazon.com/images/I/71DEhFV1vbL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder Shape, 20PCS)
- LABALPHA 6Pcs PTFE Magnetic Stirrer Mixer Stir Bar, Magnetic Stir Bar 10mm/0.39 inch

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**Shop now:** [https://www.desertcart.tn/products/54183864-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm](https://www.desertcart.tn/products/54183864-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-01*