---
product_id: 109458209
title: "Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder shape, 20PCS)"
brand: "bbtcty"
price: "¥6670"
currency: JPY
in_stock: true
reviews_count: 6
category: "Bbtcty"
url: https://www.desertcart.jp/products/109458209-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm
store_origin: JP
region: Japan
---

# Heat resistant up to 250°C Strong magnetic force Operates down to -196°C Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder shape, 20PCS)

**Brand:** bbtcty
**Price:** ¥6670
**Availability:** ✅ In Stock

## Summary

> 🧪 Stir Smarter, Not Harder: The Ultimate Magnetic Mixer Upgrade

## 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?** ¥6670 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/109458209-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 Warrior:** Resistant to acids, alkalis, solvents—ideal for any lab or creative mix
- • **Bulk Pack, Bulk Value:** 20 pristine, individually packed stir bars—ready to elevate your workflow
- • **Non-Stick & Non-Toxic:** PTFE surface ensures zero adhesion and safe, inert use even in sensitive environments
- • **Precision Perfect Cylinders:** Consistent 3x5mm size for flawless stirring every time
- • **Unmatched Thermal Resilience:** Withstands extreme temps from -196°C to 250°C without losing integrity

## Overview

This set of 20 PTFE cylindrical magnetic stir bars (3x5mm) offers exceptional durability and precision. Engineered with strong magnets and chemically inert PTFE, they resist extreme temperatures (-196°C to 250°C) and harsh solvents, ensuring reliable, non-toxic stirring for professional labs and creative pros alike.

## Description

1.Size:3mmx5mm (Diameter * 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 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, there is B06B plastic in the best aging life 10.Non-toxic: with physiological inertia, as artificial blood vessels and organs long-term implanted in vivo no adverse reactions

Review: 👍 - Perfect
Review: Fáciles de limpiar - Buen material, excelentes para tubos chicos, fáciles de limpiar

## Features

- Size:3mmx5mm (Diameter * length) ; Quantity: 20pcs
- Material : PTFE (Polytetrafluoroethylene), Shape:Cylinder shape ;
- 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 |
| Brand | BBTCTY |
| Colour | pure white |
| Customer Reviews | 4.6 out of 5 stars 37 Reviews |
| Item Dimensions L x W x Thickness | 5L x 3W x 3Th millimetres |
| Item Shape | Cylindrical |
| Item Thickness | 3 Millimetres |
| Item thickness | 3 Millimetres |
| Manufacturer | BBTC |
| Manufacturer Part Number | PTFE -Stir |
| Material | PTFE_(Polytetrafluoroethylene), PC_(Polycarbonate), PE_(Polyethylene), PLA_(Polylactic_Acid), Plastic Material PTFE_(Polytetrafluoroethylene), PC_(Polycarbonate), PE_(Polyethylene), PLA_(Polylactic_Acid), Plastic See more |
| Material Type | PTFE_(Polytetrafluoroethylene), PC_(Polycarbonate), PE_(Polyethylene), PLA_(Polylactic_Acid), Plastic |
| Model Number | PTFE -Stir |
| Number of Items | 20 |
| Number of Pieces | 20 |
| Product dimensions | 5L x 3W x 3Th millimetres |
| Shape | Cylindrical |
| UPC | 723740420043 |

## Product Details

- **Material:** PTFE_(Polytetrafluoroethylene), PC_(Polycarbonate), PE_(Polyethylene), PLA_(Polylactic_Acid), Plastic
- **Brand:** BBTCTY
- **Colour:** pure white
- **Shape:** Cylindrical
- **Number of pieces:** 20

## 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)
![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder shape, 20PCS) - Image 2](https://m.media-amazon.com/images/I/813ZOvfOnLL.jpg)
![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder shape, 20PCS) - Image 3](https://m.media-amazon.com/images/I/91GxOPVJDZL.jpg)
![Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder shape, 20PCS) - Image 4](https://m.media-amazon.com/images/I/81aj6WuwhIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 👍
*by A***. on 6 July 2022*

Perfect

### ⭐⭐⭐⭐⭐ Fáciles de limpiar
*by A***A on 2 December 2025*

Buen material, excelentes para tubos chicos, fáciles de limpiar

### ⭐⭐⭐⭐⭐ Agitadores
*by A***L on 31 December 2023*

Llego rápido el producto, muy bueno.

## 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.jp/products/109458209-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm](https://www.desertcart.jp/products/109458209-magnetic-stirrer-stir-bar-ptfe-magnetic-mixer-stir-bars-3x5mm)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-19*