--- product_id: 118389919 title: "Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb)" brand: "alpha nanotech inc." price: "Bs.7441" currency: BOB in_stock: true reviews_count: 3 category: "Alpha Nanotech Inc." url: https://www.desertcart.bo/products/118389919-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5 store_origin: BO region: Bolivia --- # 92% light transmittance ±0.05 mm precision 3.21x10^-6 K^-1 thermal expansion Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb) **Brand:** alpha nanotech inc. **Price:** Bs.7441 **Availability:** ✅ In Stock ## Summary > 🔬 Elevate your lab game with precision-engineered borosilicate brilliance! ## 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?** Bs.7441 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/118389919-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 - • **Precision Perfected:** Ultra-accurate 4 mm beads with ±0.05 mm tolerance for flawless lab results - • **Crystal Clear Quality:** Polished, highly spherical beads boasting 92% visible light transmittance for superior clarity - • **Flawless Surface Finish:** Scratch- and spot-free beads ensure consistent performance and reliability - • **Versatile Lab Essential:** Perfect for protein extraction, mixing, and precision scientific applications - • **Thermal Stability Mastery:** Withstands up to 840°C with minimal expansion—ideal for high-temp experiments ## Overview Alpha Nanotech’s 4 mm borosilicate glass beads deliver high-precision spherical particles with ±0.05 mm tolerance, exceptional thermal resistance up to 840°C, and 92% visible light transmittance. Designed for demanding laboratory applications, these polished, defect-free beads ensure consistent performance in protein extraction and other scientific processes. ## 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 | #239,645 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #48 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 | | Number of Items | 1 | | Part Number | BORO190711XX | | Wide End Diameter | 3 millimeters | ## Product Details - **Brand:** Alpha Nanotech Inc. - **Color:** 3 mm, 4 mm, 5 mm, and 6 mm - **Manufacturer:** Alpha Nanotech Inc. - **Material:** Glass - **Number of Items:** 1 ## 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) ![Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb) - Image 2](https://m.media-amazon.com/images/I/71vfvqPRouL.jpg) ![Alpha Nanotech Borosilicate Solid Glass Beads (3 mm, 0.5 kg / 1.1 lb) - Image 3](https://m.media-amazon.com/images/I/71dVnevcumL.jpg) ## Available Options This product comes in different **Size** options. ## 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! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.bo/products/118389919-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5](https://www.desertcart.bo/products/118389919-alpha-nanotech-borosilicate-solid-glass-beads-3-mm-0-5) --- *Product available on Desertcart Bolivia* *Store origin: BO* *Last updated: 2026-09-27*