---
product_id: 124786784
title: "Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS)"
brand: "bbtcty"
price: "₨14635"
currency: LKR
in_stock: true
reviews_count: 8
url: https://www.desertcart.lk/products/124786784-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-7x40mm
store_origin: LK
region: Sri Lanka
---

# 7mm x 40mm 10 pcs High/Low temp resistance Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS)

**Brand:** bbtcty
**Price:** ₨14635
**Availability:** ✅ In Stock

## Summary

> Mix it up! 🎉 Elevate your lab game with precision.

## Quick Answers

- **What is this?** Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS) by bbtcty
- **How much does it cost?** ₨14635 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/124786784-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-7x40mm)

## 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

- • **Effortless Cleanup:** Packaged in a clean, cute bag for easy storage.
- • **Durable PTFE Material:** Non-toxic and weather-resistant for long-lasting use.
- • **Precision Engineering:** Crafted with exact dimensions for optimal mixing.
- • **Versatile Compatibility:** Perfectly fits various stirrers and beakers.
- • **Strong Magnetic Performance:** New and improved magnets ensure reliable stirring.

## Overview

This set of 10 PTFE magnetic stir bars, measuring 7mm in diameter and 40mm in length, is designed for high-performance mixing in various laboratory settings. Made from durable, non-toxic materials, these stir bars offer excellent temperature and weather resistance, ensuring they meet the demands of any experiment.

## Description

1.Size:7 mm x 40 mm (Diameter * length) ; 2.Shape:Cylinder shape ; Quantity: 10pcs 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 solvents 6.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% elongation 8.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:7mmx40mm (Diameter * length) ; Quantity: 10pcs
- 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

## Product Details

- **Material:** Plastic
- **Brand:** BBTCTY
- **Color:** 7X40mm,10pcs
- **Shape:** Cylindrical
- **Item Thickness:** 7 Millimeters

## Images

![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS) - Image 1](https://m.media-amazon.com/images/I/81AaTnHgNRL.jpg)
![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS) - Image 2](https://m.media-amazon.com/images/I/91ae58WSjOL.jpg)
![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS) - Image 3](https://m.media-amazon.com/images/I/91-GG+S56LL.jpg)
![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS) - Image 4](https://m.media-amazon.com/images/I/A17WoNaFiFL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Small but effective
*by E***9 on February 24, 2021*

They look small but do the job great for a 500ml liquid culture

### ⭐⭐⭐⭐⭐ Perfect size for 27mm wide bottles
*by G***A on November 3, 2022*

Fits 27mm perfectly. Will buy others to fit my other needs.

### ⭐⭐⭐⭐⭐ Work well
*by B***. on July 23, 2020*

I love these little stirrer magnets. Even though they are not that big, they work well in my liquid culture jars.

## Frequently Bought Together

- Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (7X40mm, Cylinder Shape, 10PCS)
- LABALPHA 6Pcs PTFE Magnetic Stirrer Mixer Stir Bar, Magnetic Stir Bar 30mm/1.18 inch
- Magnetic Stirrer Stir Bar Big 2.8 inch Length PTFE Magnetic Mixer Stir Bars,1 Piece

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**Shop now:** [https://www.desertcart.lk/products/124786784-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-7x40mm](https://www.desertcart.lk/products/124786784-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-7x40mm)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-02*