---
product_id: 83627921
title: "Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM)"
brand: "otoolworld"
price: "€ 10.62"
currency: EUR
in_stock: false
reviews_count: 3
url: https://www.desertcart.sk/products/83627921-smelting-lab-graphite-crucible-with-screw-lid-cover-lab-supply
store_origin: SK
region: Slovakia
---

# precise 40x60mm compact size airtight screw lid seal 99.95% ultra-pure graphite Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM)

**Brand:** otoolworld
**Price:** € 10.62
**Availability:** ❌ Out of Stock

## Summary

> 🔬 Smelt smarter, not harder — precision meets protection!

## Quick Answers

- **What is this?** Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM) by otoolworld
- **How much does it cost?** € 10.62 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/83627921-smelting-lab-graphite-crucible-with-screw-lid-cover-lab-supply)

## Best For

- otoolworld enthusiasts

## Why This Product

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

## Key Features

- • **Secure Airtight Screw Lid:** Engineered to prevent leaks and contamination during critical lab work
- • **Compact & Precise Dimensions:** Optimized 30ML capacity with exact 40x60mm sizing for seamless integration
- • **Durable Lab-Grade Construction:** Built to withstand high temperatures and repeated use without compromise
- • **Ultra-Pure Graphite Excellence:** Crafted with 99.95% purity for unmatched smelting precision
- • **Essential for Professional Labs:** Trusted by experts for reliable, consistent smelting results every time

## Overview

The OTOOLWORLD Graphite Crucible offers 99.95% pure graphite construction with a secure screw lid to ensure airtight sealing. Sized at 40x60mm with a 30ML capacity, it delivers precise, contamination-free smelting ideal for professional laboratory applications.

## Description

OTOOLWORLD Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity

Review: Size - Hey bro due you have a larger size
Review: Disintegrated first time I heated it. - disintegrated first time I heated it on a charcoal fire. Possibly 900 F degrees at most. Ruined the job and made a big mess. Didn't leave a recognizable piece to make a picture. Totally worthless product, not as advertised.

## Features

- 99.95% Purity Graphite crucible with Screw lid, Good air tightness, to prevent leakage
- size as photo shows,
- Note : there is a little hand measuring error

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.4 out of 5 stars 18 Reviews |

## Images

![Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM) - Image 1](https://m.media-amazon.com/images/I/61bHy9y4fKL.jpg)
![Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM) - Image 2](https://m.media-amazon.com/images/I/61qFH+mublL.jpg)
![Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM) - Image 3](https://m.media-amazon.com/images/I/61G0QI3Wu+L.jpg)
![Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM) - Image 4](https://m.media-amazon.com/images/I/61j0LSGBuzL.jpg)
![Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM) - Image 5](https://m.media-amazon.com/images/I/61L5ioYaYWL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Size
*by M***D on January 7, 2021*

Hey bro due you have a larger size

### ⭐ Disintegrated first time I heated it.
*by B***S on September 20, 2021*

disintegrated first time I heated it on a charcoal fire. Possibly 900 F degrees at most. Ruined the job and made a big mess. Didn't leave a recognizable piece to make a picture. Totally worthless product, not as advertised.

### ⭐⭐⭐⭐⭐ Impressed
*by D***P on January 31, 2019*

Works, very nearly air tight too if thats important.

## Frequently Bought Together

- OTOOLWORLD Smelting Lab Graphite Crucible with Screw Lid Cover Lab Supply 99.95% Purity (30ML，40x60MM)
- OTOOLWORLD Smelting Lab Graphite Crucible with Cover Lab Supply 40MM X 60MM

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**Shop now:** [https://www.desertcart.sk/products/83627921-smelting-lab-graphite-crucible-with-screw-lid-cover-lab-supply](https://www.desertcart.sk/products/83627921-smelting-lab-graphite-crucible-with-screw-lid-cover-lab-supply)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-08-18*