---
product_id: 91063100
title: "65539 High-Alumina Cylindrical Crucible, 100mL Capacity, 39mm OD, 91mm Height"
brand: "coorstek"
price: "₨41830"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/91063100-65539-high-alumina-cylindrical-crucible-100ml-capacity-39mm-od-91mm
store_origin: LK
region: Sri Lanka
---

# 99.8% pure alumina for extreme heat Inert in hydrogen & carbon atmospheres High resistance to alkalies & fluxes 65539 High-Alumina Cylindrical Crucible, 100mL Capacity, 39mm OD, 91mm Height

**Brand:** coorstek
**Price:** ₨41830
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your lab game with crucible-grade precision!

## Quick Answers

- **What is this?** 65539 High-Alumina Cylindrical Crucible, 100mL Capacity, 39mm OD, 91mm Height by coorstek
- **How much does it cost?** ₨41830 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/91063100-65539-high-alumina-cylindrical-crucible-100ml-capacity-39mm-od-91mm)

## Best For

- coorstek enthusiasts

## Why This Product

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

## Key Features

- • **Chemical Inertness Guaranteed:** Inert in hydrogen and carbonaceous atmospheres, ensuring contamination-free results every time.
- • **Ultra-Pure Alumina Composition:** Crafted from 99.8% pure aluminum oxide for unmatched chemical stability and durability.
- • **Versatile High-Temperature Use:** Perfect for glass melting and refractory metal work under both oxidizing and reducing atmospheres.
- • **Precision Size for Lab Efficiency:** 100mL capacity with 39mm OD and 91mm height, optimized for professional laboratory workflows.
- • **Robust Resistance to Corrosive Agents:** Withstands alkalies and fluxes, extending crucible lifespan in demanding lab environments.

## Overview

The 65539 High-Alumina Cylindrical Crucible is a premium 99.8% pure aluminum oxide labware designed for high-temperature, contamination-free applications. Resistant to chemical attack and inert in harsh atmospheres, it excels in glass melting and refractory metal processing, making it an essential tool for chemists and metallurgists demanding reliability and precision.

## Description

This CoorsTek AD-998 High-Alumina labware cylindrical crucible is made of 99.8%-pure aluminum oxide. It is highly resistant to chemical attack. This alumina-ceramic ware is especially useful to chemists, metallurgists, and others involved in high-temperature work demanding contamination-free results. AD-998 ware is highly refractory, meant for use in reducing and oxidizing atmospheres. It is inert in hydrogen and carbonaceous atmospheres and offers high resistance to alkalies and other fluxes. It is suitable for glass melting, including borosilicate glass. Recommended for use with refractory metals such as molybdenum, platinum, rhodium, tungsten, tantalum and iridium. High-Alumina Labware temperature change rate should not exceed 150º C/hour.

## Features

- Suitable for glass melting, including borosilicate glass
- Alumina crucibles are inert in hydrogen and carbonaceous atmospheres and offers high resistance to alkalies and other fluxes
- Country of Origin: UNITED STATES
- Item Package weight : 2.2 pounds

## Images

![65539 High-Alumina Cylindrical Crucible, 100mL Capacity, 39mm OD, 91mm Height - Image 1](https://m.media-amazon.com/images/I/413LeiANeSL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.lk/products/91063100-65539-high-alumina-cylindrical-crucible-100ml-capacity-39mm-od-91mm](https://www.desertcart.lk/products/91063100-65539-high-alumina-cylindrical-crucible-100ml-capacity-39mm-od-91mm)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-30*