Machinable Ceramic Sheet Corning 1/4 in X 6 in X 12 in

Description

Product Overview

The Corning MAC2-040612 Machinable Ceramic Sheet is engineered for demanding industrial and scientific environments where dimensional stability, material purity, and machinability are paramount. Constructed from high‑grade alumina ceramic, this sheet measures 1/4 in (0.25 inch) in thickness with a 6 in by 12 in footprint, providing a versatile size that fits a wide range of equipment and tooling setups. The material exhibits a tolerance of +0.015″/‑0.000″ on thickness and is precision‑saw cut on the plus side for length and width, guaranteeing that every piece meets exacting specifications without the need for post‑cut adjustments. Zero porosity eliminates outgassing, making the sheet suitable for vacuum chambers, high‑temperature furnaces, and clean‑room applications where contaminant control is critical. Its machinable nature allows users to drill, mill, and shape the ceramic with standard carbide tools, reducing lead times and eliminating the need for specialized equipment. The sheet’s density of 1.87 pounds per unit provides a solid feel while remaining manageable for handling and installation. Certified by Corning Inc., a leader in advanced materials, the product carries an ASIN of B00I2UCL2A and ranks #25 in the Ceramic Sheets category, reflecting its strong market acceptance among engineers and researchers.

Usage

Designed for a broad spectrum of applications, this machinable ceramic sheet excels in scenarios that demand high thermal conductivity, electrical insulation, and chemical resistance. In aerospace engineering, it serves as a substrate for high‑temperature sensors, heat exchangers, and structural components that must endure rapid temperature cycling without deformation. Electronics manufacturers leverage the sheet for printed circuit board (PCB) prototypes, dielectric layers, and component housings where low dielectric loss and stability are essential. The zero‑porosity characteristic makes it an ideal choice for vacuum environments, such as electron microscopy sample holders, space‑qualified hardware, and semiconductor processing equipment where any outgassing could compromise performance. In the medical field, the sheet is used for biocompatible implants, surgical instrument components, and diagnostic device housings that require sterilization resistance. Its machinability enables custom tooling for research laboratories, allowing scientists to fabricate bespoke fixtures, reaction chambers, and test rigs with precise tolerances. The sheet’s durability also supports wear‑resistant surfaces in abrasive environments, such as grinding wheels, cutting tools, and protective liners for industrial machinery.

Why Choose Us

Choosing the Corning Machinable Ceramic Sheet means partnering with a brand renowned for material science excellence and a commitment to quality that spans decades. Corning’s rigorous manufacturing processes ensure each sheet meets strict industry standards for dimensional accuracy, surface finish, and material consistency, providing confidence that your projects will perform reliably from prototype to production. The sheet’s zero‑porosity formulation eliminates the risk of contaminant release, a critical factor for applications in cleanrooms, vacuum chambers, and high‑purity chemical processes. Our product is backed by comprehensive technical support, including detailed machining guidelines, material data sheets, and responsive engineering assistance to help you optimize cutting parameters and achieve the best results. We also offer flexible order quantities and rapid fulfillment, enabling you to scale production without delay. With a proven track record in aerospace, electronics, medical, and research sectors, Corning’s ceramic sheets have been trusted by leading innovators worldwide. Our commitment to sustainability ensures that the material is produced with minimal environmental impact, aligning with corporate responsibility goals while delivering superior performance.

Key Features

• Zero‑porosity composition prevents outgassing, ensuring reliability in vacuum and high‑temperature environments.
• Precision‑cut dimensions with tight tolerances provide ready‑to‑use sheets, reducing preparation time.
• Highly machinable ceramic allows drilling, milling, and shaping with standard carbide tools.
• Exceptional chemical and thermal resistance makes it suitable for harsh industrial applications.
• Dedicated technical support and detailed documentation help you achieve optimal machining results.

FAQ

What machining tools are recommended for this ceramic sheet?

Standard carbide drills and end mills work well with the MAC2‑040612 sheet. Use coolant to reduce heat buildup, and select tool geometries that minimize chipping. For best results, start with lower spindle speeds and increase gradually while monitoring surface finish.

Can the sheet be used in vacuum chambers without outgassing?

Yes. The zero‑porosity formulation eliminates internal voids that could release gases under vacuum, making the sheet ideal for high‑vacuum applications such as electron microscopy sample holders and space‑qualified hardware.

Is post‑firing required after machining?

No post‑firing is necessary. The sheet is supplied in its final, fully sintered state, allowing you to move directly from machining to final assembly, which saves time and reduces processing steps.

What are the typical applications for this ceramic sheet?

Typical uses include aerospace heat exchangers, electronic dielectric substrates, medical device housings, custom laboratory fixtures, and wear‑resistant liners for industrial equipment. Its combination of machinability, stability, and purity makes it a versatile choice across many high‑performance sectors.

How does Corning ensure the quality of each sheet?

Corning employs strict quality control protocols, including dimensional inspection, density measurement, and porosity testing for every batch. Each sheet is traceable to its production lot, and detailed material data sheets are provided to verify compliance with industry standards.