---
product_id: 146052120
title: "- Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb)"
brand: "alpha nanotech inc."
price: "A$436"
currency: AUD
in_stock: true
reviews_count: 3
url: https://www.desertcart.com.au/products/146052120-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5
store_origin: AU
region: Australia
---

# ±0.05 mm precision 92% light transmittance Softens at 840°C - Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb)

**Brand:** alpha nanotech inc.
**Price:** A$436
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your lab game with precision-engineered borosilicate beads!

## Quick Answers

- **What is this?** - Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb) by alpha nanotech inc.
- **How much does it cost?** A$436 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/146052120-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5)

## Best For

- alpha nanotech inc. enthusiasts

## Why This Product

- Trusted alpha nanotech inc. brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lab-Grade Density:** Optimized 2.2240 g/cm³ density for consistent behavior in scientific experiments
- • **Thermal Toughness:** Withstands extreme heat up to 840°C without warping or damage
- • **Spherical Symmetry:** Highly spherical beads eliminate irregularities for smooth, reliable performance
- • **Precision Perfected:** Ultra-consistent 3 mm beads with ±0.05 mm tolerance for flawless lab results
- • **Crystal Clear Clarity:** 92% visible light transmittance ensures minimal interference in optical applications

## Overview

Alpha Nanotech Borosilicate Solid Glass Beads are 3 mm diameter, high-precision lab-grade beads with ±0.05 mm tolerance, exceptional thermal resistance up to 840°C, and 92% visible light transmittance. Designed for demanding scientific applications, these highly spherical beads offer consistent density and minimal defects, making them ideal for protein extraction, boiling stones, and other laboratory uses.

## Description

Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb): desertcart.com: Industrial & Scientific

Review: Great product! - Works well for protein extraction
Review: Not as uniform or defect-free as claimed in description. - Quality beads, but giving 3 stars because they don’t meet the claims in the description. I put a small handful of the 6mm beads in a flat-bottomed bowl and gently tipped the bowl to roll them around. It didn’t take long to spot a few beads that would stop moving while the rest continued to roll around (not what I would call “high-precision”). Most of the beads appeared to be free of flaws, but I did notice several with cloudy spots or scratches on their surface (not exactly flawless). There was one broken bead in the handful.

## Features

- High Precision Borosilicate Glass Beads (+/- 0.05 mm) Ideal for Various Laboratory Applications;
- Highly Spherical with No Irregular shapes or Defects;
- Coefficient of Linear Thermal Expansion: 3.21x10^-6 K^-1; Softening Temperature: 840 C;
- Visible Light Transmittance: 92%; Density of Borosilicate Glass: 2.2240 g/cm3;

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07MTZ95HT |
| Best Sellers Rank | #541,926 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #34 in Lab Boiling Stones |
| Brand | Alpha Nanotech Inc. |
| Brand Name | Alpha Nanotech Inc. |
| Color | 3 mm, 4 mm, 5 mm, and 6 mm |
| Customer Reviews | 3.7 out of 5 stars 5 Reviews |
| Item Weight | 1.1 Pounds |
| Manufacturer | Alpha Nanotech Inc. |
| Material | Glass |
| Material Type | Glass |
| Wide End Diameter | 3 Millimeters |

## Product Details

- **Material:** Glass
- **Brand:** Alpha Nanotech Inc.
- **Color:** 3 mm, 4 mm, 5 mm, and 6 mm
- **Wide End Diameter:** 3 Millimeters
- **Item Weight:** 1.1 Pounds

## Images

![- Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb) - Image 1](https://m.media-amazon.com/images/I/71danAaZ0YL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product!
*by L***U on July 27, 2021*

Works well for protein extraction

### ⭐⭐⭐ Not as uniform or defect-free as claimed in description.
*by A***T on September 15, 2021*

Quality beads, but giving 3 stars because they don’t meet the claims in the description. I put a small handful of the 6mm beads in a flat-bottomed bowl and gently tipped the bowl to roll them around. It didn’t take long to spot a few beads that would stop moving while the rest continued to roll around (not what I would call “high-precision”). Most of the beads appeared to be free of flaws, but I did notice several with cloudy spots or scratches on their surface (not exactly flawless). There was one broken bead in the handful.

### ⭐⭐⭐⭐⭐ Product
*by C***N on August 11, 2021*

great product, fully satisfied!

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**Shop now:** [https://www.desertcart.com.au/products/146052120-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5](https://www.desertcart.com.au/products/146052120-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-10*